On Mon, 26 Nov 2012 12:56:07 -0800
Randy Dunlap wrote:
> On 11/26/2012 06:17 AM, Stephen Rothwell wrote:
>
> > Hi all,
> >
> > Changes since 20121115:
> >
>
>
> on i386:
>
> drivers/staging/fwserial/dma_fifo.c: In function 'dma_fifo_in':
> drivers/staging/fwserial/dma_fifo.c:174:2: error: i
On Wed, 14 Nov 2012 19:19:44 +0400
Cyrill Gorcunov wrote:
> This allow us to print out fsnotify details such as
> watchee inode, device, mask and optionally a file handle.
This helps the compiler quite a lot:
--- a/fs/notify/fdinfo.c~fs-notify-add-procfs-fdinfo-helper-v7-fix
+++ a/fs/notify/fdi
On Tue, 27 Nov 2012 18:00:10 +0800
Wen Congyang wrote:
> The patch-set was divided from following thread's patch-set.
> https://lkml.org/lkml/2012/9/5/201
>
> The last version of this patchset:
> https://lkml.org/lkml/2012/11/1/93
As we're now at -rc7 I'd prefer to take a look at all of
On Sat, 24 Nov 2012 20:59:12 +0800
Ming Lei wrote:
> This patchset try to solve one deadlock problem which might be caused
> by memory allocation with block I/O during runtime PM and block device
> error handling path. Traditionly, the problem is addressed by passing
> GFP_NOIO statically to mm,
On Fri, 23 Nov 2012 16:17:37 +0100
Thierry Reding wrote:
> This commit adds an RTC driver for PCF8523 chips by NXP Semiconductors.
> No support is currently provided for the alarm and interrupt functions.
> Only the time and date functionality is implemented.
>
> ...
>
> +static int pcf8523_rtc_
On Tue, 27 Nov 2012 16:05:31 -0500
Naoya Horiguchi wrote:
> When we try to soft-offline a thp tail page, put_page() is called on the
> tail page unthinkingly and VM_BUG_ON is triggered in put_compound_page().
> This patch splits thp before going into the main body of soft-offlining.
>
> The inte
On Fri, 23 Nov 2012 15:41:03 +0530
Ashish Jangam wrote:
> On Tue, 2012-10-23 at 15:33 +0530, Ashish Jangam wrote:
> > Does this patch looks good?
> > On Thu, 2012-10-11 at 16:10 +0530, Ashish Jangam wrote:
> > > This is the RTC patch for the DA9055 PMIC. This patch has got dependency
> > > on
>
On Fri, 23 Nov 2012 01:15:26 +0400
Cyrill Gorcunov wrote:
> Documentation/filesystems/proc.txt | 81
> +
Looks good to me. Here's a small tune-up:
---
a/Documentation/filesystems/proc.txt~docs-add-documentation-about-proc-pid-fdinfo-fd-output-fix
+++ a/D
On Thu, 22 Nov 2012 09:18:34 +0100
Lukas Czerner wrote:
> New wait_event{_interruptible}_lock_irq{_cmd} macros added. This commit
> moves the private wait_event_lock_irq() macro from MD to regular wait
> includes, introduces new macro wait_event_lock_irq_cmd() instead of using
> the old method wi
On Tue, 27 Nov 2012 21:31:10 -0200
Rafael Aquini wrote:
> This patch fixes the following crash by fixing and enhancing the way
> page->flags are tested to identify a ballooned page.
>
> ---8<---
> BUG: unable to handle kernel NULL pointer dereference at 0194
> IP: [] isolate_migrate
On Tue, 27 Nov 2012 22:34:10 -0200 Rafael Aquini wrote:
> Do you want me to resubmit this patch with the changes you suggested?
oh, I think I can reach that far. How's this look?
From: Andrew Morton
Subject:
mm-introduce-a-common-interface-for-balloon-pages-mobilit
On Wed, 28 Nov 2012 10:13:59 +
Mel Gorman wrote:
> Based on the reports I've seen I expect the following to work for 3.7
>
> Keep
> 96710098 mm: revert "mm: vmscan: scale number of pages reclaimed by
> reclaim/compaction based on failures"
> ef6c5be6 fix incorrect NR_FREE_PAGES accounti
On Wed, 28 Nov 2012 02:29:08 -0800
Anton Vorontsov wrote:
> The main characteristics are the same to what I've tried to add to vmevent
> API:
>
> Internally, it uses Mel Gorman's idea of scanned/reclaimed ratio for
> pressure index calculation. But we don't expose the index to the
> userla
On Wed, 28 Nov 2012 20:21:26 +0100
Thierry Reding wrote:
> + err = i2c_transfer(client->adapter, &msg, 1);
> + if (err < 0) {
> + /*
> + * If the time cannot be set, restart the RTC anyway. Note
> + * that errors are ignored if the RTC cannot be start
On Wed, 21 Nov 2012 19:52:41 -0500
Ed Cashin wrote:
> This patch series applies to today's linux-next/akpm, commit
> d3faae60d84f586ff8937b77c8476bca1b5f8ec6.
>
> Ed L. Cashin (8):
> aoe: copy fallback timing information on destination failover
> aoe: remove vestigial request queue allocatio
On Wed, 21 Nov 2012 23:09:46 +0800
Jiang Liu wrote:
> Subject: Re: [RFT PATCH v2 4/5] mm: provide more accurate estimation of pages
> occupied by memmap
How are people to test this? "does it boot"?
> If SPARSEMEM is enabled, it won't build page structures for
> non-existing pages (holes) with
On Wed, 21 Nov 2012 16:31:11 +0200
Andy Shevchenko wrote:
> When build a kernel with "make W=1" we will get a warning about missing
> initializer. It comes from kfifo usage style. The DEFINE_KFIFO macro doesn't
> initialize the buf[] field of the fifo structure. So, using C99 style helps in
> suc
On Wed, 28 Nov 2012 23:54:12 +
Mel Gorman wrote:
> On Wed, Nov 28, 2012 at 02:52:15PM -0800, Andrew Morton wrote:
> > On Wed, 28 Nov 2012 10:13:59 +
> > Mel Gorman wrote:
> >
> > > Based on the reports I've seen I expect the following to work for 3.7
On Wed, 21 Nov 2012 16:31:11 +0200
Andy Shevchenko wrote:
> When build a kernel with "make W=1" we will get a warning about missing
> initializer. It comes from kfifo usage style. The DEFINE_KFIFO macro doesn't
> initialize the buf[] field of the fifo structure. So, using C99 style helps in
> suc
On Thu, 29 Nov 2012 14:08:15 -0800
Joe Perches wrote:
> On Mon, 2012-11-12 at 15:26 -0800, Andrew Morton wrote:
> > On Mon, 12 Nov 2012 14:54:10 -0800
> > Joe Perches wrote:
> >
> > > On Fri, 2012-11-02 at 06:49 -0700, Joe Perches wrote:
> > > > On W
y well established convention that the lseek seek mode
is called "whence".
The below gets most of it. Too anal?
From: Andrew Morton
Subject: lseek: the "whence" argument is called "whence"
But the kernel decided to call it "origin" instead. Fix
On Thu, 29 Nov 2012 14:54:58 +0800
Lin Feng wrote:
> Hi all,
>
> We encounter a "Resource temporarily unavailable" fail while trying
> to offline a memory section in a movable zone. We found that there are
> some pages can't be migrated. The offline operation fails in function
> migrate_page_m
ented behaviour of
synchronize_sched(), it doesn't try to pair synchronize_sched() with
barrier.
Signed-off-by: Oleg Nesterov
Reviewed-by: Paul E. McKenney
Cc: Linus Torvalds
Cc: Mikulas Patocka
Cc: Peter Zijlstra
Cc: Ingo Molnar
Cc: Srikar Dronamraju
Cc: Ananth N Mavinakayanahalli
On Thu, 29 Nov 2012 23:11:37 +
"Kim, Milo" wrote:
> Hi Venu
>
> > > Enabling RTC HW block depends on the default value of TPS65910
> > register.
> > > In some mode, RTC block is disabled by default.(eg. AM3517
> > Craneboard)
> > > In this case, RTC_PWDN(RTC power down) bit should be clea
On Thu, 29 Nov 2012 15:29:15 -0800 (PST)
Hugh Dickins wrote:
> On Thu, 29 Nov 2012, Andrew Morton wrote:
> > On Wed, 28 Nov 2012 17:22:03 -0800 (PST)
> > Hugh Dickins wrote:
> >
> > > +/*
> > > + * llseek SEEK_DATA or SEEK_HOLE through the radix
On Fri, 30 Nov 2012 11:42:05 +0800 Lin Feng wrote:
> hi Andrew,
>
> On 11/30/2012 07:39 AM, Andrew Morton wrote:
> > Tricky.
> >
> > I expect the same problem would occur with pages which are under
> > O_DIRECT I/O. Obviously O_DIRECT pages won't be pin
On Fri, 30 Nov 2012 15:01:26 +0800 Lin Feng wrote:
>
>
> On 11/30/2012 01:57 PM, Andrew Morton wrote:
> > On Fri, 30 Nov 2012 11:42:05 +0800 Lin Feng wrote:
> >
> >> hi Andrew,
> >>
> >> On 11/30/2012 07:39 AM, Andrew Morton wrote:
> >
On Fri, 30 Nov 2012 16:13:16 +0900 Kamezawa Hiroyuki
wrote:
> > What about futexes?
> >
>
> IIUC, futex's key is now a pair of (mm,address) or (inode, pgoff).
> Then, get_user_page() in futex.c will release the page by put_page().
> 'struct page' is just touched by get_futex_key() to obtain pag
On Fri, 30 Nov 2012 18:29:30 +0800 Lin Feng wrote:
> > add a new library function which callers can use before (or after?)
> > calling get_user_pages[_fast]().
> Sorry, I'm not quite understand what "library function" function means..
> Does it means a function aids get_user_pages() or totally wr
On Mon, 18 Mar 2013 10:51:54 +0800 "zhangwei(Jovi)"
wrote:
> +/* Needs a _much_ better name... */
> +#define FIX_SIZE(x) x) - 1) & PAGE_MASK) + PAGE_SIZE)
> +
Gad. That's the same as PAGE_ALIGN(), is it not?
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the
On Sat, 16 Mar 2013 17:54:47 + Al Viro wrote:
> On Sat, Mar 16, 2013 at 06:50:44AM -0700, Joe Perches wrote:
> > Instead of converting the 800 or so uses of seq_printf with
> > a constant format (without a % substitution) to seq_puts,
> > maybe there's another way to slightly speed up these o
On Fri, 15 Mar 2013 17:54:02 +0100 Frederic Weisbecker
wrote:
> Add some initial basic tests on a few posix timers
> interface such as setitimer() and timer_settime().
>
> These simply check that expiration happens in a reasonable
> timeframe after expected elapsed clock time (user time,
> user
On Sat, 16 Mar 2013 21:23:53 +0100 Oleg Nesterov wrote:
> argv_split() allocates argv[count_argc(str)] array and assumes that
> it will find the same number of arguments later. This is obviously
> wrong if this string can be changed, say, by sysctl.
>
> With this patch argv_split() kstrndup's th
On Fri, 15 Mar 2013 13:59:39 +0530 Ashish Jangam
wrote:
> DA9052/53 MFD core handles only virtual irq therefore rtc driver needs
> to be updated to work on virtual irq. Without this update DA9052/53 rtc
> driver will fail during its registration.
> Also getting irq by it name is no longer suppo
On Sat, 16 Mar 2013 13:00:47 +0900 HATAYAMA Daisuke
wrote:
> Currently, read to /proc/vmcore is done by read_oldmem() that uses
> ioremap/iounmap per a single page. For example, if memory is 1GB,
> ioremap/iounmap is called (1GB / 4KB)-times, that is, 262144
> times. This causes big performance
On Sat, 16 Mar 2013 13:01:26 +0900 HATAYAMA Daisuke
wrote:
> The part of dump target memory is copied into the 2nd kernel if it
> doesn't satisfy mmap()'s page-size boundary requirement. To
> distinguish such copied object from usual old memory, a flag
> MEM_TYPE_CURRENT_KERNEL is introduced. If
On Sat, 16 Mar 2013 13:01:32 +0900 HATAYAMA Daisuke
wrote:
> Due to mmap() requirement, we need to copy pages not starting or
> ending with page-size aligned address in 2nd kernel and to map them to
> user-space.
>
> For example, see the map below:
>
> -0001 : reserved
> 00
On Sat, 16 Mar 2013 13:02:29 +0900 HATAYAMA Daisuke
wrote:
> If there's some vmcore object that doesn't satisfy page-size boundary
> requirement, remap_pfn_range() fails to remap it to user-space.
>
> Objects that posisbly don't satisfy the requirement are ELF note
> segments only. The memory c
On Tue, 19 Mar 2013 15:42:04 +0100 Yann Collet wrote:
> Thanks for pointing that out.
> I've been looking into the document pointed by Andrew,
> and here is my understanding :
>
> Signed-off-by is a one-line, so in this case :
>
> Signed-off-by: Yann Collet
>
>
> or
>
> Signed-off-by follo
On Tue, 19 Mar 2013 13:31:18 +0400 Vladimir Davydov
wrote:
> mnt_drop_write() must be called only if mnt_want_write() succeeded,
> otherwise the mnt_writers counter will diverge.
>
> ...
>
> --- a/ipc/mqueue.c
> +++ b/ipc/mqueue.c
> @@ -840,7 +840,8 @@ out_putfd:
> fd = error;
>
On Thu, 14 Mar 2013 16:05:27 -0700 Laura Abbott wrote:
> Hi,
>
> We use genalloc for managing certain pools of physical memory. genalloc
> currently uses unsigned long for virtual addresses and phys_addr_t for
> physical addresses. Our ARM LPAE systems have 64-bit physical addresses
> but uns
On Fri, 15 Mar 2013 17:53:59 +0100 Frederic Weisbecker
wrote:
> The posix cpu timer expiry time is stored in a union of
> two types: a 64 bits field if we rely on scheduler precise
> accounting, or a cputime_t if we rely on jiffies.
>
> This result in quite some duplicate code and special cases
On Tue, 19 Mar 2013 15:49:24 -0700 Laura Abbott wrote:
> On 3/19/2013 2:54 PM, Andrew Morton wrote:
> > On Thu, 14 Mar 2013 16:05:27 -0700 Laura Abbott
> > wrote:
> >
> >> Hi,
> >>
> >> We use genalloc for managing certain pools of physical me
On Wed, 20 Mar 2013 13:41:07 +1030 Rusty Russell wrote:
> Fengguang Wu writes:
> > On Tue, Mar 19, 2013 at 09:10:25AM -0400, Konrad Rzeszutek Wilk wrote:
> >> On Mon, Mar 18, 2013 at 11:50:58PM -0700, Andrew Morton wrote:
> >> > On Tue, 19 Mar 2013 14
On Fri, 15 Mar 2013 18:37:12 +0100 Nicolas Ferre
wrote:
> On some revisions of AT91 SoCs, the RTC IMR register is not working.
> Instead of elaborating a workaround for that specific SoC or IP version,
> we simply use a software variable to store the Interrupt Mask Register and
> modify it for e
On Mon, 18 Mar 2013 06:13:42 + "Hampson, Steven T"
wrote:
> Using mbind to change the mempolicy to MPOL_BIND on several adjacent
> mmapped blocks
> may result in a reset of the mempolicy to MPOL_DEFAULT in vma_adjust.
>
> ...
>
> --- a/mm/mmap.c
> +++ b/mm/mmap.c
> @@ -820,7 +820,7 @@ again
On Mon, 18 Mar 2013 10:56:19 -0500 Russ Anderson wrote:
> When booting on a large memory system, the kernel spends
> considerable time in memmap_init_zone() setting up memory zones.
> Analysis shows significant time spent in __early_pfn_to_nid().
>
> The routine memmap_init_zone() checks each PF
On Mon, 4 Feb 2013 15:51:19 +0100 (CET)
Luk Czerner wrote:
> I hope I explained myself well enough :). Are you ok with this king
> of approach ? If so, I'll resend the patch set without the
> initialisation-at-declaration.
uh, maybe. Next time I'll apply the patch and look at the end result
On Wed, 9 Jan 2013 17:32:32 +0800
Tang Chen wrote:
> +static void __meminit
> +remove_pagetable(unsigned long start, unsigned long end, bool direct)
> +{
> + unsigned long next;
> + pgd_t *pgd;
> + pud_t *pud;
> + bool pgd_changed = false;
> +
> + for (; start < end; start = n
On Mon, 04 Feb 2013 11:27:05 +0100
Marek Szyprowski wrote:
> The total number of low memory pages is determined as
> totalram_pages - totalhigh_pages, so without this patch all CMA
> pageblocks placed in highmem were accounted to low memory.
What are the end-user-visible effects of this bug?
(T
On Fri, 25 Jan 2013 17:42:09 +0800
Tang Chen wrote:
> We now provide an option for users who don't want to specify physical
> memory address in kernel commandline.
>
> /*
> * For movablemem_map=acpi:
> *
> * SRAT:|_| |_| |_| |___
->node_zones + ZONE_MOVABLE;
> +}
A better name would be zone_is_movable(). We haven't been very
consistent about this in mmzone.h, but zone_is_foo() is pretty common.
And a neater implementation would be
return zone_idx(zone) == ZONE_MOVABLE;
All of which made me look
Also...
On Mon, 4 Feb 2013 16:06:24 -0800
Andrew Morton wrote:
> > +put_page:
> > + /* Undo the effects of former get_user_pages(), we won't pin anything */
> > + for (i = 0; i < ret; i++)
> > + put_page(pages[i]);
We can use release_pages() here.
On Tue, 5 Feb 2013 01:51:18 +0100
Frederic Weisbecker wrote:
> printk: Wake up klogd using irq_work
That seems reasonable.
I'm wondering if we can now remove the printk_sched() special-case.
iirc, that was needed because wake_up(klogd) would deadlock when called
from sched internals. B
On Tue, 5 Feb 2013 02:37:54 +0100 Frederic Weisbecker
wrote:
> 2013/2/5 Andrew Morton :
> > On Tue, 5 Feb 2013 01:51:18 +0100
> > Frederic Weisbecker wrote:
> >
> >> printk: Wake up klogd using irq_work
> >
> > That seems reasonable.
>
On Mon, 04 Feb 2013 21:42:02 -0500 Steven Rostedt wrote:
> On Mon, 2013-02-04 at 18:09 -0800, Andrew Morton wrote:
>
> > I don't think so. Conceptually printk() should be "inner" to the
> > scheduler and shouldn't call into sched things at all. The (afa
On Mon, 4 Feb 2013 23:17:10 +0100
Jan Kara wrote:
> A CPU can be caught in console_unlock() for a long time (tens of seconds are
> reported by our customers) when other CPUs are using printk heavily and serial
> console makes printing slow. Despite serial console drivers are calling
> touch_nmi_
ould we update other ones in a separate patch later or just keep the old
> style?
I do think the old names were poorly chosen. Yes, we could fix them up
sometime but it's hardly a pressing issue.
> > And a neater implementation would be
> >
> > return zone_i
On Tue, 05 Feb 2013 13:56:36 +0800
li guang wrote:
> ___ 2013-02-04__ 21:20 -0800___David Rientjes_
> > On Tue, 5 Feb 2013, liguang wrote:
> >
> > > linux/mmzone.h included linux/memory_hotplug.h,
> > > and linux/memory_hotplug.h also included
> > > linux/mmzone.h, so there's a bad c
On Tue, 5 Feb 2013 15:03:39 +0800
Huang Shijie wrote:
> There are many places we should get the offset(in PAGE_SIZE unit) of
> an address within a non-hugetlb vma.
>
> In order to simplify the code, add a new helper __linear_page_index()
> to do the work.
>
Seems nice.
> --- a/include/linux/p
On Tue, 5 Feb 2013 14:26:40 -0500
Johannes Weiner wrote:
> On Wed, Feb 06, 2013 at 01:09:55AM +0800, Zhang Yanfei wrote:
> > Function nr_free_zone_pages, nr_free_buffer_pages and
> > nr_free_pagecache_pages
> > are horribly badly named, they count present_pages - pages_high within zones
> > inst
On Wed, 06 Feb 2013 09:06:05 +0800
Zhang Yanfei wrote:
> So could I rename the functions to the names like
> nr_available_buffer_high_pages
> And accurately document them with code comments just as you suggested.
gee. "available" implies "available for you to allocate". It has the
same problem
On Wed, 06 Feb 2013 09:34:16 +0800 Zhang Yanfei
wrote:
> >
> >
> > hm,
> >
> > static unsigned int nr_free_zone_pages(int offset)
> > {
> > ...
> > unsigned int sum = 0;
> > ...
> > return sum;
> > }
> >
> > How long will it be until these things start exploding from
> > sums
On Wed, 6 Feb 2013 16:49:34 +0100
Gerald Schaefer wrote:
> With commit 8e72033 "thp: make MADV_HUGEPAGE check for mm->def_flags"
> the VM_NOHUGEPAGE flag may be set on s390 in mm->def_flags for certain
> processes, to prevent future thp mappings. This would be overwritten
> by do_mlockall(), whi
On Wed, 06 Feb 2013 20:23:05 +0900
Jonghwa Lee wrote:
> This patch adds rtc driver for Maxim 8997 multifunction chip.
> Max8997 has rtc module in it. and it can be used for timekeeping
> clock and system alarm. It provide various operational mode those are
> BCD/binary, 24/12hour, am/pm. Driver s
On Wed, 06 Feb 2013 20:22:45 +0900
Jonghwa Lee wrote:
> This patch removes repeated execution of disabling alarm in
> rtc_alarm_irq_enable() of rtc core interface. It made useless
> call even all alarm had been disabled from rtc_timer_remove().
> We'd better to skip disabling alarm when timer que
On Wed, 06 Feb 2013 10:20:57 +0800
Tang Chen wrote:
> >>
> >> + if (!strncmp(p, "acpi", max(4, strlen(p
> >> + movablemem_map.acpi = true;
> >
> > Generates a warning:
> >
> > mm/page_alloc.c: In function 'cmdline_parse_movablemem_map':
> > mm/page_alloc.c:5312: warning: comparison
On Wed, 6 Feb 2013 11:39:53 -0800
Tejun Heo wrote:
> idr allocation in blk_alloc_devt() wasn't synchronized against lookup
> and removal, and its limit check was off by one - 1 << MINORBITS is
> the number of minors allowed, not the maximum allowed minor.
>
> Add locking and rename MAX_EXT_DEVT
On Wed, 6 Feb 2013 14:27:55 -0800
Tejun Heo wrote:
> Hello, Andrew.
>
> On Wed, Feb 06, 2013 at 02:24:22PM -0800, Andrew Morton wrote:
> > This gets all tangled up with
> > http://ozlabs.org/~akpm/mmotm/broken-out/block-fix-ext_devt_idr-handling.patch,
> > which appe
On Wed, 30 Jan 2013 21:00:22 -0500
Sasha Levin wrote:
> I'm not sure why, but the hlist for each entry iterators were conceived
> differently from the list ones. While the list ones are nice and elegant:
>
> list_for_each_entry(pos, head, member)
>
> The hlist ones were greedy and wante
On Wed, 06 Feb 2013 19:39:11 -0500
Sasha Levin wrote:
> We're now hitting the VM_BUG_ON() which was added in the last hunk of the
> patch:
hm, why was that added.
Michel, I seem to have confused myself over this series. I saw a
report this morning which led me to drop
mm-accelerate-munlock-tre
On Thu, 07 Feb 2013 10:43:23 +0900 jonghwa3@samsung.com wrote:
> > The best way of handling this sort of thing is for the driver to probe
> > the hardware, work out its capabilities and "do the right thing".
> >
> > The second best way is to require that the user add certain module
> > parame
On Thu, 7 Feb 2013 17:03:19 +1100 Stephen Rothwell
wrote:
> Hi Andrew,
>
> Today's linux-next merge of the akpm-current tree got a conflict in
> arch/x86/kvm/mmu.c between commit 9bb4f6b15ec0 ("KVM: MMU: drop unneeded
> checks") from the kvm tree and commit "hlist: drop the node parameter
> fro
On Wed, 30 Jan 2013 21:00:22 -0500
Sasha Levin wrote:
> I'm not sure why, but the hlist for each entry iterators were conceived
> differently from the list ones. While the list ones are nice and elegant:
>
> list_for_each_entry(pos, head, member)
>
> The hlist ones were greedy and wante
On Thu, 07 Feb 2013 20:01:27 +0900
Jonghwa Lee wrote:
> This patch adds rtc driver for Maxim 8997 multifunction chip.
> Max8997 has rtc module in it. and it can be used for timekeeping
> clock and system alarm. It provide various operational mode those are
> BCD/binary, 24/12hour, am/pm. Driver s
On Thu, 7 Feb 2013 16:57:42 -0500
Josh Boyer wrote:
> Hi All,
>
> We've hit a weird error in Fedora using the 3.8-rcX kernels. It seems
> the mock tool is getting back ENOMEM when doing very simple things that
> normally just work. The 3.7 kernels on the same userspace work just
> fine. It se
On Thu, 7 Feb 2013 07:41:32 +0100
Martin Sustrik wrote:
> When implementing network protocols in user space, one has to implement
> fake user-space file descriptors to represent the sockets for the protocol.
>
> While all the BSD socket API functionality for such descriptors may be faked
> as
On Wed, 06 Feb 2013 22:48:08 +0800
Jeremy Kerr wrote:
> This change adds a few initial efivarfs tests to the
> tools/testing/selftests directory.
>
> The open-unlink test is based on code from
> Lingzhu Xiang .
>
> ...
>
> --- a/tools/testing/selftests/Makefile
> +++ b/tools/testing/selftests/M
On Thu, 07 Feb 2013 09:57:27 +0800
Zhang Yanfei wrote:
> Functions nr_free_zone_pages, nr_free_buffer_pages and nr_free_pagecache_pages
> are horribly badly named, so accurately document them with code comments
> in case of the misuse of them.
Looks OK. I fiddled with it a bit:
---
a/mm/page_
On Tue, 5 Feb 2013 10:12:03 +0100
Lukas Czerner wrote:
> This commit changes truncate_inode_pages_range() so it can handle non
> page aligned regions of the truncate. Currently we can hit BUG_ON when
> the end of the range is not page aligned, but we can handle unaligned
> start of the range.
>
On Sun, 03 Feb 2013 21:13:36 +0800
Zhang Yanfei wrote:
> From: Zhang Yanfei
>
> In function read_vmcore, two if tests are duplicate. Change the position
> of them could reduce the duplication. This change does not affect
> the behaviour of the function.
>
hm, yes.
> --- a/fs/proc/vmcore.c
>
On Fri, 8 Feb 2013 15:49:02 +0100 Jens Axboe wrote:
> > > Signed-off-by: Kent Overstreet
> >
> > What's the status of this series? The percpu-refcnt part is still
> > going through review and the merge window is opening up pretty soon.
> > Kent, Andrew?
>
> I'd feel a lot better deferring the
On Fri, 08 Feb 2013 06:25:39 -0800 ebied...@xmission.com (Eric W. Biederman)
wrote:
> Andrew Morton writes:
>
> > On Sun, 03 Feb 2013 21:13:36 +0800
> > Zhang Yanfei wrote:
> >
> >> From: Zhang Yanfei
> >>
> >> In function read_vmcore, two
On Mon, 11 Feb 2013 20:50:04 +0200
Imre Deak wrote:
> Add an iterator to walk through a scatter list a page at a time starting
> at a specific page offset. As opposed to the mapping iterator this is
What is "the mapping iterator"?
> meant to be small, performing well even in simple loops like c
On Mon, 11 Feb 2013 11:27:01 -0500
Johannes Weiner wrote:
> > Is PG_dirty the right choice? Is that right for huge pages? Should I
> > assume is_migration_entry(entry) means it's not dirty, or is there some
> > other check here?
>
> If your only consequence of finding dirty pages is to sync, w
On Sun, 10 Feb 2013 00:57:57 +0800
Haojian Zhuang wrote:
> do_initcalls() could call all driver initialization code in kernel_init
> thread. It means that probe() function will be also called from that
> time. After this, kernel could access console & release __init section
> in the same thread.
On Fri, 8 Feb 2013 13:00:50 -0800
Tejun Heo wrote:
> Most functions in idr fail to deal with the high bits when the idr
> tree grows to the maximum height.
>
> * idr_get_empty_slot() stops growing idr tree once the depth reaches
> MAX_IDR_LEVEL - 1, which is one depth shallower than necessary
On Fri, 08 Feb 2013 12:13:09 -0800
ebied...@xmission.com (Eric W. Biederman) wrote:
> If mock has called unshare(CLONE_NEWPID). And then forked a process and
> that process exited, and then forked anothe process that second and all
> subsequent fork calls will fail with -ENOMEM (because init has e
On Tue, 12 Feb 2013 09:10:49 -0800
Tejun Heo wrote:
> Hey, Andrew.
>
> On Mon, Feb 11, 2013 at 03:39:55PM -0800, Andrew Morton wrote:
> > This doesn't apply happily to 3.7, so Greg will be needing a redone
> > version when the time arrives.
> >
> > Bu
On Tue, 12 Feb 2013 19:07:20 +0200
Imre Deak wrote:
> > So, exactly how big is this thing, and how do we know it's better this
> > way than if we were to uninline some/all of the helpers?
>
> I admit I only hoped compiler optimization would keep the inlined parts
> at a minimum, but now I actual
On Tue, 12 Feb 2013 19:06:09 +0100
Paolo Bonzini wrote:
> Il 12/02/2013 18:37, Alex Bligh ha scritto:
> > For my education, why remove the FUA stuff?
>
> Because I had no way to test it.
>
> >>> > > Hmmm... the underlying storage could be md/dm RAIDs in which case FUA
> >>> > > should be cheape
On Tue, 12 Feb 2013 17:06:10 +0100
Paolo Bonzini wrote:
> There are two problems with shutdown in the NBD driver. The first is
> that receiving the NBD_DISCONNECT ioctl does not sync the filesystem;
> this is useful because BLKFLSBUF is restricted to processes that have
> CAP_SYS_ADMIN, and the
inst
> power losses. The second properly syncs and cleans the client's page
> cache when an NBD device is disconnected from the server.
>
> The third reports read-only devices properly in sysfs.
>
> Ok for 3.9? I saw the last NBD patches were applied by Andrew Morton,
&g
On Fri, 08 Feb 2013 18:05:52 +0800
Jeremy Kerr wrote:
> > I'll do this for now:
> >
> > ---
> > a/tools/testing/selftests/efivarfs/Makefile~selftests-add-tests-for-efivarfs-fix
> > +++ a/tools/testing/selftests/efivarfs/Makefile
> > @@ -6,7 +6,7 @@ test_objs = open-unlink
> > all: $(test_objs)
On Fri, 08 Feb 2013 10:08:49 +
Matt Fleming wrote:
> On Fri, 2013-02-08 at 18:05 +0800, Jeremy Kerr wrote:
> > However, the tests expose a bug at the moment, so run_tests will fail.
> > Matt will have that fixed soon though :)
>
> In which case, would it make more sense for me to take these
On Fri, 08 Feb 2013 18:02:44 +0800
Jeremy Kerr wrote:
> On 08/02/13 07:13, Andrew Morton wrote:
>
> > The general ruleset for selftests is: do as much as you can if you're not
> > root and don't take too long and don't break the build on any
> > architect
On Tue, 12 Feb 2013 16:11:33 -0800
Tony Luck wrote:
> Building linux-next today (tag next-20130212) I get the following errors when
> building arch/ia64/configs/{tiger_defconfig, zx1_defconfig, bigsur_defconfig,
> sim_defconfig}
>
> arch/ia64/mm/init.c: In function 'free_initrd_mem':
> arch/ia64
On Tue, 12 Feb 2013 16:11:33 -0800
Tony Luck wrote:
> Building linux-next today (tag next-20130212) I get the following errors when
> building arch/ia64/configs/{tiger_defconfig, zx1_defconfig, bigsur_defconfig,
> sim_defconfig}
>
> arch/ia64/mm/init.c: In function 'free_initrd_mem':
> arch/ia64
On Fri, 8 Feb 2013 10:54:37 +0100
Jean Delvare wrote:
> Mark M. Hoffman stopped working on the Linux kernel several years
> ago, so he should no longer be listed as a driver maintainer. I'm not
> even sure if his e-mail address still works.
>
> I can take over 3 drivers he was responsible for, t
On Thu, 4 Apr 2013 17:26:48 +1100 Stephen Rothwell
wrote:
> Hi Andrew,
>
> Today's linux-next merge of the akpm tree got a conflict in
> fs/proc/generic.c between several commits from the vfs tree and commit
> "procfs: improve scaling in proc" from the akpm tree.
>
> I just dropped the akpm tr
1 - 100 of 13394 matches
Mail list logo
