On Tue, Sep 25, 2012 at 12:54 AM, Peter Zijlstra a.p.zijls...@chello.nl wrote:
On Mon, 2012-09-24 at 09:33 -0700, Linus Torvalds wrote:
Sure, the scan bits bitops will return = nr_cpu_ids for the I
couldn't find a bit thing, but that doesn't mean that everything else
should.
Fair enough..
tree.
v4: Ported to latest tree. Minor changes for review feedback. Updated
description.
v5: Remove unnecessary prototypes to fix merge error (Hillf Danton)
v6: Rebased. Fix some unlikely error paths (Hillf Danton)
Acked-by: Rik van Riel r...@redhat.com
Acked-by: KAMEZAWA Hiroyuki kamezawa.hir
Hi Andi,
On Fri, Oct 12, 2012 at 7:53 AM, Andi Kleen a...@firstfloor.org wrote:
diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h
index 2251648..c626a2a 100644
--- a/include/linux/hugetlb.h
+++ b/include/linux/hugetlb.h
@@ -183,7 +183,13 @@ extern const struct file_operations
Hi Alexander,
On Fri, Oct 12, 2012 at 4:34 AM, Alexander Duyck
alexander.h.du...@intel.com wrote:
This change replaces all references to the virtual address for io_tlb_end
with references to the physical address io_tlb_end. The main advantage of
replacing the virtual address with a physical
Hi Alex,
On Sat, Oct 13, 2012 at 12:29 AM, Alex Bligh a...@alex.org.uk wrote:
Michael,
--On 12 October 2012 16:58:39 +0200 Michal Hocko mho...@suse.cz wrote:
Once dirty_ratio (resp. dirty_bytes) limit is hit then the process which
writes gets throttled. If this is not the case then there is
On Sun, Oct 14, 2012 at 3:33 AM, Alex Bligh a...@alex.org.uk wrote:
Or perhaps I have the wrong end of the stick.
Never mind a friendly link:)
--
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the body of a message to majord...@vger.kernel.org
More majordomo info at
Hi Andi,
On Sat, Oct 13, 2012 at 11:38 PM, Andi Kleen a...@firstfloor.org wrote:
v2: Port to new tree. Fix unmount.
v3: Ported to latest tree.
v4: Ported to latest tree. Minor changes for review feedback. Updated
description.
v5: Remove unnecessary prototypes to fix merge error (Hillf
Hi Eric,
On Wed, Oct 17, 2012 at 3:14 PM, Eric Dumazet eric.duma...@gmail.com wrote:
From: Eric Dumazet eduma...@google.com
Commit 29c00b4a1d9e27 (rcu: Add event-tracing for RCU callback
invocation) added a regression in rcu_do_batch()
Under stress, RCU is supposed to allow to process all
Hi David,
On Thu, Oct 18, 2012 at 11:41 AM, David Rientjes rient...@google.com wrote:
Commit 38f38657444d (xattr: extract simple_xattr code from tmpfs) moved
some code from tmpfs but introduced a subtle bug along the way.
That commit is fine but you did revert commit b9d6cfdeaf67(xattr: mark
On Sat, Jul 14, 2012 at 4:20 PM, Eric Dumazet eric.duma...@gmail.com wrote:
Might be, or not (could be a NIC bug)
Dunno why sendfile sits in the layer of NIC and
how they interact.
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On Wed, Mar 13, 2013 at 11:44 PM, Borislav Petkov b...@alien8.de wrote:
+ dri-devel.
On Wed, Mar 13, 2013 at 02:34:31PM +0100, Rolf Offermanns wrote:
Hi,
I get a kernel oops / panic with a 3.9.0rc2+ kernel (git from 2h ago) on my
Sony
Vaio laptop. It happened with rc1, too.
[cc Russell]
On Wed, Mar 13, 2013 at 11:04 PM, Mark Jackson mpfj-l...@mimc.co.uk wrote:
Can any help diagnose what my userspace task is doing to get the followings
oops ?
[ 42.587772] Unable to handle kernel paging request at virtual address
bfac6004
[ 42.595431] pgd = cf748000
[
On Sat, Mar 9, 2013 at 10:14 AM, Will Huck will.hu...@gmail.com wrote:
Cc experts. Hugh, Johannes,
On 03/04/2013 08:21 PM, Lenky Gao wrote:
2013/3/4 Zlatko Calusic zlatko.calu...@iskon.hr:
The drop_caches mechanism doesn't free dirty page cache pages. And your
bash
script is creating a
On Thu, Mar 14, 2013 at 9:14 PM, Michal Hocko mho...@suse.cz wrote:
Ouch, this adds a lot of code that is almost same for all archs except
for some. Can we just make one common definition and define only those
that differ, please?
Wonder if he is the guy that added THP for s390, which was a
On Fri, Mar 15, 2013 at 1:50 AM, Kirill A. Shutemov
kirill.shute...@linux.intel.com wrote:
From: Kirill A. Shutemov kirill.shute...@linux.intel.com
There's only one caller of do_generic_file_read() and the only actor is
file_read_actor(). No reason to have a callback parameter.
This cleanup
On Fri, Mar 15, 2013 at 1:50 AM, Kirill A. Shutemov
kirill.shute...@linux.intel.com wrote:
There's only one caller of do_generic_file_read() and the only actor is
file_read_actor(). No reason to have a callback parameter.
This cleanup is not urgent if it nukes no barrier for THP cache.
Hillf
On Fri, Mar 15, 2013 at 1:50 AM, Kirill A. Shutemov
kirill.shute...@linux.intel.com wrote:
Here's the second version of the patchset.
The intend of the work is get code ready to enable transparent huge page
cache for the most simple fs -- ramfs.
Where is your git tree including THP cache?
On Fri, Mar 15, 2013 at 1:50 AM, Kirill A. Shutemov
kirill.shute...@linux.intel.com wrote:
+ page_cache_get(page);
+ spin_lock_irq(mapping-tree_lock);
+ page-mapping = mapping;
+ page-index = offset;
+ error = radix_tree_insert(mapping-page_tree, offset, page);
On Fri, Mar 15, 2013 at 1:50 AM, Kirill A. Shutemov
kirill.shute...@linux.intel.com wrote:
+ if (PageTransHuge(page)) {
+ int i;
+
+ for (i = 0; i HPAGE_CACHE_NR; i++)
+ radix_tree_delete(mapping-page_tree, page-index +
i);
Move the
On Fri, Mar 15, 2013 at 1:50 AM, Kirill A. Shutemov
kirill.shute...@linux.intel.com wrote:
+#ifdef CONFIG_TRANSPARENT_HUGEPAGE
+struct page *grab_cache_huge_page_write_begin(struct address_space *mapping,
+ pgoff_t index, unsigned flags);
+#else
+static inline struct
On Fri, Mar 15, 2013 at 1:50 AM, Kirill A. Shutemov
kirill.shute...@linux.intel.com wrote:
+ if (PageTransTail(page)) {
+ page_cache_release(page);
+ page = find_get_page(mapping,
+ index
On Fri, Mar 15, 2013 at 1:50 AM, Kirill A. Shutemov
kirill.shute...@linux.intel.com wrote:
-int split_huge_page(struct page *page)
+static int split_anon_huge_page(struct page *page)
{
struct anon_vma *anon_vma;
int ret = 1;
-
On Fri, Mar 15, 2013 at 1:50 AM, Kirill A. Shutemov
kirill.shute...@linux.intel.com wrote:
We are not ready to mmap file-backed tranparent huge pages.
It is not on todo list either.
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On Fri, Mar 15, 2013 at 1:50 AM, Kirill A. Shutemov
kirill.shute...@linux.intel.com wrote:
From: Kirill A. Shutemov kirill.shute...@linux.intel.com
Uncharge pages from correct counter.
Signed-off-by: Kirill A. Shutemov kirill.shute...@linux.intel.com
---
mm/huge_memory.c |4 +++-
1
On Fri, Mar 15, 2013 at 1:50 AM, Kirill A. Shutemov
kirill.shute...@linux.intel.com wrote:
From: Kirill A. Shutemov kirill.shute...@linux.intel.com
It's confusing that mk_huge_pmd() has sematics different from mk_pte()
or mk_pmd().
Let's move maybe_pmd_mkwrite() out of mk_huge_pmd() and
On Fri, Mar 15, 2013 at 1:50 AM, Kirill A. Shutemov
kirill.shute...@linux.intel.com wrote:
+#ifdef CONFIG_TRANSPARENT_HUGEPAGE
+static int filemap_huge_fault(struct vm_area_struct *vma, struct vm_fault
*vmf)
+{
+ struct file *file = vma-vm_file;
+ struct address_space *mapping
On Fri, Mar 15, 2013 at 9:23 PM, Kirill A. Shutemov
kirill.shute...@linux.intel.com wrote:
Hillf Danton wrote:
On Fri, Mar 15, 2013 at 1:50 AM, Kirill A. Shutemov
kirill.shute...@linux.intel.com wrote:
+ page_cache_get(page);
+ spin_lock_irq(mapping-tree_lock);
+ page
On Fri, Mar 15, 2013 at 9:24 PM, Kirill A. Shutemov
kirill.shute...@linux.intel.com wrote:
Hillf Danton wrote:
On Fri, Mar 15, 2013 at 1:50 AM, Kirill A. Shutemov
kirill.shute...@linux.intel.com wrote:
+#ifdef CONFIG_TRANSPARENT_HUGEPAGE
+struct page *grab_cache_huge_page_write_begin(struct
On Fri, Mar 15, 2013 at 9:26 PM, Kirill A. Shutemov
kirill.shute...@linux.intel.com wrote:
Hillf Danton wrote:
On Fri, Mar 15, 2013 at 1:50 AM, Kirill A. Shutemov
kirill.shute...@linux.intel.com wrote:
-int split_huge_page(struct page *page)
+static int split_anon_huge_page(struct page
On Fri, Mar 15, 2013 at 9:29 PM, Kirill A. Shutemov
kirill.shute...@linux.intel.com wrote:
Hillf Danton wrote:
On Fri, Mar 15, 2013 at 1:50 AM, Kirill A. Shutemov
kirill.shute...@linux.intel.com wrote:
We are not ready to mmap file-backed tranparent huge pages.
It is not on todo list
On Fri, Mar 15, 2013 at 9:35 PM, Kirill A. Shutemov
kirill.shute...@linux.intel.com wrote:
Hillf Danton wrote:
On Fri, Mar 15, 2013 at 9:24 PM, Kirill A. Shutemov
kirill.shute...@linux.intel.com wrote:
Hillf Danton wrote:
On Fri, Mar 15, 2013 at 1:50 AM, Kirill A. Shutemov
kirill.shute
On Fri, Mar 15, 2013 at 9:50 PM, Kirill A. Shutemov
kirill.shute...@linux.intel.com wrote:
Hillf Danton wrote:
On Fri, Mar 15, 2013 at 9:23 PM, Kirill A. Shutemov
kirill.shute...@linux.intel.com wrote:
Hillf Danton wrote:
On Fri, Mar 15, 2013 at 1:50 AM, Kirill A. Shutemov
kirill.shute
On Fri, Mar 15, 2013 at 1:04 PM, Sasha Levin levinsasha...@gmail.com wrote:
On 03/15/2013 12:03 AM, Sasha Levin wrote:
On 03/07/2013 01:26 AM, Dave Jones wrote:
On Thu, Mar 07, 2013 at 02:02:30PM +0800, Greg Kroah-Hartman wrote:
On Thu, Mar 07, 2013 at 12:28:54AM -0500, Dave Jones wrote:
On Sun, Mar 17, 2013 at 9:04 PM, Mel Gorman mgor...@suse.de wrote:
In the past, kswapd makes a decision on whether to compact memory after the
pgdat was considered balanced. This more or less worked but it is late to
make such a decision and does not fit well now that kswapd makes a decision
On Fri, Mar 8, 2013 at 3:37 AM, Jiri Slaby jsl...@suse.cz wrote:
On 03/01/2013 03:02 PM, Hillf Danton wrote:
On Fri, Mar 1, 2013 at 1:02 AM, Jiri Slaby jsl...@suse.cz wrote:
Ok, no difference, kswap is still crazy. I'm attaching the output of
grep -vw '0' /proc/vmstat if you see something
The local variable, total_scanned, is no longer used, so clean up now.
Signed-off-by: Hillf Danton dhi...@gmail.com
---
--- a/mm/vmscan.c Thu Feb 21 20:01:02 2013
+++ b/mm/vmscan.c Sun Mar 10 12:52:10 2013
@@ -2619,7 +2619,6 @@ static unsigned long balance_pgdat(pg_da
bool
On Thu, Mar 7, 2013 at 5:50 AM, Cliff Wickman c...@sgi.com wrote:
From: Cliff Wickman c...@sgi.com
Allocating a large number of 1GB hugetlbfs pages at boot takes a
very long time.
Large system sites would at times like to allocate a very large amount of
memory as 1GB pages. They would put
On Mon, Mar 11, 2013 at 10:55 AM, Greg KH gre...@linuxfoundation.org wrote:
On Mon, Mar 11, 2013 at 10:17:13AM +0800, Gao feng wrote:
I get the below stack when I execute the shell program
#!/bin/bash
while :;
do
modprobe 8139too
rmmod 8139too
done
I trust it is not the problem of
On 11 March 2013 13:15, Michal Suchanek hramr...@gmail.com wrote:
On 8 February 2013 17:31, Michal Suchanek hramr...@gmail.com wrote:
Hello,
I am dealing with VM disk images and performing something like wiping
free space to prepare image for compressing and storing on server or
copying it to
On Tue, Mar 12, 2013 at 8:24 AM, Michel Lespinasse wal...@google.com wrote:
(Sorry for the late reply)
On Mon, Mar 11, 2013 at 4:03 PM, Andrew Morton a...@linux-foundation.org
wrote:
On Sun, 10 Mar 2013 20:55:21 +0200 Tommi Rantala tt.rant...@gmail.com
wrote:
2012/12/21 Michel Lespinasse
On Tue, Mar 12, 2013 at 2:36 PM, Li Zefan lize...@huawei.com wrote:
Seems a new bug in 3.9 kernel?
Bogus info, perhaps.
[ 207.271924] ==
[ 207.271932] [ INFO: possible circular locking dependency detected ]
[ 207.271942]
[cc Andi]
On Wed, Mar 13, 2013 at 3:08 PM, Wanpeng Li liw...@linux.vnet.ibm.com wrote:
After commit 42d7395f (mm: support more pagesizes for
MAP_HUGETLB/SHM_HUGETLB)
be merged, kernel permit multiple huge page sizes, and when the system
administrator
has configured the system to provide
The comment just above cpu_stop_signal_done() says it is uncertain that
the input @done is valid, and the works enqueued through the function
stop_one_cpu_nowait() do carry no done, thus we have to check if it is
valid when updating work result.
Signed-off-by: Hillf Danton dhi...@gmail.com
As checked with BUG_ON in the case of CPU_UP_PREPARE, we have to dequeue
work first for further actions, then stopper reaches sane and clear state.
Signed-off-by: Hillf Danton dhi...@gmail.com
---
--- a/kernel/stop_machine.c Fri Feb 8 11:22:44 2013
+++ b/kernel/stop_machine.c Fri Feb 8
Hello Fengguang
On Fri, Feb 8, 2013 at 10:06 AM, Fengguang Wu fengguang...@intel.com wrote:
[0.00] Console: colour VGA+ 80x25
[0.00] [ cut here ]
[0.00] WARNING: at /c/kernel-tests/src/linux/kernel/sched/clock.c:219
sched_clock_cpu+0x65/0x140()
Hello Sedat
On Fri, Feb 8, 2013 at 4:46 PM, Sedat Dilek sedat.di...@gmail.com wrote:
On Fri, Feb 8, 2013 at 5:31 AM, Stephen Rothwell s...@canb.auug.org.au
wrote:
With today's Linux-Next I see this warning:
[0.377442] [ cut here ]
[0.377452] WARNING: at
Hello Namhyung
On Fri, Feb 8, 2013 at 4:22 PM, Namhyung Kim namhy...@kernel.org wrote:
On Fri, 8 Feb 2013 11:42:43 +0800, Hillf Danton wrote:
As checked with BUG_ON in the case of CPU_UP_PREPARE, we have to dequeue
work first for further actions, then stopper reaches sane and clear state
On Sat, Feb 9, 2013 at 10:45 AM, Michel Lespinasse wal...@google.com wrote:
+ if (waiter-type != RWSEM_WAITING_FOR_WRITE) {
+ list_del(waiter-list);
+
+ /* Set RWSEM_WAITING_BIAS before waking the last
reader
+
On Sat, Feb 9, 2013 at 3:42 PM, Michel Lespinasse wal...@google.com wrote:
On Fri, Feb 8, 2013 at 11:30 PM, Hillf Danton dhi...@gmail.com wrote:
On Sat, Feb 9, 2013 at 10:45 AM, Michel Lespinasse wal...@google.com wrote:
+ if (waiter-type != RWSEM_WAITING_FOR_WRITE
On Sun, Feb 10, 2013 at 3:08 AM, Tejun Heo t...@kernel.org wrote:
Hello, Hillf.
On Fri, Feb 08, 2013 at 11:39:56AM +0800, Hillf Danton wrote:
The comment just above cpu_stop_signal_done() says it is uncertain that
the input @done is valid, and the works enqueued through the function
of
stop_one_cpu_nowait() - active_load_balance_cpu_stop() - always
returns 0 and thus there's no in-kernel user which triggers this bug.
Fix it by checking whether @done exists before updating @done-ret.
Thanks Tejun for sharing commit message.
Signed-off-by: Hillf Danton dhi...@gmail.com
Reviewed-by: Namhyung
Tejun for sharing commit message, again.
Signed-off-by: Hillf Danton dhi...@gmail.com
Reviewed-by: Namhyung Kim namhy...@kernel.org
Cc: sta...@vger.kernel.org
---
--- a/kernel/stop_machine.c Sun Feb 10 13:00:00 2013
+++ b/kernel/stop_machine.c Sun Feb 10 13:02:18 2013
@@ -334,23 +334,24
To advoid invalid reference, updating work result is moved to
cpu_stop_signal_done().
Signed-off-by: Hillf Danton dhi...@gmail.com
---
--- a/kernel/stop_machine.c Wed Feb 6 19:50:56 2013
+++ b/kernel/stop_machine.c Wed Feb 6 19:54:34 2013
@@ -51,9 +51,11 @@ static void
As handled by the kernel thread, work is dequeued first for further actions.
Signed-off-by: Hillf Danton dhi...@gmail.com
---
--- a/kernel/stop_machine.c Wed Feb 6 19:57:12 2013
+++ b/kernel/stop_machine.c Wed Feb 6 20:02:12 2013
@@ -334,23 +334,24 @@ static int __cpuinit
Ring no bell if the stopper thread is busy in handling enqueued works.
Signed-off-by: Hillf Danton dhi...@gmail.com
---
--- a/kernel/stop_machine.c Wed Feb 6 20:05:44 2013
+++ b/kernel/stop_machine.c Wed Feb 6 20:06:56 2013
@@ -72,8 +72,10 @@ static void cpu_stop_queue_work(struct c
On Thu, Feb 7, 2013 at 7:44 AM, Sasha Levin sasha.le...@oracle.com wrote:
On 02/04/2013 02:17 AM, Michel Lespinasse wrote:
munlock_vma_pages_range() was always incrementing addresses by PAGE_SIZE
at a time. When munlocking THP pages (or the huge zero page), this resulted
in taking the
On Thu, Feb 7, 2013 at 10:29 AM, Tejun Heo t...@kernel.org wrote:
On Wed, Feb 6, 2013 at 6:21 PM, Namhyung Kim namhy...@kernel.org wrote:
Why does this matter? It's inside spinlock. What's being made better
by this change?
IIUC the work should be deleted from the list, otherwise it'd
Hello Tejun
On Thu, Feb 7, 2013 at 2:46 AM, Tejun Heo t...@kernel.org wrote:
@@ -279,8 +281,6 @@ repeat:
preempt_disable();
ret = fn(arg);
- if (ret)
- done-ret = ret;
If this is meant as a pure cleanup, I'm not sure it's an
On Mon, Jan 28, 2013 at 5:24 PM, Kirill A. Shutemov
kirill.shute...@linux.intel.com wrote:
@@ -443,6 +443,7 @@ int add_to_page_cache_locked(struct page *page, struct
address_space *mapping,
pgoff_t offset, gfp_t gfp_mask)
{
int error;
+ int nr = 1;
On Mon, Jan 28, 2013 at 5:24 PM, Kirill A. Shutemov
kirill.shute...@linux.intel.com wrote:
+ page_cache_get(page);
+ spin_lock_irq(mapping-tree_lock);
+ page-mapping = mapping;
+ if (PageTransHuge(page)) {
+ int i;
+ for (i = 0; i
On Mon, Jan 28, 2013 at 5:24 PM, Kirill A. Shutemov
kirill.shute...@linux.intel.com wrote:
+ page_cache_get(page);
+ spin_lock_irq(mapping-tree_lock);
+ page-mapping = mapping;
+ if (PageTransHuge(page)) {
+ int i;
+ for (i = 0; i
On Thu, Jan 31, 2013 at 8:11 PM, Thomas Gleixner t...@linutronix.de wrote:
+/**
+ * __cpuhp_setup_state - Setup the callbacks for an hotplug machine state
+ * @state: The state to setup
+ * @invoke:If true, the startup function is invoked for cpus where
+ * cpu state =
On Fri, Feb 1, 2013 at 2:13 PM, Tao Ma t...@tao.ma wrote:
Hi All,
In our product system, we have several sata disks attached to one
machine. So when one of the disk fails, the jbd2(yes, we use ext4) will
hang forever and we will get something in /var/log/messages like below.
It seems
On Tue, Feb 26, 2013 at 9:54 AM, Sasha Levin sasha.le...@oracle.com wrote:
On 02/25/2013 08:52 PM, KOSAKI Motohiro wrote:
On Mon, Feb 25, 2013 at 8:30 AM, Sasha Levin sasha.le...@oracle.com wrote:
Hi all,
While fuzzing with trinity inside a KVM tools guest running latest -next
kernel,
I've
On Thu, Feb 28, 2013 at 1:26 PM, KOSAKI Motohiro
kosaki.motoh...@jp.fujitsu.com wrote:
Insert new node after updating node in tree.
Thanks. you are right. I could reproduce and verified.
Thank you too;) pleasure to do minor work for you.
btw, how about your belly now? fully recovered?
Hillf
On Fri, Mar 1, 2013 at 1:02 AM, Jiri Slaby jsl...@suse.cz wrote:
Ok, no difference, kswap is still crazy. I'm attaching the output of
grep -vw '0' /proc/vmstat if you see something there.
Thanks to you for test and data.
Lets try to restore the deleted nap, then.
Hillf
--- a/mm/vmscan.c
Hello Aneesh
[with lkml cced]
-#if HPAGE_PMD_ORDER MAX_ORDER
-#error hugepages can't be allocated by the buddy allocator
-#endif
...
- if (!has_transparent_hugepage()) {
+ if (!has_transparent_hugepage() || (HPAGE_PMD_ORDER MAX_ORDER)) {
transparent_hugepage_flags = 0;
-by: Valdis Kletnieks valdis.kletni...@vt.edu
Signed-off-by: Kent Overstreet koverstr...@google.com
---
Acked-by: Hillf Danton dhi...@gmail.com
fs/aio.c | 6 --
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/fs/aio.c b/fs/aio.c
index 62573d3..0d2f39d 100644
--- a/fs/aio.c
+++ b
On Fri, Jan 25, 2013 at 5:43 AM, Kent Overstreet koverstr...@google.com wrote:
The cancellation changes were fubar - we can't cancel a kiocb if it
doesn't actually have a cancellation callback.
The use of xchg() in aio_complete() was right - there we're marking the
kiocb as completed - but we
On Mon, Jan 21, 2013 at 9:24 PM, Valdis Kletnieks
valdis.kletni...@vt.edu wrote:
Am seeing a reproducible BUG in the kernel with next-20130117
whenever I fire up VirtualBox. Unfortunately, I hadn't done that
in a while, so the last 'known good' kernel was next-20121203.
I'm strongly
-by: Chris Metcalf cmetc...@tilera.com
---
Acked-by: Hillf Danton dhi...@gmail.com
mm/hugetlb.c |1 +
mm/migrate.c |4 +++-
2 files changed, 4 insertions(+), 1 deletion(-)
diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index 4f3ea0b..546db81 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
On Wed, Jan 23, 2013 at 5:28 AM, valdis.kletni...@vt.edu wrote:
On Tue, 22 Jan 2013 21:43:27 +0800, Hillf Danton said:
On Mon, Jan 21, 2013 at 9:24 PM, Valdis Kletnieks
valdis.kletni...@vt.edu wrote:
Am seeing a reproducible BUG in the kernel with next-20130117
whenever I fire up
On Sat, Jan 19, 2013 at 3:18 AM, Dave Jones da...@redhat.com wrote:
Since 3.7, we've started seeing reports of this BUG_ON in kernel/smpboot.c
being hit..
121 if (kthread_should_park()) {
122 __set_current_state(TASK_RUNNING);
123
On Mon, Feb 18, 2013 at 2:18 PM, Daniel J Blueman
dan...@numascale-asia.com wrote:
On Monday, 18 February 2013 06:10:02 UTC+8, Jiri Slaby wrote:
Hi,
You still feel the sour taste of the kswapd craziness in v3.7 thread,
right? Welcome to the hell, part two :{.
I believe this started
On Tue, Feb 19, 2013 at 10:28 PM, Ingo Molnar mi...@kernel.org wrote:
+ /* drain remaining works */
+ spin_lock_irqsave(stopper-lock, flags);
+ list_for_each_entry(work, stopper-works, list)
+ cpu_stop_signal_done(work-done, false);
After flushing enqueued
On Thu, Feb 21, 2013 at 6:14 AM, Jiri Slaby jsl...@suse.cz wrote:
Does Ingo's revert help? https://lkml.org/lkml/2013/2/15/168
Not at all...
Then mind taking a try?
--- a/mm/vmscan.c Thu Feb 21 20:01:02 2013
+++ b/mm/vmscan.c Thu Feb 21 20:05:58 2013
@@ -1715,7 +1715,7 @@ static
Hello Naoya
[add Michal in cc list]
On Fri, Feb 22, 2013 at 3:41 AM, Naoya Horiguchi
n-horigu...@ah.jp.nec.com wrote:
+/* Returns true for head pages of in-use hugepages, otherwise returns false.
*/
+int is_hugepage_movable(struct page *hpage)
s/int/bool/ can we?
+{
+ struct page
Hello all
On Mon, Dec 17, 2012 at 7:19 AM, Linus Torvalds
torva...@linux-foundation.org wrote:
On Wed, Dec 12, 2012 at 2:03 AM, Mel Gorman mgor...@suse.de wrote:
This is a pull request for Automatic NUMA Balancing V11. The list
Ok, guys, I've pulled this and pushed out. There were some
Hello Peter
[with Andrea and Mel cced]
On Fri, Feb 22, 2013 at 8:51 PM, Peter Hurley pe...@hurleysoftware.com wrote:
Hi Kirill,
I thought you might be interested in this.
HEAD is now at a49f0d1... Linux 3.8-rc1
peter@thor:~/src/kernels/mainline$ sed = mm/huge_memory.c | sed 'N;s/\n/ /' |
.
Once the interval tree functions are available, using them as a replacement
to the VMA prio tree is a relatively simple, mechanical job.
Signed-off-by: Michel Lespinasse wal...@google.com
Cc: Rik van Riel r...@redhat.com
Cc: Hillf Danton dhi...@gmail.com
Cc: Peter Zijlstra a.p.zijls
On Fri, Jul 27, 2012 at 5:43 AM, Cliff Wickman c...@sgi.com wrote:
From: Cliff Wickman c...@sgi.com
Gentlemen,
I see that you all have done maintenance on mm/hugetlb.c, so I'm hoping one
or two of you could comment on a problem and proposed fix.
I am seeing list corruption occurring from
If swap entry is cleared, we can see the reason that copying pte is
interrupted. If due to page table lock held long enough, no need to
increase swap count.
Signed-off-by: Hillf Danton dhi...@gmail.com
---
--- a/mm/memory.c Fri Jul 27 21:33:32 2012
+++ b/mm/memory.c Fri Jul 27 21:35
On Wed, Jul 25, 2012 at 1:28 AM, Victor Meyerson
calculuspeng...@yahoo.com wrote:
Still different checksums and I used the same random-file from my first test.
Then try the fix at
https://lkml.org/lkml/2012/7/27/54
Good Weekend
Hillf
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On Sat, Jul 28, 2012 at 5:08 PM, RongQing Li roy.qing...@gmail.com wrote:
Any advice
2012/7/2 roy.qing...@gmail.com:
From: RongQing.Li roy.qing...@gmail.com
Now the tc_id is:
(read_c0_tcbind() TCBIND_CURTC_SHIFT) TCBIND_CURTC;
After substitute macro:
(read_c0_tcbind() 21) ((0xff)
On Tue, Jul 31, 2012 at 3:11 AM, Larry Woodman lwood...@redhat.com wrote:
[ 1106.156569] [ cut here ]
[ 1106.161731] kernel BUG at mm/filemap.c:135!
[ 1106.166395] invalid opcode: [#1] SMP
[ 1106.170975] CPU 22
[ 1106.173115] Modules linked in: bridge stp llc
Hi Hugh,
On Tue, Jul 31, 2012 at 10:34 AM, Hugh Dickins hu...@google.com wrote:
But I can see that the lack of reinitialization of entry.val here
does raise doubt and confusion. A better tidyup would be to remove
the initialization of swp_entry_t entry from its onstack declaration,
and do it
.
What if another case of vma_prio_tree_foreach in try_to_unmap_file
is correct?
Using vma_hugecache_offset is not incorrect because the pgoff will fit
into the same vmas but it is confusing so the standard PAGE_SHIFT based
index calculation is used instead.
Cc: Hillf Danton dhi...@gmail.com
On Mon, Aug 13, 2012 at 9:09 PM, Michal Hocko mho...@suse.cz wrote:
On Mon 13-08-12 20:10:41, Hillf Danton wrote:
On Sun, Aug 12, 2012 at 5:31 PM, Michal Hocko mho...@suse.cz wrote:
From d07b88a70ee1dbcc96502c48cde878931e7deb38 Mon Sep 17 00:00:00 2001
From: Michal Hocko mho...@suse.cz
On Mon, Aug 13, 2012 at 9:49 PM, Michal Hocko mho...@suse.cz wrote:
I will leave it as an excersise for the careful reader...
Is it too late for you to prepare a redelivery?
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-by: Hillf Danton dhi...@gmail.com
mm/mmap.c | 45 +
1 file changed, 21 insertions(+), 24 deletions(-)
--- 3.6-rc1/mm/mmap.c 2012-08-03 08:31:27.064842271 -0700
+++ linux/mm/mmap.c 2012-08-13 12:23:35.862895633 -0700
@@ -356,17 +356,14 @@ void
On Tue, Aug 7, 2012 at 3:25 PM, Michel Lespinasse wal...@google.com wrote:
+#define ITSTRUCT struct vm_area_struct
+#define ITSTART(n) ((n)-vm_pgoff)
+#define ITLAST(n) ((n)-vm_pgoff + \
+ (((n)-vm_end - (n)-vm_start) PAGE_SHIFT) - 1)
[...]
@@ -1547,7 +1545,6 @@
On Thu, Aug 16, 2012 at 7:03 AM, Andrew Morton
a...@linux-foundation.org wrote:
Don't be too concerned about the size of a change - it's the end result
which matters. If a larger patch results in a better end result, then
do the larger patch.
Hi Andrew,
This work was triggered by the fact
that one expects index in page units
rather than in huge_page_shift.
Using vma_hugecache_offset is not incorrect because the pgoff will fit
into the same vmas but it is confusing so the standard PAGE_SHIFT based
index calculation is used instead.
Cc: Hillf Danton dhi...@gmail.com
Cc: Mel Gorman m
On Tue, Aug 7, 2012 at 10:08 AM, Hugh Dickins hu...@google.com wrote:
And rarely is its prev search actually required. Whereas there are lots
of users of find_vma(), who want it to be as quick as possible: it should
not be burdened with almost-never-needed extras.
Got, thanks.
I don't know
On Mon, Aug 6, 2012 at 11:54 PM, Michal Hocko mho...@suse.cz wrote:
It's just that page_table_shareable fix the index silently by saddr
PUD_MASK.
Follow no up, and see no wrong in page_table_shareable frankly.
Hillf
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After walking rb tree, if vma is determined, prev vma has to be determined
based on vma; and rb_prev should be considered only if no vma determined.
Signed-off-by: Hillf Danton dhi...@gmail.com
---
--- a/mm/mmap.c Fri Aug 3 07:38:10 2012
+++ b/mm/mmap.c Mon Aug 6 20:10:18 2012
@@ -385,9
On Fri, Aug 10, 2012 at 9:26 AM, Hugh Dickins hu...@google.com wrote:
On Thu, 9 Aug 2012, Hillf Danton wrote:
After walking rb tree, if vma is determined, prev vma has to be determined
based on vma; and rb_prev should be considered only if no vma determined.
Why? Because you think more code
On Fri, Aug 10, 2012 at 5:48 PM, Michal Hocko mho...@suse.cz wrote:
On Fri 03-08-12 15:32:35, Michal Hocko wrote:
On Fri 03-08-12 20:56:45, Hillf Danton wrote:
The computation of page offset index is open coded, and incorrect, to
be used in scanning prio tree, as huge page offset is required
On Fri, Aug 10, 2012 at 4:53 AM, Victor Meyerson
calculuspeng...@yahoo.com wrote:
I tried that patch, although I had to edit a slightly different line as
dio_bio_alloc was near line 392 instead of 349 in the version of
fs/direct-io.c in my tree. I still got different checksums between the
On Fri, Aug 10, 2012 at 8:27 PM, Michal Hocko mho...@suse.cz wrote:
I guess you mean unmap_ref_private and that has been changed by you
(0c176d5 mm: hugetlb: fix pgoff computation when unmapping page from
vma)... I was wrong at that time when giving my Reviewed-by. The patch
didn't break
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