On Thu, Jun 16, 2016 at 07:09:32PM +0900, Minchan Kim wrote:
> On Thu, Jun 16, 2016 at 05:42:11PM +0900, Sergey Senozhatsky wrote:
> > On (06/16/16 15:47), Minchan Kim wrote:
> > > > [..]
> > > > > > this is what I'm getting with the [zsmalloc: keep first object
> > > > > > offset in struct page]
On Thu, Jun 16, 2016 at 05:42:11PM +0900, Sergey Senozhatsky wrote:
> On (06/16/16 15:47), Minchan Kim wrote:
> > > [..]
> > > > > this is what I'm getting with the [zsmalloc: keep first object offset
> > > > > in struct page]
> > > > > applied: "count:0 mapcount:-127". which may be not related
On Thu, Jun 16, 2016 at 02:22:09PM +0900, Sergey Senozhatsky wrote:
> On (06/16/16 13:47), Minchan Kim wrote:
> [..]
> > > this is what I'm getting with the [zsmalloc: keep first object offset in
> > > struct page]
> > > applied: "count:0 mapcount:-127". which may be not related to zsmalloc
> >
On Thu, Jun 16, 2016 at 01:23:43PM +0900, Sergey Senozhatsky wrote:
> On (06/16/16 11:58), Minchan Kim wrote:
> [..]
> > RAX: 2065676162726166 so rax is totally garbage, I think.
> > It means obj_to_head returns garbage because get_first_obj_offset is
> > utter crab because (page_idx /
On Thu, Jun 16, 2016 at 11:48:27AM +0900, Sergey Senozhatsky wrote:
> Hi,
>
> On (06/16/16 08:12), Minchan Kim wrote:
> > > [ 315.146533] kasan: CONFIG_KASAN_INLINE enabled
> > > [ 315.146538] kasan: GPF could be caused by NULL-ptr deref or user
> > > memory access
> > > [ 315.146546] general
Hi Sergey,
On Wed, Jun 15, 2016 at 04:59:09PM +0900, Sergey Senozhatsky wrote:
> Hello Minchan,
>
> -next 4.7.0-rc3-next-20160614
>
>
> [ 315.146533] kasan: CONFIG_KASAN_INLINE enabled
> [ 315.146538] kasan: GPF could be caused by NULL-ptr deref or user memory
> access
> [ 315.146546]
On Wed, Jun 01, 2016 at 02:41:51PM -0700, Andrew Morton wrote:
> On Wed, 1 Jun 2016 08:21:09 +0900 Minchan Kim wrote:
>
> > Recently, I got many reports about perfermance degradation in embedded
> > system(Android mobile phone, webOS TV and so on) and easy fork fail.
> >
> > The problem was
On Wed, Jun 01, 2016 at 02:41:51PM -0700, Andrew Morton wrote:
> On Wed, 1 Jun 2016 08:21:09 +0900 Minchan Kim wrote:
>
> > Recently, I got many reports about perfermance degradation in embedded
> > system(Android mobile phone, webOS TV and so on) and easy fork fail.
> >
> > The problem was
On Wed, 1 Jun 2016 08:21:09 +0900 Minchan Kim wrote:
> Recently, I got many reports about perfermance degradation in embedded
> system(Android mobile phone, webOS TV and so on) and easy fork fail.
>
> The problem was fragmentation caused by zram and GPU driver mainly.
> With memory pressure,
Recently, I got many reports about perfermance degradation in embedded
system(Android mobile phone, webOS TV and so on) and easy fork fail.
The problem was fragmentation caused by zram and GPU driver mainly.
With memory pressure, their pages were spread out all of pageblock and
it cannot be
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