On Mon 18-02-19 14:43:58, Lars Persson wrote:
> On Tue, Feb 5, 2019 at 8:14 AM Jan Stancek wrote:
> > Hi,
> >
> > are you using THP (CONFIG_TRANSPARENT_HUGEPAGE)?
> >
> > The changed line should affect only THP and normal compound pages,
> > so a test with THP disabled might be interesting.
> >
>
On Tue, Feb 5, 2019 at 8:14 AM Jan Stancek wrote:
> Hi,
>
> are you using THP (CONFIG_TRANSPARENT_HUGEPAGE)?
>
> The changed line should affect only THP and normal compound pages,
> so a test with THP disabled might be interesting.
>
> >
> > The breakage consists of random processes dying with SIG
- Original Message -
> On Fri, Nov 30, 2018 at 1:07 PM Jan Stancek wrote:
> >
> > LTP proc01 testcase has been observed to rarely trigger crashes
> > on arm64:
> > page_mapped+0x78/0xb4
> > stable_page_flags+0x27c/0x338
> > kpageflags_read+0xfc/0x164
> > proc_reg_read+0x
On Fri, Nov 30, 2018 at 1:07 PM Jan Stancek wrote:
>
> LTP proc01 testcase has been observed to rarely trigger crashes
> on arm64:
> page_mapped+0x78/0xb4
> stable_page_flags+0x27c/0x338
> kpageflags_read+0xfc/0x164
> proc_reg_read+0x7c/0xb8
> __vfs_read+0x58/0x178
> vfs_re
[ CC'ed Andrew for potential inclusion in -mm ]
On Fri, Nov 30, 2018 at 01:06:57PM +0100, Jan Stancek wrote:
> LTP proc01 testcase has been observed to rarely trigger crashes
> on arm64:
> page_mapped+0x78/0xb4
> stable_page_flags+0x27c/0x338
> kpageflags_read+0xfc/0x164
> proc_reg
On Mon, Dec 03, 2018 at 11:23:58AM +0100, Laszlo Ersek wrote:
> Totally uninformed side-question:
>
> how large can the return value of compound_order() be? MAX_ORDER?
>
> Apparently, MAX_ORDER can be defined as CONFIG_FORCE_MAX_ZONEORDER.
>
> "config FORCE_MAX_ZONEORDER" is listed in a number o
On 11/30/18 13:06, Jan Stancek wrote:
> LTP proc01 testcase has been observed to rarely trigger crashes
> on arm64:
> page_mapped+0x78/0xb4
> stable_page_flags+0x27c/0x338
> kpageflags_read+0xfc/0x164
> proc_reg_read+0x7c/0xb8
> __vfs_read+0x58/0x178
> vfs_read+0x90/0x14c
>
On 30.11.18 13:06, Jan Stancek wrote:
> LTP proc01 testcase has been observed to rarely trigger crashes
> on arm64:
> page_mapped+0x78/0xb4
> stable_page_flags+0x27c/0x338
> kpageflags_read+0xfc/0x164
> proc_reg_read+0x7c/0xb8
> __vfs_read+0x58/0x178
> vfs_read+0x90/0x14c
>
On Fri, Nov 30, 2018 at 01:45:46PM +0100, Michal Hocko wrote:
> On Fri 30-11-18 15:36:51, Kirill A. Shutemov wrote:
> > On Fri, Nov 30, 2018 at 01:18:51PM +0100, Michal Hocko wrote:
> > > On Fri 30-11-18 13:06:57, Jan Stancek wrote:
> > > > LTP proc01 testcase has been observed to rarely trigger cr
On Fri 30-11-18 15:36:51, Kirill A. Shutemov wrote:
> On Fri, Nov 30, 2018 at 01:18:51PM +0100, Michal Hocko wrote:
> > On Fri 30-11-18 13:06:57, Jan Stancek wrote:
> > > LTP proc01 testcase has been observed to rarely trigger crashes
> > > on arm64:
> > > page_mapped+0x78/0xb4
> > > stable
On Fri, Nov 30, 2018 at 01:18:51PM +0100, Michal Hocko wrote:
> On Fri 30-11-18 13:06:57, Jan Stancek wrote:
> > LTP proc01 testcase has been observed to rarely trigger crashes
> > on arm64:
> > page_mapped+0x78/0xb4
> > stable_page_flags+0x27c/0x338
> > kpageflags_read+0xfc/0x164
> >
On Fri 30-11-18 13:06:57, Jan Stancek wrote:
> LTP proc01 testcase has been observed to rarely trigger crashes
> on arm64:
> page_mapped+0x78/0xb4
> stable_page_flags+0x27c/0x338
> kpageflags_read+0xfc/0x164
> proc_reg_read+0x7c/0xb8
> __vfs_read+0x58/0x178
> vfs_read+0x90/0
LTP proc01 testcase has been observed to rarely trigger crashes
on arm64:
page_mapped+0x78/0xb4
stable_page_flags+0x27c/0x338
kpageflags_read+0xfc/0x164
proc_reg_read+0x7c/0xb8
__vfs_read+0x58/0x178
vfs_read+0x90/0x14c
SyS_read+0x60/0xc0
Issue is that page_mapped() assu
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