Re: [PATCH v2] mm/ksm: ignore STABLE_FLAG of rmap_item->address in rmap_walk_ksm

On 06/07/2018 11:13 PM, Andrew Morton wrote: On Thu, 24 May 2018 13:38:05 -0700 Andrew Morton wrote: Jia, Andrew, What is the status of this patch ? I have it scheduled for 4.18-rc1, with a cc:stable for backporting. I'd normally put such a fix into 4.17-rcX but I'd like to give Hugh

Re: [PATCH v2] mm/ksm: ignore STABLE_FLAG of rmap_item->address in rmap_walk_ksm

On 06/07/2018 11:13 PM, Andrew Morton wrote: On Thu, 24 May 2018 13:38:05 -0700 Andrew Morton wrote: Jia, Andrew, What is the status of this patch ? I have it scheduled for 4.18-rc1, with a cc:stable for backporting. I'd normally put such a fix into 4.17-rcX but I'd like to give Hugh

Re: [PATCH v2] mm/ksm: ignore STABLE_FLAG of rmap_item->address in rmap_walk_ksm

Hi Andrea Thanks for the review. On 6/8/2018 7:38 AM, Andrea Arcangeli Wrote: > On Thu, Jun 07, 2018 at 03:13:44PM -0700, Andrew Morton wrote: >> This patch is quite urgent and is tagged for -stable backporting, yet >> it remains in an unreviewed state. Any takers? > > It looks a

Re: [PATCH v2] mm/ksm: ignore STABLE_FLAG of rmap_item->address in rmap_walk_ksm

Hi Andrea Thanks for the review. On 6/8/2018 7:38 AM, Andrea Arcangeli Wrote: > On Thu, Jun 07, 2018 at 03:13:44PM -0700, Andrew Morton wrote: >> This patch is quite urgent and is tagged for -stable backporting, yet >> it remains in an unreviewed state. Any takers? > > It looks a

Re: [PATCH v2] mm/ksm: ignore STABLE_FLAG of rmap_item->address in rmap_walk_ksm

Hi Andrew On 6/8/2018 6:13 AM, Andrew Morton Wrote: > On Thu, 24 May 2018 13:38:05 -0700 Andrew Morton > wrote: >>> >>> Jia, Andrew, >>> >>> What is the status of this patch ? >>> >> >> I have it scheduled for 4.18-rc1, with a cc:stable for backporting. >> >> I'd normally put such a fix into

Re: [PATCH v2] mm/ksm: ignore STABLE_FLAG of rmap_item->address in rmap_walk_ksm

Hi Andrew On 6/8/2018 6:13 AM, Andrew Morton Wrote: > On Thu, 24 May 2018 13:38:05 -0700 Andrew Morton > wrote: >>> >>> Jia, Andrew, >>> >>> What is the status of this patch ? >>> >> >> I have it scheduled for 4.18-rc1, with a cc:stable for backporting. >> >> I'd normally put such a fix into

Re: [PATCH v2] mm/ksm: ignore STABLE_FLAG of rmap_item->address in rmap_walk_ksm

On Thu, Jun 07, 2018 at 03:13:44PM -0700, Andrew Morton wrote: > This patch is quite urgent and is tagged for -stable backporting, yet > it remains in an unreviewed state. Any takers? It looks a straightforward safe fix, on x86 hva_to_gfn_memslot would zap those bits and hide the misalignment

Re: [PATCH v2] mm/ksm: ignore STABLE_FLAG of rmap_item->address in rmap_walk_ksm

On Thu, Jun 07, 2018 at 03:13:44PM -0700, Andrew Morton wrote: > This patch is quite urgent and is tagged for -stable backporting, yet > it remains in an unreviewed state. Any takers? It looks a straightforward safe fix, on x86 hva_to_gfn_memslot would zap those bits and hide the misalignment

Re: [PATCH v2] mm/ksm: ignore STABLE_FLAG of rmap_item->address in rmap_walk_ksm

On Thu, 24 May 2018 13:38:05 -0700 Andrew Morton wrote: > > > > Jia, Andrew, > > > > What is the status of this patch ? > > > > I have it scheduled for 4.18-rc1, with a cc:stable for backporting. > > I'd normally put such a fix into 4.17-rcX but I'd like to give Hugh > time to review it and

Re: [PATCH v2] mm/ksm: ignore STABLE_FLAG of rmap_item->address in rmap_walk_ksm

On Thu, 24 May 2018 13:38:05 -0700 Andrew Morton wrote: > > > > Jia, Andrew, > > > > What is the status of this patch ? > > > > I have it scheduled for 4.18-rc1, with a cc:stable for backporting. > > I'd normally put such a fix into 4.17-rcX but I'd like to give Hugh > time to review it and

Re: [PATCH v2] mm/ksm: ignore STABLE_FLAG of rmap_item->address in rmap_walk_ksm

On Thu, 24 May 2018 09:44:16 +0100 Suzuki K Poulose wrote: > On 14/05/18 10:45, Suzuki K Poulose wrote: > > On 10/05/18 00:31, Andrew Morton wrote: > >> On Fri,  4 May 2018 11:11:46 +0800 Jia He wrote: > >> > >>> In our armv8a server(QDF2400), I

Re: [PATCH v2] mm/ksm: ignore STABLE_FLAG of rmap_item->address in rmap_walk_ksm

On Thu, 24 May 2018 09:44:16 +0100 Suzuki K Poulose wrote: > On 14/05/18 10:45, Suzuki K Poulose wrote: > > On 10/05/18 00:31, Andrew Morton wrote: > >> On Fri,  4 May 2018 11:11:46 +0800 Jia He wrote: > >> > >>> In our armv8a server(QDF2400), I noticed lots of WARN_ON caused by > >>>

Re: [PATCH v2] mm/ksm: ignore STABLE_FLAG of rmap_item->address in rmap_walk_ksm

On 5/24/2018 5:01 PM, Suzuki K Poulose Wrote: > On 24/05/18 09:50, Jia He wrote: >> Hi Suzuki >> >> On 5/24/2018 4:44 PM, Suzuki K Poulose Wrote: >>> On 14/05/18 10:45, Suzuki K Poulose wrote: On 10/05/18 00:31, Andrew Morton wrote: > On Fri,  4 May 2018 11:11:46 +0800 Jia He

Re: [PATCH v2] mm/ksm: ignore STABLE_FLAG of rmap_item->address in rmap_walk_ksm

On 5/24/2018 5:01 PM, Suzuki K Poulose Wrote: > On 24/05/18 09:50, Jia He wrote: >> Hi Suzuki >> >> On 5/24/2018 4:44 PM, Suzuki K Poulose Wrote: >>> On 14/05/18 10:45, Suzuki K Poulose wrote: On 10/05/18 00:31, Andrew Morton wrote: > On Fri,  4 May 2018 11:11:46 +0800 Jia He wrote:

Re: [PATCH v2] mm/ksm: ignore STABLE_FLAG of rmap_item->address in rmap_walk_ksm

On 24/05/18 09:50, Jia He wrote: Hi Suzuki On 5/24/2018 4:44 PM, Suzuki K Poulose Wrote: On 14/05/18 10:45, Suzuki K Poulose wrote: On 10/05/18 00:31, Andrew Morton wrote: On Fri,  4 May 2018 11:11:46 +0800 Jia He wrote: In our armv8a server(QDF2400), I noticed lots of

Re: [PATCH v2] mm/ksm: ignore STABLE_FLAG of rmap_item->address in rmap_walk_ksm

On 24/05/18 09:50, Jia He wrote: Hi Suzuki On 5/24/2018 4:44 PM, Suzuki K Poulose Wrote: On 14/05/18 10:45, Suzuki K Poulose wrote: On 10/05/18 00:31, Andrew Morton wrote: On Fri,  4 May 2018 11:11:46 +0800 Jia He wrote: In our armv8a server(QDF2400), I noticed lots of WARN_ON caused by

Re: [PATCH v2] mm/ksm: ignore STABLE_FLAG of rmap_item->address in rmap_walk_ksm

On 14/05/18 10:45, Suzuki K Poulose wrote: On 10/05/18 00:31, Andrew Morton wrote: On Fri,  4 May 2018 11:11:46 +0800 Jia He wrote: In our armv8a server(QDF2400), I noticed lots of WARN_ON caused by PAGE_SIZE unaligned for rmap_item->address under memory pressure

Re: [PATCH v2] mm/ksm: ignore STABLE_FLAG of rmap_item->address in rmap_walk_ksm

On 14/05/18 10:45, Suzuki K Poulose wrote: On 10/05/18 00:31, Andrew Morton wrote: On Fri,  4 May 2018 11:11:46 +0800 Jia He wrote: In our armv8a server(QDF2400), I noticed lots of WARN_ON caused by PAGE_SIZE unaligned for rmap_item->address under memory pressure tests(start 20 guests and

Re: [PATCH v2] mm/ksm: ignore STABLE_FLAG of rmap_item->address in rmap_walk_ksm

On 10/05/18 00:31, Andrew Morton wrote: On Fri, 4 May 2018 11:11:46 +0800 Jia He wrote: In our armv8a server(QDF2400), I noticed lots of WARN_ON caused by PAGE_SIZE unaligned for rmap_item->address under memory pressure tests(start 20 guests and run memhog in the host).

Re: [PATCH v2] mm/ksm: ignore STABLE_FLAG of rmap_item->address in rmap_walk_ksm

On 10/05/18 00:31, Andrew Morton wrote: On Fri, 4 May 2018 11:11:46 +0800 Jia He wrote: In our armv8a server(QDF2400), I noticed lots of WARN_ON caused by PAGE_SIZE unaligned for rmap_item->address under memory pressure tests(start 20 guests and run memhog in the host). ... In

Re: [PATCH v2] mm/ksm: ignore STABLE_FLAG of rmap_item->address in rmap_walk_ksm

On 10/05/18 02:26, Jia He wrote: Hi Andrew On 5/10/2018 7:31 AM, Andrew Morton Wrote: On Fri,  4 May 2018 11:11:46 +0800 Jia He wrote: In our armv8a server(QDF2400), I noticed lots of WARN_ON caused by PAGE_SIZE unaligned for rmap_item->address under memory pressure

Re: [PATCH v2] mm/ksm: ignore STABLE_FLAG of rmap_item->address in rmap_walk_ksm

On 10/05/18 02:26, Jia He wrote: Hi Andrew On 5/10/2018 7:31 AM, Andrew Morton Wrote: On Fri,  4 May 2018 11:11:46 +0800 Jia He wrote: In our armv8a server(QDF2400), I noticed lots of WARN_ON caused by PAGE_SIZE unaligned for rmap_item->address under memory pressure tests(start 20 guests

Re: [PATCH v2] mm/ksm: ignore STABLE_FLAG of rmap_item->address in rmap_walk_ksm

Hi Andrew On 5/10/2018 7:31 AM, Andrew Morton Wrote: On Fri, 4 May 2018 11:11:46 +0800 Jia He wrote: In our armv8a server(QDF2400), I noticed lots of WARN_ON caused by PAGE_SIZE unaligned for rmap_item->address under memory pressure tests(start 20 guests and run memhog

Re: [PATCH v2] mm/ksm: ignore STABLE_FLAG of rmap_item->address in rmap_walk_ksm

Hi Andrew On 5/10/2018 7:31 AM, Andrew Morton Wrote: On Fri, 4 May 2018 11:11:46 +0800 Jia He wrote: In our armv8a server(QDF2400), I noticed lots of WARN_ON caused by PAGE_SIZE unaligned for rmap_item->address under memory pressure tests(start 20 guests and run memhog in the host). ...

Re: [PATCH v2] mm/ksm: ignore STABLE_FLAG of rmap_item->address in rmap_walk_ksm

On Fri, 4 May 2018 11:11:46 +0800 Jia He wrote: > In our armv8a server(QDF2400), I noticed lots of WARN_ON caused by PAGE_SIZE > unaligned for rmap_item->address under memory pressure tests(start 20 guests > and run memhog in the host). > > ... > > In rmap_walk_ksm, the

Re: [PATCH v2] mm/ksm: ignore STABLE_FLAG of rmap_item->address in rmap_walk_ksm

On Fri, 4 May 2018 11:11:46 +0800 Jia He wrote: > In our armv8a server(QDF2400), I noticed lots of WARN_ON caused by PAGE_SIZE > unaligned for rmap_item->address under memory pressure tests(start 20 guests > and run memhog in the host). > > ... > > In rmap_walk_ksm, the rmap_item->address

Re: [PATCH v2] mm/ksm: ignore STABLE_FLAG of rmap_item->address in rmap_walk_ksm

[+Hugh Dickins] Cheers, Jia On 5/4/2018 11:11 AM, Jia He Wrote: In our armv8a server(QDF2400), I noticed lots of WARN_ON caused by PAGE_SIZE unaligned for rmap_item->address under memory pressure tests(start 20 guests and run memhog in the host).

Re: [PATCH v2] mm/ksm: ignore STABLE_FLAG of rmap_item->address in rmap_walk_ksm

[+Hugh Dickins] Cheers, Jia On 5/4/2018 11:11 AM, Jia He Wrote: In our armv8a server(QDF2400), I noticed lots of WARN_ON caused by PAGE_SIZE unaligned for rmap_item->address under memory pressure tests(start 20 guests and run memhog in the host).

[PATCH v2] mm/ksm: ignore STABLE_FLAG of rmap_item->address in rmap_walk_ksm

In our armv8a server(QDF2400), I noticed lots of WARN_ON caused by PAGE_SIZE unaligned for rmap_item->address under memory pressure tests(start 20 guests and run memhog in the host). --begin-- [ 410.853828] WARNING: CPU: 4 PID: 4641 at

[PATCH v2] mm/ksm: ignore STABLE_FLAG of rmap_item->address in rmap_walk_ksm

In our armv8a server(QDF2400), I noticed lots of WARN_ON caused by PAGE_SIZE unaligned for rmap_item->address under memory pressure tests(start 20 guests and run memhog in the host). --begin-- [ 410.853828] WARNING: CPU: 4 PID: 4641 at