Re: [PATCH RFC v2 20/27] mm: hugepage: Handle huge page fault on access

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To: David Hildenbrand <david@xxxxxxxxxx>
Subject: Re: [PATCH RFC v2 20/27] mm: hugepage: Handle huge page fault on access
From: Alexandru Elisei <alexandru.elisei@xxxxxxx>
Date: Wed, 29 Nov 2023 11:56:33 +0000
Cc: catalin.marinas@xxxxxxx, will@xxxxxxxxxx, oliver.upton@xxxxxxxxx, maz@xxxxxxxxxx, james.morse@xxxxxxx, suzuki.poulose@xxxxxxx, yuzenghui@xxxxxxxxxx, arnd@xxxxxxxx, akpm@xxxxxxxxxxxxxxxxxxxx, mingo@xxxxxxxxxx, peterz@xxxxxxxxxxxxx, juri.lelli@xxxxxxxxxx, vincent.guittot@xxxxxxxxxx, dietmar.eggemann@xxxxxxx, rostedt@xxxxxxxxxxx, bsegall@xxxxxxxxxx, mgorman@xxxxxxx, bristot@xxxxxxxxxx, vschneid@xxxxxxxxxx, mhiramat@xxxxxxxxxx, rppt@xxxxxxxxxx, hughd@xxxxxxxxxx, pcc@xxxxxxxxxx, steven.price@xxxxxxx, anshuman.khandual@xxxxxxx, vincenzo.frascino@xxxxxxx, eugenis@xxxxxxxxxx, kcc@xxxxxxxxxx, hyesoo.yu@xxxxxxxxxxx, linux-arm-kernel@xxxxxxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, kvmarm@xxxxxxxxxxxxxxx, linux-fsdevel@xxxxxxxxxxxxxxx, linux-arch@xxxxxxxxxxxxxxx, linux-mm@xxxxxxxxx, linux-trace-kernel@xxxxxxxxxxxxxxx
In-reply-to: <2cb6090d-b71f-472f-ab89-715b75dba067@redhat.com>
References: <20231119165721.9849-1-alexandru.elisei@arm.com> <20231119165721.9849-21-alexandru.elisei@arm.com> <2cb6090d-b71f-472f-ab89-715b75dba067@redhat.com>

Hi,

On Tue, Nov 28, 2023 at 06:56:34PM +0100, David Hildenbrand wrote:
> On 19.11.23 17:57, Alexandru Elisei wrote:
> > Handle PAGE_FAULT_ON_ACCESS faults for huge pages in a similar way to
> > regular pages.
> > 
> > Signed-off-by: Alexandru Elisei <alexandru.elisei@xxxxxxx>
> > ---
> 
> Same comments :)

Yes, will have a look at this fault handling path too :)

Thanks,
Alex

> 
> -- 
> Cheers,
> 
> David / dhildenb
>

References:
- [PATCH RFC v2 00/27] Add support for arm64 MTE dynamic tag storage reuse
  - From: Alexandru Elisei
- [PATCH RFC v2 20/27] mm: hugepage: Handle huge page fault on access
  - From: Alexandru Elisei
- Re: [PATCH RFC v2 20/27] mm: hugepage: Handle huge page fault on access
  - From: David Hildenbrand

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