From: Andrew Morton <akpm@linux-foundation.org>
To: Dev Jain <dev.jain@arm.com>
Cc: Liam.Howlett@oracle.com, lorenzo.stoakes@oracle.com,
vbabka@suse.cz, jannh@google.com, linux-mm@kvack.org,
linux-kernel@vger.kernel.org, ryan.roberts@arm.com,
anshuman.khandual@arm.com, aneesh.kumar@kernel.org,
yang@os.amperecomputing.com, david@redhat.com,
willy@infradead.org, hughd@google.com, ziy@nvidia.com
Subject: Re: [PATCH] mm/vma: Do not register private-anon mappings with khugepaged during mmap
Date: Wed, 5 Mar 2025 22:38:56 -0800 [thread overview]
Message-ID: <20250305223856.bc1a0c90339cf0d353e8be34@linux-foundation.org> (raw)
In-Reply-To: <20250306063037.16299-1-dev.jain@arm.com>
On Thu, 6 Mar 2025 12:00:37 +0530 Dev Jain <dev.jain@arm.com> wrote:
> We already are registering private-anon VMAs with khugepaged during fault
> time, in do_huge_pmd_anonymous_page(). Commit "register suitable readonly
> file vmas for khugepaged" moved the khugepaged registration logic from
> shmem_mmap to the generic mmap path. Make this logic specific for non-anon
> mappings.
Please fully describe the userspace-visible effects of this bug.
> Fixes: 613bec092fe7 ("mm: mmap: register suitable readonly file vmas for khugepaged")
> Signed-off-by: Dev Jain <dev.jain@arm.com>
Thanks, I'll add cc:stable.
next prev parent reply other threads:[~2025-03-06 6:39 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-03-06 6:30 Dev Jain
2025-03-06 6:38 ` Andrew Morton [this message]
2025-03-06 7:44 ` Dev Jain
2025-03-06 8:18 ` Lorenzo Stoakes
2025-03-06 14:32 ` Dev Jain
2025-03-06 16:10 ` Lorenzo Stoakes
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