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SubjectRe: [PATCH] mm/shmem: shmem_replace_page() remember NR_SHMEM
On Wed, Aug 10, 2022 at 10:06:33PM -0700, Hugh Dickins wrote:
> Elsewhere, NR_SHMEM is updated at the same time as shmem NR_FILE_PAGES;
> but shmem_replace_page() was forgetting to do that - so NR_SHMEM stats
> could grow too big or too small, in those unusual cases when it's used.
>
> Signed-off-by: Hugh Dickins <hughd@google.com>

Reviewed-by: Matthew Wilcox (Oracle) <willy@infradead.org>

> ---
> This is not terribly important, and will clash with one of Matthew's
> 59 for 5.21; I don't mind if this gets delayed, and we just do it again
> on top of his series later, or he fold the equivalent into his series;
> but thought I'd better send it in as another fix to shmem_replace_page()
> while that function is on our minds.

Let's get this into 6.0 since it's a bugfix, and I'll rebase my patches
for 6.1 on top of it.

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