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SubjectRe: [PATCH v4 1/9] mm/ksm: add ksm_get_folio
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On 09.04.24 11:28, alexs@kernel.org wrote:
> From: "Alex Shi (tencent)" <alexs@kernel.org>
>
> The ksm only contains single pages, so we could add a new func
> ksm_get_folio for get_ksm_page to use folio instead of pages to save a
> couple of compound_head calls.
>
> After all caller replaced, get_ksm_page will be removed.
>
> Signed-off-by: Alex Shi (tencent) <alexs@kernel.org>
> To: Andrew Morton <akpm@linux-foundation.org>
> Cc: Izik Eidus <izik.eidus@ravellosystems.com>
> Cc: Matthew Wilcox <willy@infradead.org>
> Cc: Andrea Arcangeli <aarcange@redhat.com>
> Cc: Hugh Dickins <hughd@google.com>
> Cc: Chris Wright <chrisw@sous-sol.org>
> Reviewed-by: David Hildenbrand <david@redhat.com>
> ---
> mm/ksm.c | 40 ++++++++++++++++++++++++----------------
> 1 file changed, 24 insertions(+), 16 deletions(-)
>
> diff --git a/mm/ksm.c b/mm/ksm.c
> index 8c001819cf10..ac080235b002 100644
> --- a/mm/ksm.c
> +++ b/mm/ksm.c
> @@ -915,10 +915,10 @@ enum get_ksm_page_flags {
> * a page to put something that might look like our key in page->mapping.
> * is on its way to being freed; but it is an anomaly to bear in mind.
> */
> -static struct page *get_ksm_page(struct ksm_stable_node *stable_node,
> +static struct folio *ksm_get_folio(struct ksm_stable_node *stable_node,

Just realized that you should adjust the function name in the comment
above this function in this patch.

--
Cheers,

David / dhildenb


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