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SubjectRe: [PATCH 1/3] mm/page_alloc: use might_alloc()
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On 6/5/22 17:25, Daniel Vetter wrote:
> ... instead of open codding it. Completely equivalent code, just
> a notch more meaningful when reading.
>
> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
> Cc: Andrew Morton <akpm@linux-foundation.org>
> Cc: linux-mm@kvack.org

Reviewed-by: Vlastimil Babka <vbabka@suse.cz>

> ---
> mm/page_alloc.c | 5 +----
> 1 file changed, 1 insertion(+), 4 deletions(-)
>
> diff --git a/mm/page_alloc.c b/mm/page_alloc.c
> index 2db95780e003..277774d170cb 100644
> --- a/mm/page_alloc.c
> +++ b/mm/page_alloc.c
> @@ -5177,10 +5177,7 @@ static inline bool prepare_alloc_pages(gfp_t gfp_mask, unsigned int order,
> *alloc_flags |= ALLOC_CPUSET;
> }
>
> - fs_reclaim_acquire(gfp_mask);
> - fs_reclaim_release(gfp_mask);
> -
> - might_sleep_if(gfp_mask & __GFP_DIRECT_RECLAIM);
> + might_alloc(gfp_mask);
>
> if (should_fail_alloc_page(gfp_mask, order))
> return false;

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