Re: [PATCH 1/3] mm/page_alloc: use might_alloc()

["Vlastimil Babka (SUSE)" <vbabka@xxxxxxxxxx>]

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@xxxxxxxxx>
> Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
> Cc: linux-mm@xxxxxxxxx

Reviewed-by: Vlastimil Babka <vbabka@xxxxxxx>

> ---
>  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;