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Message-ID: <ZhlCogEsWEjTbl8_@casper.infradead.org>
Date: Fri, 12 Apr 2024 15:18:10 +0100
From: Matthew Wilcox <willy@...radead.org>
To: Haifeng Xu <haifeng.xu@...pee.com>
Cc: Vlastimil Babka <vbabka@...e.cz>,
"Christoph Lameter (Ampere)" <cl@...ux.com>, penberg@...nel.org,
rientjes@...gle.com, iamjoonsoo.kim@....com,
akpm@...ux-foundation.org, roman.gushchin@...ux.dev,
42.hyeyoo@...il.com, linux-mm@...ck.org,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH] slub: Clear __GFP_COMP flag when allocating 0 order page
On Fri, Apr 12, 2024 at 10:14:39PM +0800, Haifeng Xu wrote:
> diff --git a/mm/slub.c b/mm/slub.c
> index e7bf1a1a31a8..49a3ebefab86 100644
> --- a/mm/slub.c
> +++ b/mm/slub.c
> @@ -4461,9 +4461,7 @@ static int calculate_sizes(struct kmem_cache *s)
> if ((int)order < 0)
> return 0;
>
> - s->allocflags = 0;
> - if (order)
> - s->allocflags |= __GFP_COMP;
> + s->allocflags = __GFP_COMP;
>
> if (s->flags & SLAB_CACHE_DMA)
> s->allocflags |= GFP_DMA;
Resend this with a proper changelog and you can add:
Reviewed-by: Matthew Wilcox (Oracle) <willy@...radead.org>
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