linux-kernel - Re: [PATCH v4 5/5] mm,hugetlb: drop unlikelys from hugetlb

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Message-ID: <f1499e6f-99bd-46c3-8dd6-770b8321e071@redhat.com>
Date: Fri, 4 Jul 2025 12:47:41 +0200
From: David Hildenbrand <david@...hat.com>
To: Oscar Salvador <osalvador@...e.de>,
 Andrew Morton <akpm@...ux-foundation.org>
Cc: Muchun Song <muchun.song@...ux.dev>, Peter Xu <peterx@...hat.com>,
 Gavin Guo <gavinguo@...lia.com>, linux-mm@...ck.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4 5/5] mm,hugetlb: drop unlikelys from hugetlb_fault

On 30.06.25 16:42, Oscar Salvador wrote:
> The unlikely predates an era where we were checking for
> hwpoisoned/migration entries prior to checking whether the pte was
> present.
> 
> Currently, we check for the pte to be a migration/hwpoison entry after we
> have checked that is not present, so it must be either one or the other.
> 
> Link: https://lkml.kernel.org/r/20250627102904.107202-6-osalvador@suse.de
> Signed-off-by: Oscar Salvador <osalvador@...e.de>
> Cc: David Hildenbrand <david@...hat.com>
> Cc: Gavin Guo <gavinguo@...lia.com>
> Cc: Muchun Song <muchun.song@...ux.dev>
> Cc: Peter Xu <peterx@...hat.com>
> Signed-off-by: Andrew Morton <akpm@...ux-foundation.org>
> ---

Acked-by: David Hildenbrand <david@...hat.com>

-- 
Cheers,

David / dhildenb