From: Muchun Song <muchun.song@linux.dev>
To: Baolin Wang <baolin.wang@linux.alibaba.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Oscar Salvador <osalvador@suse.de>,
David Hildenbrand <david@redhat.com>,
Michal Hocko <mhocko@kernel.org>, Linux-MM <linux-mm@kvack.org>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] mm: hugetlb: fix hugetlb allocation failure when handling freed or in-use hugetlb
Date: Mon, 5 Feb 2024 14:56:49 +0800 [thread overview]
Message-ID: <E549C993-A900-40AF-9D0E-F14109237487@linux.dev> (raw)
In-Reply-To: <b2e6ce111400670d8021baf4d7ac524ae78a40d5.1707105047.git.baolin.wang@linux.alibaba.com>
> On Feb 5, 2024, at 11:54, Baolin Wang <baolin.wang@linux.alibaba.com> wrote:
>
> When handling the freed hugetlb or in-use hugetlb, we should ignore the
> failure of alloc_buddy_hugetlb_folio() to dissolve the old hugetlb successfully,
> since we did not use the new allocated hugetlb in this 2 cases.
>
> Signed-off-by: Baolin Wang <baolin.wang@linux.alibaba.com>
OK. It is not a fix (I see a fix keyword in subject) but an
optimization for unnecessary-allocation cases. Thanks.
Reviewed-by: Muchun Song <muchun.song@linux.dev>
next prev parent reply other threads:[~2024-02-05 6:57 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-02-05 3:54 Baolin Wang
2024-02-05 6:56 ` Muchun Song [this message]
2024-02-05 8:23 ` Baolin Wang
2024-02-05 9:31 ` Michal Hocko
2024-02-05 12:38 ` Baolin Wang
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