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From: David Hildenbrand <david@redhat.com>
To: Oscar Salvador <osalvador@suse.de>,
	Andrew Morton <akpm@linux-foundation.org>
Cc: Mike Kravetz <mike.kravetz@oracle.com>,
	Muchun Song <songmuchun@bytedance.com>,
	Michal Hocko <mhocko@kernel.org>,
	linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v3 2/2] mm: Make alloc_contig_range handle in-use hugetlb pages
Date: Fri, 5 Mar 2021 18:30:44 +0100	[thread overview]
Message-ID: <4c52bb7e-54c3-3972-8ada-6bb4ae6c36cc@redhat.com> (raw)
In-Reply-To: <20210222135137.25717-3-osalvador@suse.de>

On 22.02.21 14:51, Oscar Salvador wrote:
> alloc_contig_range() will fail if it finds a HugeTLB page within the range,
> without a chance to handle them. Since HugeTLB pages can be migrated as any
> LRU or Movable page, it does not make sense to bail out without trying.
> Enable the interface to recognize in-use HugeTLB pages so we can migrate
> them, and have much better chances to succeed the call.
> 
> Signed-off-by: Oscar Salvador <osalvador@suse.de>

LGTM as far as I can tell, I am only wondering if it wouldn't even be 
cleaner to squash both patches.

-- 
Thanks,

David / dhildenb



  parent reply	other threads:[~2021-03-05 17:31 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-02-22 13:51 [PATCH v3 0/2] Make alloc_contig_range handle Hugetlb pages Oscar Salvador
2021-02-22 13:51 ` [PATCH v3 1/2] mm: Make alloc_contig_range handle free hugetlb pages Oscar Salvador
2021-02-25 20:03   ` Mike Kravetz
2021-02-26  9:48     ` Oscar Salvador
2021-02-26  8:35   ` Michal Hocko
2021-02-26  8:38     ` Michal Hocko
2021-02-26  9:25       ` David Hildenbrand
2021-02-26  9:47         ` Oscar Salvador
2021-02-26  9:45     ` Oscar Salvador
2021-02-26  9:51       ` Michal Hocko
2021-03-01 14:09   ` David Hildenbrand
2021-03-04 10:19     ` Oscar Salvador
2021-03-04 10:32       ` David Hildenbrand
2021-03-04 10:41         ` Oscar Salvador
2021-02-22 13:51 ` [PATCH v3 2/2] mm: Make alloc_contig_range handle in-use " Oscar Salvador
2021-02-25 23:05   ` Mike Kravetz
2021-02-26  8:46   ` Michal Hocko
2021-02-26 10:24     ` Oscar Salvador
2021-02-26 10:27       ` Oscar Salvador
2021-02-26 12:46       ` Michal Hocko
2021-02-28 13:43         ` Oscar Salvador
2021-03-05 17:30   ` David Hildenbrand [this message]
2021-03-01 12:43 ` [PATCH v3 0/2] Make alloc_contig_range handle Hugetlb pages David Hildenbrand
2021-03-01 12:57   ` Oscar Salvador
2021-03-01 12:59     ` David Hildenbrand

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