From: Oscar Salvador <osalvador@suse.de>
To: David Hildenbrand <david@redhat.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Vlastimil Babka <vbabka@suse.cz>,
Michal Hocko <mhocko@kernel.org>,
Muchun Song <songmuchun@bytedance.com>,
Mike Kravetz <mike.kravetz@oracle.com>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
Anshuman Khandual <anshuman.khandual@arm.com>
Subject: Re: [PATCH v4 0/4] Make alloc_contig_range handle Hugetlb pages
Date: Wed, 17 Mar 2021 11:06:37 +0100 [thread overview]
Message-ID: <20210317100637.GB16479@linux> (raw)
In-Reply-To: <20210317100518.GA16479@linux>
On Wed, Mar 17, 2021 at 11:05:23AM +0100, Oscar Salvador wrote:
> From e97175b7d4970cbdcbafcf8c398f72a571e817b0 Mon Sep 17 00:00:00 2001
> From: Oscar Salvador <osalvador@suse.de>
> Date: Thu, 18 Mar 2021 05:03:18 +0100
> Subject: [PATCH] mm,page_alloc: Drop unnecesary checks from
> pfn_range_valid_contig
>
> pfn_range_valid_contig() bails out when it finds an in-use page or a
> hugetlb page, among other things.
> We can drop the in-use page check since __alloc_contig_pages can migrate
> away those pages, and the hugetlb page check can go too since
> isolate_migratepages_range is now capable of dealing with hugetlb pages.
>
> Signed-off-by: Oscar Salvador <osalvador@suse.de>
Of course, missing a Suggested-by: David Hildenbrand <david@redhat.com>
--
Oscar Salvador
SUSE L3
next prev parent reply other threads:[~2021-03-17 10:06 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-10 15:08 [PATCH v4 0/4] Make alloc_contig_range handle Hugetlb pages Oscar Salvador
2021-03-10 15:08 ` [PATCH v4 1/4] mm,page_alloc: Bail out earlier on -ENOMEM in alloc_contig_migrate_range Oscar Salvador
2021-03-15 11:00 ` Vlastimil Babka
2021-03-15 11:10 ` David Hildenbrand
2021-03-10 15:08 ` [PATCH v4 2/4] mm,compaction: Let isolate_migratepages_{range,block} return error codes Oscar Salvador
2021-03-15 11:03 ` Vlastimil Babka
2021-03-10 15:08 ` [PATCH v4 3/4] mm: Make alloc_contig_range handle free hugetlb pages Oscar Salvador
2021-03-10 15:08 ` [PATCH v4 4/4] mm: Make alloc_contig_range handle in-use " Oscar Salvador
2021-03-15 9:06 ` [PATCH v4 0/4] Make alloc_contig_range handle Hugetlb pages David Hildenbrand
2021-03-15 10:27 ` Oscar Salvador
2021-03-15 10:28 ` David Hildenbrand
2021-03-17 9:43 ` Oscar Salvador
2021-03-17 9:48 ` David Hildenbrand
2021-03-17 10:05 ` Oscar Salvador
2021-03-17 10:06 ` Oscar Salvador [this message]
2021-03-17 10:07 ` David Hildenbrand
2021-03-15 10:23 ` Oscar Salvador
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