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Groups > linux.kernel > #1409311
| From | David Miller <davem@davemloft.net> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH 12/17] sparc: get rid of superfluous __GFP_REPEAT |
| Date | 2016-05-30 20:30 +0200 |
| Message-ID | <rEA6S-7Q4-7@gated-at.bofh.it> (permalink) |
| References | <rErwC-2fk-9@gated-at.bofh.it> <rErwD-2fk-41@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
From: Michal Hocko <mhocko@kernel.org>
Date: Mon, 30 May 2016 11:14:54 +0200
> From: Michal Hocko <mhocko@suse.com>
>
> __GFP_REPEAT has a rather weak semantic but since it has been introduced
> around 2.6.12 it has been ignored for low order allocations.
>
> {pud,pmd}_alloc_one is using __GFP_REPEAT but it always allocates from
> pgtable_cache which is initialzed to PAGE_SIZE objects. This means that
> this flag has never been actually useful here because it has always been
> used only for PAGE_ALLOC_COSTLY requests.
>
> Cc: "David S. Miller" <davem@davemloft.net>
> Cc: linux-arch@vger.kernel.org
> Signed-off-by: Michal Hocko <mhocko@suse.com>
Acked-by: David S. Miller <davem@davemloft.net>
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[PATCH 0/19] get rid of superfluous __GFP_REPEAT Michal Hocko <mhocko@kernel.org> - 2016-05-30 11:20 +0200
[PATCH 12/17] sparc: get rid of superfluous __GFP_REPEAT Michal Hocko <mhocko@kernel.org> - 2016-05-30 11:20 +0200
Re: [PATCH 12/17] sparc: get rid of superfluous __GFP_REPEAT David Miller <davem@davemloft.net> - 2016-05-30 20:30 +0200
[PATCH 14/17] sh: get rid of superfluous __GFP_REPEAT Michal Hocko <mhocko@kernel.org> - 2016-05-30 11:20 +0200
[PATCH 17/17] jbd2: get rid of superfluous __GFP_REPEAT Michal Hocko <mhocko@kernel.org> - 2016-05-30 11:20 +0200
Re: [PATCH 17/17] jbd2: get rid of superfluous __GFP_REPEAT Jan Kara <jack@suse.cz> - 2016-05-30 15:10 +0200
[PATCH 07/17] mips: get rid of superfluous __GFP_REPEAT Michal Hocko <mhocko@kernel.org> - 2016-05-30 11:20 +0200
[PATCH 10/17] score: get rid of superfluous __GFP_REPEAT Michal Hocko <mhocko@kernel.org> - 2016-05-30 11:20 +0200
[PATCH 01/17] tree wide: get rid of __GFP_REPEAT for order-0 allocations part I Michal Hocko <mhocko@kernel.org> - 2016-05-30 11:20 +0200
[PATCH 06/17] arc: get rid of superfluous __GFP_REPEAT Michal Hocko <mhocko@kernel.org> - 2016-05-30 11:20 +0200
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