From: Michal Hocko <mhocko@kernel.org>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: linux-mm@kvack.org, LKML <linux-kernel@vger.kernel.org>,
Michal Hocko <mhocko@suse.com>,
linux-arch@vger.kernel.org,
Matt Fleming <matt@codeblueprint.co.uk>
Subject: [PATCH 03/20] x86/efi: get rid of superfluous __GFP_REPEAT
Date: Thu, 28 Apr 2016 15:23:49 +0200 [thread overview]
Message-ID: <1461849846-27209-4-git-send-email-mhocko@kernel.org> (raw)
In-Reply-To: <1461849846-27209-1-git-send-email-mhocko@kernel.org>
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.
efi_alloc_page_tables uses __GFP_REPEAT but it allocates an order-0
page. This means that this flag has never been actually useful here
because it has always been used only for PAGE_ALLOC_COSTLY requests.
Cc: linux-arch@vger.kernel.org
Acked-by: Matt Fleming <matt@codeblueprint.co.uk>
Signed-off-by: Michal Hocko <mhocko@suse.com>
---
arch/x86/platform/efi/efi_64.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/x86/platform/efi/efi_64.c b/arch/x86/platform/efi/efi_64.c
index 49e4dd4a1f58..a7ee3f08074f 100644
--- a/arch/x86/platform/efi/efi_64.c
+++ b/arch/x86/platform/efi/efi_64.c
@@ -141,7 +141,7 @@ int __init efi_alloc_page_tables(void)
if (efi_enabled(EFI_OLD_MEMMAP))
return 0;
- gfp_mask = GFP_KERNEL | __GFP_NOTRACK | __GFP_REPEAT | __GFP_ZERO;
+ gfp_mask = GFP_KERNEL | __GFP_NOTRACK | __GFP_ZERO;
efi_pgd = (pgd_t *)__get_free_page(gfp_mask);
if (!efi_pgd)
return -ENOMEM;
--
2.8.0.rc3
--
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next prev parent reply other threads:[~2016-04-28 13:24 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-28 13:23 [PATCH 0/19] get rid of superfluous __GFP_REPEAT Michal Hocko
2016-04-28 13:23 ` [PATCH 01/20] tree wide: get rid of __GFP_REPEAT for order-0 allocations part I Michal Hocko
2016-04-28 13:23 ` [PATCH 02/20] x86: get rid of superfluous __GFP_REPEAT Michal Hocko
2016-04-28 13:23 ` Michal Hocko [this message]
2016-04-28 13:23 ` [PATCH 04/20] arm: " Michal Hocko
2016-04-28 14:55 ` Russell King - ARM Linux
2016-04-28 15:08 ` Michal Hocko
2016-04-29 9:41 ` Michal Hocko
2016-04-28 13:23 ` [PATCH 05/20] arm64: " Michal Hocko
2016-04-28 13:23 ` [PATCH 06/20] arc: " Michal Hocko
2016-04-28 13:23 ` [PATCH 07/20] mips: " Michal Hocko
2016-04-28 13:23 ` [PATCH 08/20] nios2: " Michal Hocko
2016-04-28 13:23 ` [PATCH 09/20] parisc: " Michal Hocko
2016-04-28 13:23 ` [PATCH 10/20] score: " Michal Hocko
2016-04-28 13:23 ` [PATCH 11/20] powerpc: " Michal Hocko
2016-04-28 13:23 ` [PATCH 12/20] sparc: " Michal Hocko
2016-04-28 13:23 ` [PATCH 13/20] s390: " Michal Hocko
2016-04-28 13:24 ` [PATCH 14/20] sh: " Michal Hocko
2016-04-28 13:24 ` [PATCH 15/20] tile: " Michal Hocko
2016-04-28 16:21 ` Chris Metcalf
2016-04-28 13:24 ` [PATCH 16/20] unicore32: " Michal Hocko
2016-04-28 13:24 ` [PATCH 17/20] dm: get rid of superfluous gfp flags Michal Hocko
2016-04-29 18:54 ` Mike Snitzer
2016-05-02 7:31 ` Michal Hocko
2016-04-28 13:24 ` [PATCH 18/20] dm: clean up GFP_NIO usage Michal Hocko
2016-04-28 14:20 ` Mikulas Patocka
2016-04-28 14:41 ` Michal Hocko
2016-04-28 13:24 ` [PATCH 19/20] md: simplify free_params for kmalloc vs vmalloc fallback Michal Hocko
2016-04-28 14:51 ` [PATCH] " Michal Hocko
2016-04-28 15:04 ` Mikulas Patocka
2016-04-28 15:28 ` Michal Hocko
2016-04-28 15:40 ` Mikulas Patocka
2016-04-28 16:59 ` Michal Hocko
2016-04-28 15:37 ` [PATCH 19/20] " Mike Snitzer
2016-04-28 16:00 ` Michal Hocko
2016-04-28 13:24 ` [PATCH 20/20] jbd2: get rid of superfluous __GFP_REPEAT Michal Hocko
2016-05-12 16:53 ` [PATCH 0/19] " Michal Hocko
2016-05-12 20:13 ` Andrew Morton
2016-05-13 6:58 ` Michal Hocko
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