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>, "James E.J. Bottomley" <jejb@parisc-linux.org>, Helge Deller <deller@gmx.de>, linux-arch@vger.kernel.org Subject: [PATCH 09/17] parisc: get rid of superfluous __GFP_REPEAT Date: Mon, 30 May 2016 11:14:51 +0200 [thread overview] Message-ID: <1464599699-30131-10-git-send-email-mhocko@kernel.org> (raw) In-Reply-To: <1464599699-30131-1-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. pmd_alloc_one allocate PMD_ORDER which is 1. This means that this flag has never been actually useful here because it has always been used only for PAGE_ALLOC_COSTLY requests. Cc: "James E.J. Bottomley" <jejb@parisc-linux.org> Cc: Helge Deller <deller@gmx.de> Cc: linux-arch@vger.kernel.org Signed-off-by: Michal Hocko <mhocko@suse.com> --- arch/parisc/include/asm/pgalloc.h | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/arch/parisc/include/asm/pgalloc.h b/arch/parisc/include/asm/pgalloc.h index 52c3defb40c9..f08dda3f0995 100644 --- a/arch/parisc/include/asm/pgalloc.h +++ b/arch/parisc/include/asm/pgalloc.h @@ -63,8 +63,7 @@ static inline void pgd_populate(struct mm_struct *mm, pgd_t *pgd, pmd_t *pmd) static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long address) { - pmd_t *pmd = (pmd_t *)__get_free_pages(GFP_KERNEL|__GFP_REPEAT, - PMD_ORDER); + pmd_t *pmd = (pmd_t *)__get_free_pages(GFP_KERNEL, PMD_ORDER); if (pmd) memset(pmd, 0, PAGE_SIZE<<PMD_ORDER); return pmd; -- 2.8.1 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>
WARNING: multiple messages have this Message-ID (diff)
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>, "James E.J. Bottomley" <jejb@parisc-linux.org>, Helge Deller <deller@gmx.de>, linux-arch@vger.kernel.org Subject: [PATCH 09/17] parisc: get rid of superfluous __GFP_REPEAT Date: Mon, 30 May 2016 11:14:51 +0200 [thread overview] Message-ID: <1464599699-30131-10-git-send-email-mhocko@kernel.org> (raw) Message-ID: <20160530091451.7q4qKsWUztzuRsWuay8AGMoixPbfHIoc1jNC6hgka1Y@z> (raw) In-Reply-To: <1464599699-30131-1-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. pmd_alloc_one allocate PMD_ORDER which is 1. This means that this flag has never been actually useful here because it has always been used only for PAGE_ALLOC_COSTLY requests. Cc: "James E.J. Bottomley" <jejb@parisc-linux.org> Cc: Helge Deller <deller@gmx.de> Cc: linux-arch@vger.kernel.org Signed-off-by: Michal Hocko <mhocko@suse.com> --- arch/parisc/include/asm/pgalloc.h | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/arch/parisc/include/asm/pgalloc.h b/arch/parisc/include/asm/pgalloc.h index 52c3defb40c9..f08dda3f0995 100644 --- a/arch/parisc/include/asm/pgalloc.h +++ b/arch/parisc/include/asm/pgalloc.h @@ -63,8 +63,7 @@ static inline void pgd_populate(struct mm_struct *mm, pgd_t *pgd, pmd_t *pmd) static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long address) { - pmd_t *pmd = (pmd_t *)__get_free_pages(GFP_KERNEL|__GFP_REPEAT, - PMD_ORDER); + pmd_t *pmd = (pmd_t *)__get_free_pages(GFP_KERNEL, PMD_ORDER); if (pmd) memset(pmd, 0, PAGE_SIZE<<PMD_ORDER); return pmd; -- 2.8.1
next prev parent reply other threads:[~2016-05-30 9:14 UTC|newest] Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top [not found] <1464599699-30131-1-git-send-email-mhocko@kernel.org> 2016-05-30 9:14 ` [PATCH 01/17] tree wide: get rid of __GFP_REPEAT for order-0 allocations part I Michal Hocko 2016-05-30 9:14 ` Michal Hocko 2016-05-30 9:14 ` [PATCH 02/17] x86: get rid of superfluous __GFP_REPEAT Michal Hocko 2016-05-30 9:14 ` Michal Hocko 2016-05-30 9:14 ` [PATCH 03/17] x86/efi: " Michal Hocko 2016-05-30 9:14 ` Michal Hocko 2016-05-30 9:14 ` [PATCH 04/17] arm: " Michal Hocko 2016-05-30 9:14 ` Michal Hocko 2016-06-01 16:24 ` Russell King - ARM Linux 2016-06-01 16:24 ` Russell King - ARM Linux 2016-06-02 6:32 ` Michal Hocko 2016-06-02 6:32 ` Michal Hocko 2016-07-20 20:59 ` Andrew Morton 2016-05-30 9:14 ` [PATCH 05/17] arm64: " Michal Hocko 2016-05-30 9:14 ` Michal Hocko 2016-05-30 9:14 ` [PATCH 06/17] arc: " Michal Hocko 2016-05-30 9:14 ` Michal Hocko 2016-05-30 9:14 ` [PATCH 07/17] mips: " Michal Hocko 2016-05-30 9:14 ` Michal Hocko 2016-05-30 9:14 ` [PATCH 08/17] nios2: " Michal Hocko 2016-05-30 9:14 ` Michal Hocko 2016-05-30 9:14 ` Michal Hocko [this message] 2016-05-30 9:14 ` [PATCH 09/17] parisc: " Michal Hocko 2016-05-30 9:14 ` [PATCH 10/17] score: " Michal Hocko 2016-05-30 9:14 ` Michal Hocko 2016-05-30 9:14 ` [PATCH 11/17] powerpc: " Michal Hocko 2016-05-30 9:14 ` Michal Hocko 2016-05-30 9:14 ` [PATCH 12/17] sparc: " Michal Hocko 2016-05-30 9:14 ` Michal Hocko 2016-05-30 18:23 ` David Miller 2016-05-30 18:23 ` David Miller 2016-05-30 9:14 ` [PATCH 13/17] s390: " Michal Hocko 2016-05-30 9:14 ` Michal Hocko 2016-05-30 9:14 ` [PATCH 14/17] sh: " Michal Hocko 2016-05-30 9:14 ` Michal Hocko 2016-05-30 9:14 ` [PATCH 15/17] tile: " Michal Hocko 2016-05-30 9:14 ` Michal Hocko 2016-05-30 9:14 ` [PATCH 16/17] unicore32: " Michal Hocko 2016-05-30 9:14 ` Michal Hocko
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