From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail202.messagelabs.com (mail202.messagelabs.com [216.82.254.227]) by kanga.kvack.org (Postfix) with ESMTP id 450368D003B for ; Mon, 14 Mar 2011 13:29:44 -0400 (EDT) Received: by qwa26 with SMTP id 26so1986188qwa.14 for ; Mon, 14 Mar 2011 10:29:42 -0700 (PDT) MIME-Version: 1.0 Date: Mon, 14 Mar 2011 17:29:41 +0000 Message-ID: Subject: [RFC][PATCH v2 02/23] (armho) __vmalloc: add gfp flags variant of pte and pmd allocation From: Prasad Joshi Content-Type: text/plain; charset=ISO-8859-1 Sender: owner-linux-mm@kvack.org List-ID: To: Russell King , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-arch@vger.kernel.org __vmalloc: propagating GFP allocation flag. - adds functions to allow caller to pass the GFP flag for memory allocation - helps in fixing the Bug 30702 (__vmalloc(GFP_NOFS) can callback file system evict_inode). Signed-off-by: Anand Mitra Signed-off-by: Prasad Joshi --- Chnagelog: arch/arm/include/asm/pgalloc.h | 11 +++++++++-- 1 files changed, 9 insertions(+), 2 deletions(-) --- diff --git a/arch/arm/include/asm/pgalloc.h b/arch/arm/include/asm/pgalloc.h index 22de005..0696068 100644 --- a/arch/arm/include/asm/pgalloc.h +++ b/arch/arm/include/asm/pgalloc.h @@ -28,6 +28,7 @@ /* * Since we have only two-level page tables, these are trivial */ +#define __pmd_alloc_one(mm,addr,mask) ({ BUG(); ((pmd_t *)2); }) #define pmd_alloc_one(mm,addr) ({ BUG(); ((pmd_t *)2); }) #define pmd_free(mm, pmd) do { } while (0) #define pgd_populate(mm,pmd,pte) BUG() @@ -59,17 +60,23 @@ static inline void clean_pte_table(pte_t *pte) * +------------+ */ static inline pte_t * -pte_alloc_one_kernel(struct mm_struct *mm, unsigned long addr) +__pte_alloc_one_kernel(struct mm_struct *mm, unsigned long addr, gfp_t gfp_mask) { pte_t *pte; - pte = (pte_t *)__get_free_page(PGALLOC_GFP); + pte = (pte_t *)__get_free_page(gfp_mask | __GFP_NOTRACK | __GFP_ZERO); if (pte) clean_pte_table(pte); return pte; } +static inline pte_t * +pte_alloc_one_kernel(struct mm_struct *mm, unsigned long addr) +{ + return __pte_alloc_one_kernel(mm, addr, GFP_KERNEL | __GFP_REPEAT); +} + static inline pgtable_t pte_alloc_one(struct mm_struct *mm, unsigned long addr) { -- 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/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: email@kvack.org