Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932392Ab1CRUFO (ORCPT ); Fri, 18 Mar 2011 16:05:14 -0400 Received: from mail-ww0-f44.google.com ([74.125.82.44]:36582 "EHLO mail-ww0-f44.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756818Ab1CRUFI (ORCPT ); Fri, 18 Mar 2011 16:05:08 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=date:from:to:subject:message-id:references:mime-version :content-type:content-disposition:in-reply-to:user-agent; b=SfjGjwjZzDvwNsozc/FyfbX/JP1FHJC42K/zN9i4Gg969pi+EL56TGLr/vJOte1NAC 6HdBApB+pPsglIdLhoe3QhCM4HjbOt5+90bKemQf/EA5btayLIuU5bjAXi9/ZWN/HpQO YL2zUFC8wL0+Il9kvhXpDvX4Tg+5LAQeNTNaM= Date: Fri, 18 Mar 2011 20:05:47 +0000 From: Prasad Joshi To: tony.luck@intel.com, fenghua.yu@intel.com, linux-ia64@vger.kernel.org, linux-kernel@vger.kernel.org, prasadjoshi124@gmail.com, mitra@kqinfotech.com Subject: Re: [RFC][PATCH v3 17/22] mm, ia64: add gfp flags variant of pud, pmd and pte allocations Message-ID: <20110318200547.GR4746@prasad-kvm> References: <20110318195307.GH4746@prasad-kvm> <20110318195507.GI4746@prasad-kvm> <20110318195643.GJ4746@prasad-kvm> <20110318195754.GK4746@prasad-kvm> <20110318195926.GL4746@prasad-kvm> <20110318200045.GM4746@prasad-kvm> <20110318200150.GN4746@prasad-kvm> <20110318200254.GO4746@prasad-kvm> <20110318200401.GP4746@prasad-kvm> <20110318200452.GQ4746@prasad-kvm> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20110318200452.GQ4746@prasad-kvm> User-Agent: Mutt/1.5.20 (2009-06-14) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2602 Lines: 81 - Added __pud_alloc_one which allows caller to specify the gfp_t flag. Like pud_alloc_one the function calls quicklist_alloc() and passes the given allocation flag. - Changed pud_alloc_one to call __pud_alloc_one using GFP_KERNEL. - Added similar changes for pte and pmd allocation functions. - Helps in fixing the Bug 30702. Signed-off-by: Prasad Joshi Signed-off-by: Anand Mitra --- arch/ia64/include/asm/pgalloc.h | 24 +++++++++++++++++++++--- 1 files changed, 21 insertions(+), 3 deletions(-) diff --git a/arch/ia64/include/asm/pgalloc.h b/arch/ia64/include/asm/pgalloc.h index 96a8d92..0e46e47 100644 --- a/arch/ia64/include/asm/pgalloc.h +++ b/arch/ia64/include/asm/pgalloc.h @@ -39,9 +39,15 @@ pgd_populate(struct mm_struct *mm, pgd_t * pgd_entry, pud_t * pud) pgd_val(*pgd_entry) = __pa(pud); } +static inline pud_t * +__pud_alloc_one(struct mm_struct *mm, unsigned long addr, gfp_t gfp_mask) +{ + return quicklist_alloc(0, gfp_mask, NULL); +} + static inline pud_t *pud_alloc_one(struct mm_struct *mm, unsigned long addr) { - return quicklist_alloc(0, GFP_KERNEL, NULL); + return __pud_alloc_one(mm, addr, GFP_KERNEL); } static inline void pud_free(struct mm_struct *mm, pud_t *pud) @@ -57,9 +63,15 @@ pud_populate(struct mm_struct *mm, pud_t * pud_entry, pmd_t * pmd) pud_val(*pud_entry) = __pa(pmd); } +static inline pmd_t * +__pmd_alloc_one(struct mm_struct *mm, unsigned long addr, gfp_t gfp_mask) +{ + return quicklist_alloc(0, gfp_mask, NULL); +} + static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long addr) { - return quicklist_alloc(0, GFP_KERNEL, NULL); + return __pmd_alloc_one(mm, addr, GFP_KERNEL); } static inline void pmd_free(struct mm_struct *mm, pmd_t *pmd) @@ -95,10 +107,16 @@ static inline pgtable_t pte_alloc_one(struct mm_struct *mm, unsigned long addr) return page; } +static inline pte_t *__pte_alloc_one_kernel(struct mm_struct *mm, + unsigned long addr, gfp_t gfp_mask) +{ + return quicklist_alloc(0, gfp_mask, NULL); +} + static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm, unsigned long addr) { - return quicklist_alloc(0, GFP_KERNEL, NULL); + return __pte_alloc_one_kernel(mm, addr, GFP_KERNEL); } static inline void pte_free(struct mm_struct *mm, pgtable_t pte) -- 1.7.0.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/