Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932366Ab1CRUER (ORCPT ); Fri, 18 Mar 2011 16:04:17 -0400 Received: from mail-ww0-f42.google.com ([74.125.82.42]:42156 "EHLO mail-ww0-f42.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757239Ab1CRUEN (ORCPT ); Fri, 18 Mar 2011 16:04:13 -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=MUNyXKxW6F6KULfU0IsUVi4EoSSf33FU+r0sCo9+C9ZpKjmhlP0cu/xzxbTtZ27Pgb 02pJmrrnEyGf8T6yMkRjcI9NewOPOFyOWvzT5KL4Zhfxpl84YlEM8YDMdLF2cCXQ+LKc NJnR45qegCKDf2C0B16DiohqBMM4rBJwXXRlQ= Date: Fri, 18 Mar 2011 20:04:52 +0000 From: Prasad Joshi To: takata@linux-m32r.org, linux-m32r@ml.linux-m32r.org, linux-m32r-ja@ml.linux-m32r.org, linux-kernel@vger.kernel.org, prasadjoshi124@gmail.com, mitra@kqinfotech.com Subject: Re: [RFC][PATCH v3 16/22] mm, m32r: add gfp flags variant of pmd and pte allocations Message-ID: <20110318200452.GQ4746@prasad-kvm> References: <20110318195141.GG4746@prasad-kvm> <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> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20110318200401.GP4746@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: 1996 Lines: 58 - Added function __pmd_alloc_one which is same as pmd_alloc_one, but accepts an extra argument for gfp_t flag. - Added function __pte_alloc_one_kernel to allocated zeroed page using allocation flag passed as an argument. - Changed pte_alloc_one_kernel to call __pte_alloc_one_kernel using GFP_KERNEL allocation flag. - Helps in fixing the Bug 30702 Signed-off-by: Prasad Joshi Signed-off-by: Anand Mitra --- arch/m32r/include/asm/pgalloc.h | 11 ++++++++--- 1 files changed, 8 insertions(+), 3 deletions(-) diff --git a/arch/m32r/include/asm/pgalloc.h b/arch/m32r/include/asm/pgalloc.h index 0fc7361..0c1e4ae 100644 --- a/arch/m32r/include/asm/pgalloc.h +++ b/arch/m32r/include/asm/pgalloc.h @@ -30,12 +30,16 @@ static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd) free_page((unsigned long)pgd); } +static __inline__ pte_t *__pte_alloc_one_kernel(struct mm_struct *mm, + unsigned long address, gfp_t gfp_mask) +{ + return (pte_t *)__get_free_page(gfp_mask | __GFP_ZERO); +} + static __inline__ pte_t *pte_alloc_one_kernel(struct mm_struct *mm, unsigned long address) { - pte_t *pte = (pte_t *)__get_free_page(GFP_KERNEL|__GFP_ZERO); - - return pte; + return __pte_alloc_one_kernel(mm, address, GFP_KERNEL); } static __inline__ pgtable_t pte_alloc_one(struct mm_struct *mm, @@ -66,6 +70,7 @@ static inline void pte_free(struct mm_struct *mm, pgtable_t pte) * (In the PAE case we free the pmds as part of the pgd.) */ +#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, x) do { } while (0) #define __pmd_free_tlb(tlb, x, addr) do { } while (0) -- 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/