linux-kernel - Re: [RFC][PATCH v3 19/22] mm, cris: add gfp flags variant of pte allocations

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Date:	Fri, 18 Mar 2011 20:07:31 +0000
From:	Prasad Joshi <prasadjoshi124@...il.com>
To:	starvik@...s.com, jesper.nilsson@...s.com,
	linux-cris-kernel@...s.com, linux-kernel@...r.kernel.org,
	prasadjoshi124@...il.com, mitra@...nfotech.com
Subject: Re: [RFC][PATCH v3 19/22] mm, cris: add gfp flags variant of pte
 allocations


 - Added __pte_alloc_one_kernel to allocate page using specified GFP flag
 - 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 <prasadjoshi124@...il.com>
Signed-off-by: Anand Mitra <mitra@...nfotech.com>
---
 arch/cris/include/asm/pgalloc.h |   10 ++++++++--
 1 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/arch/cris/include/asm/pgalloc.h b/arch/cris/include/asm/pgalloc.h
index 6da975d..20254ee 100644
--- a/arch/cris/include/asm/pgalloc.h
+++ b/arch/cris/include/asm/pgalloc.h
@@ -22,10 +22,16 @@ 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_REPEAT|__GFP_ZERO);
- 	return pte;
+	return __pte_alloc_one_kernel(mm, address, GFP_KERNEL | __GFP_REPEAT);
 }
 
 static inline pgtable_t pte_alloc_one(struct mm_struct *mm, unsigned long address)
-- 
1.7.0.4

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