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SubjectRe: [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@gmail.com>
Signed-off-by: Anand Mitra <mitra@kqinfotech.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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