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From: Prasad Joshi <prasadjoshi124@gmail.com>
To: linux-mm@kvack.org, Andrew Morton <akpm@linux-foundation.org>,
	Anand Mitra <mitra@kqinfotech.com>
Subject: [RFC][PATCH 07/25]: Propagating GFP_NOFS inside __vmalloc()
Date: Fri, 11 Mar 2011 20:52:30 +0000	[thread overview]
Message-ID: <AANLkTi=NzMBDBN0rPaX3_o2NWo_BmoWCxd7ybOaTRkNN@mail.gmail.com> (raw)

Changes for ARM.

Signed-off-by: Anand Mitra <mitra@kqinfotech.com>
Signed-off-by: Prasad Joshi <prasadjoshi124@gmail.com>
---
diff --git a/arch/arm/include/asm/pgalloc.h b/arch/arm/include/asm/pgalloc.h
index 22de005..8cbb4f7 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 +60,24 @@ 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_REPEAT | __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);
+}
+
 static inline pgtable_t
 pte_alloc_one(struct mm_struct *mm, unsigned long addr)
 {

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                 reply	other threads:[~2011-03-11 20:52 UTC|newest]

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