[RFC][PATCH 05/25]: Propagating GFP_NOFS inside __vmalloc()

[Prasad Joshi <prasadjoshi124@xxxxxxxxx>]

PARISC changes

Signed-off-by: Anand Mitra <mitra@xxxxxxxxxxxxxx>
Signed-off-by: Prasad Joshi <prasadjoshi124@xxxxxxxxx>
---
diff --git a/arch/parisc/include/asm/pgalloc.h
b/arch/parisc/include/asm/pgalloc.h
index fc987a1..b09e358 100644
--- a/arch/parisc/include/asm/pgalloc.h
+++ b/arch/parisc/include/asm/pgalloc.h
@@ -61,15 +61,21 @@ static inline void pgd_populate(struct mm_struct
*mm, pgd_t *pgd, pmd_t *pmd)
                (__u32)(__pa((unsigned long)pmd) >> PxD_VALUE_SHIFT));
 }

-static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long address)
+static inline pmd_t *
+__pmd_alloc_one(struct mm_struct *mm, unsigned long address, gfp_t gfp_mask)
 {
-   pmd_t *pmd = (pmd_t *)__get_free_pages(GFP_KERNEL|__GFP_REPEAT,
+   pmd_t *pmd = (pmd_t *)__get_free_pages(gfp_mask|__GFP_REPEAT,
                           PMD_ORDER);
    if (pmd)
        memset(pmd, 0, PAGE_SIZE<<PMD_ORDER);
    return pmd;
 }

+static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long address)
+{
+   return __pmd_alloc_one(mm, address, GFP_KERNEL);
+}
+
 static inline void pmd_free(struct mm_struct *mm, pmd_t *pmd)
 {
 #ifdef CONFIG_64BIT
@@ -90,6 +96,7 @@ static inline void pmd_free(struct mm_struct *mm, pmd_t *pmd)
  * inside the pgd, so has no extra memory associated with it.
  */

+#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 pgd_populate(mm, pmd, pte) BUG()
@@ -127,10 +134,15 @@ pte_alloc_one(struct mm_struct *mm, unsigned long address)
 }

 static inline pte_t *
+__pte_alloc_one_kernel(struct mm_struct *mm, unsigned long addr,
gfp_t gfp_mask)
+{
+   return (pte_t *)__get_free_page(gfp_mask|__GFP_REPEAT|__GFP_ZERO);
+}
+
+static inline pte_t *
 pte_alloc_one_kernel(struct mm_struct *mm, unsigned long addr)
 {
-   pte_t *pte = (pte_t *)__get_free_page(GFP_KERNEL|__GFP_REPEAT|__GFP_ZERO);
-   return pte;
+   return __pte_alloc_one_kernel(mm, addr, GFP_KERNEL);
 }

 static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte)

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