[RFC][PATCH 06/25]: Propagating GFP_NOFS inside __vmalloc()

[RFC][PATCH 06/25]: Propagating GFP_NOFS inside __vmalloc()

[Prasad Joshi]

Changes for PowerPC architecture.

Signed-off-by: Anand Mitra <mitra@kqinfotech.com>
Signed-off-by: Prasad Joshi <prasadjoshi124@gmail.com>
---
diff --git a/arch/powerpc/include/asm/pgalloc-32.h
b/arch/powerpc/include/asm/pgalloc-32.h
index 580cf73..21b7a94 100644
--- a/arch/powerpc/include/asm/pgalloc-32.h
+++ b/arch/powerpc/include/asm/pgalloc-32.h
@@ -35,6 +35,8 @@ extern void pgd_free(struct mm_struct *mm, pgd_t *pgd);
 #endif

 extern pte_t *pte_alloc_one_kernel(struct mm_struct *mm, unsigned long addr);
+extern pte_t *__pte_alloc_one_kernel(struct mm_struct *, unsigned long, gfp_t);
+
 extern pgtable_t pte_alloc_one(struct mm_struct *mm, unsigned long addr);

 static inline void pgtable_free(void *table, unsigned index_size)
diff --git a/arch/powerpc/include/asm/pgalloc-64.h
b/arch/powerpc/include/asm/pgalloc-64.h
index 292725c..ed0c62e 100644
--- a/arch/powerpc/include/asm/pgalloc-64.h
+++ b/arch/powerpc/include/asm/pgalloc-64.h
@@ -51,10 +51,16 @@ static inline void pgd_free(struct mm_struct *mm,
pgd_t *pgd)

 #define pgd_populate(MM, PGD, PUD) pgd_set(PGD, PUD)

-static inline pud_t *pud_alloc_one(struct mm_struct *mm, unsigned long addr)
+static inline pud_t *
+__pud_alloc_one(struct mm_struct *mm, unsigned long addr, gfp_t gfp_mask)
 {
    return kmem_cache_alloc(PGT_CACHE(PUD_INDEX_SIZE),
-               GFP_KERNEL|__GFP_REPEAT);
+               gfp_mask|__GFP_REPEAT);
+}
+
+static inline pud_t *pud_alloc_one(struct mm_struct *mm, unsigned long addr)
+{
+   return __pud_alloc_one(mm, addr, GFP_KERNEL);
 }

 static inline void pud_free(struct mm_struct *mm, pud_t *pud)
@@ -89,10 +95,16 @@ static inline void pmd_populate_kernel(struct
mm_struct *mm, pmd_t *pmd,

 #endif /* CONFIG_PPC_64K_PAGES */

-static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long addr)
+static inline pmd_t *
+__pmd_alloc_one(struct mm_struct *mm, unsigned long addr, gfp_t gfp_mask)
 {
    return kmem_cache_alloc(PGT_CACHE(PMD_INDEX_SIZE),
-               GFP_KERNEL|__GFP_REPEAT);
+               gfp_mask|__GFP_REPEAT);
+}
+
+static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long addr)
+{
+   return __pmd_alloc_one(mm, addr, GFP_KERNEL);
 }

 static inline void pmd_free(struct mm_struct *mm, pmd_t *pmd)
@@ -100,10 +112,17 @@ static inline void pmd_free(struct mm_struct
*mm, pmd_t *pmd)
    kmem_cache_free(PGT_CACHE(PMD_INDEX_SIZE), pmd);
 }

+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_REPEAT | __GFP_ZERO);
+}
+
 static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm,
                      unsigned long address)
 {
-        return (pte_t *)__get_free_page(GFP_KERNEL | __GFP_REPEAT |
__GFP_ZERO);
+   return __pte_alloc_one_kernel(mm, address, GFP_KERNEL);
 }

 static inline pgtable_t pte_alloc_one(struct mm_struct *mm,
diff --git a/arch/powerpc/mm/pgtable_32.c b/arch/powerpc/mm/pgtable_32.c
index 8dc41c0..8e3c0b4 100644
--- a/arch/powerpc/mm/pgtable_32.c
+++ b/arch/powerpc/mm/pgtable_32.c
@@ -95,14 +95,15 @@ void pgd_free(struct mm_struct *mm, pgd_t *pgd)
 #endif
 }

-__init_refok pte_t *pte_alloc_one_kernel(struct mm_struct *mm,
unsigned long address)
+__init_refok pte_t *
+__pte_alloc_one_kernel(struct mm_struct *mm, unsigned long address,
gfp_t gfp_mask)
 {
    pte_t *pte;
    extern int mem_init_done;
    extern void *early_get_page(void);

    if (mem_init_done) {
-       pte = (pte_t *)__get_free_page(GFP_KERNEL|__GFP_REPEAT|__GFP_ZERO);
+       pte = (pte_t *)__get_free_page(gfp_mask|__GFP_REPEAT|__GFP_ZERO);
    } else {
        pte = (pte_t *)early_get_page();
        if (pte)
@@ -111,6 +112,11 @@ __init_refok pte_t *pte_alloc_one_kernel(struct
mm_struct *mm, unsigned long add
    return pte;
 }

+__init_refok pte_t *pte_alloc_one_kernel(struct mm_struct *mm,
unsigned long address)
+{
+   return __pte_alloc_one_kernel(mm, address, GFP_KERNEL);
+}
+
 pgtable_t pte_alloc_one(struct mm_struct *mm, unsigned long address)
 {
    struct page *ptepage;

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