Signed-off-by: Anand Mitra <mitra@xxxxxxxxxxxxxx>
Signed-off-by: Prasad Joshi <prasadjoshi124@xxxxxxxxx>
---
diff --git a/include/linux/mm.h b/include/linux/mm.h
index f6385fc..5ff89df 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -1156,44 +1156,60 @@ static inline pte_t *get_locked_pte(struct
mm_struct *mm, unsigned long addr,
#ifdef __PAGETABLE_PUD_FOLDED
static inline int __pud_alloc(struct mm_struct *mm, pgd_t *pgd,
- unsigned long address)
+ unsigned long address, gfp_t gfp_mask)
{
return 0;
}
#else
-int __pud_alloc(struct mm_struct *mm, pgd_t *pgd, unsigned long address);
+int __pud_alloc(struct mm_struct *mm, pgd_t *pgd, unsigned long address,
+ gfp_t gfp_mask);
#endif
#ifdef __PAGETABLE_PMD_FOLDED
static inline int __pmd_alloc(struct mm_struct *mm, pud_t *pud,
- unsigned long address)
+ unsigned long address, gfp_t gfp_mask)
{
return 0;
}
#else
-int __pmd_alloc(struct mm_struct *mm, pud_t *pud, unsigned long address);
+int __pmd_alloc(struct mm_struct *mm, pud_t *pud, unsigned long address,
+ gfp_t gfp_mask);
#endif
int __pte_alloc(struct mm_struct *mm, struct vm_area_struct *vma,
pmd_t *pmd, unsigned long address);
-int __pte_alloc_kernel(pmd_t *pmd, unsigned long address);
+int __pte_alloc_kernel(pmd_t *pmd, unsigned long address, gfp_t gfp_mask);
/*
* The following ifdef needed to get the 4level-fixup.h header to work.
* Remove it when 4level-fixup.h has been removed.
*/
#if defined(CONFIG_MMU) && !defined(__ARCH_HAS_4LEVEL_HACK)
-static inline pud_t *pud_alloc(struct mm_struct *mm, pgd_t *pgd,
unsigned long address)
+static inline pud_t *pud_alloc_with_mask(struct mm_struct *mm, pgd_t *pgd,
+ unsigned long address, gfp_t gfp_mask)
{
- return (unlikely(pgd_none(*pgd)) && __pud_alloc(mm, pgd, address))?
+ return (unlikely(pgd_none(*pgd)) && __pud_alloc(mm, pgd, address,
gfp_mask))?
NULL: pud_offset(pgd, address);
}
-static inline pmd_t *pmd_alloc(struct mm_struct *mm, pud_t *pud,
unsigned long address)
+static inline pud_t *pud_alloc(struct mm_struct *mm, pgd_t *pgd,
+ unsigned long address)
{
- return (unlikely(pud_none(*pud)) && __pmd_alloc(mm, pud, address))?
+ return pud_alloc_with_mask(mm, pgd, address, GFP_KERNEL);
+}
+
+static inline pmd_t *pmd_alloc_with_mask(struct mm_struct *mm, pud_t *pud,
+ unsigned long address, gfp_t gfp_mask)
+{
+ return (unlikely(pud_none(*pud)) && __pmd_alloc(mm, pud, address,
gfp_mask))?
NULL: pmd_offset(pud, address);
}
+
+static inline pmd_t *pmd_alloc(struct mm_struct *mm, pud_t *pud,
+ unsigned long address)
+{
+ return pmd_alloc_with_mask(mm, pud, address, GFP_KERNEL);
+}
#endif /* CONFIG_MMU && !__ARCH_HAS_4LEVEL_HACK */
#if USE_SPLIT_PTLOCKS
@@ -1254,8 +1270,12 @@ static inline void pgtable_page_dtor(struct page *page)
pmd, address))? \
NULL: pte_offset_map_lock(mm, pmd, address, ptlp))
+#define pte_alloc_kernel_with_mask(pmd, address, mask) \
+ ((unlikely(pmd_none(*(pmd))) && __pte_alloc_kernel(pmd, address, mask))? \
+ NULL: pte_offset_kernel(pmd, address))
+
#define pte_alloc_kernel(pmd, address) \
- ((unlikely(pmd_none(*(pmd))) && __pte_alloc_kernel(pmd, address))? \
+ ((unlikely(pmd_none(*(pmd))) && __pte_alloc_kernel(pmd, address,
GFP_KERNEL))? \
NULL: pte_offset_kernel(pmd, address))
extern void free_area_init(unsigned long * zones_size);
--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@xxxxxxxxxx For more info on Linux MM,
see: http://www.linux-mm.org/ .
Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/
Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>