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| author | David S. Miller <davem@davemloft.net> | 2011-08-20 10:39:12 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2011-08-20 10:39:12 -0700 |
| commit | 823dcd2506fa369aeb8cbd26da5663efe2fda9a9 (patch) | |
| tree | 853b3e3c05f0b9ee1b5df8464db19b7acc57150c /include/linux/mm.h | |
| parent | eaa36660de7e174498618d69d7277d44a2f24c3d (diff) | |
| parent | 98e77438aed3cd3343cbb86825127b1d9d2bea33 (diff) | |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net
Diffstat (limited to 'include/linux/mm.h')
| -rw-r--r-- | include/linux/mm.h | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/include/linux/mm.h b/include/linux/mm.h index f2690cf49827..fd599f4bb846 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -962,6 +962,8 @@ int invalidate_inode_page(struct page *page); #ifdef CONFIG_MMU extern int handle_mm_fault(struct mm_struct *mm, struct vm_area_struct *vma, unsigned long address, unsigned int flags); +extern int fixup_user_fault(struct task_struct *tsk, struct mm_struct *mm, + unsigned long address, unsigned int fault_flags); #else static inline int handle_mm_fault(struct mm_struct *mm, struct vm_area_struct *vma, unsigned long address, @@ -971,6 +973,14 @@ static inline int handle_mm_fault(struct mm_struct *mm, BUG(); return VM_FAULT_SIGBUS; } +static inline int fixup_user_fault(struct task_struct *tsk, + struct mm_struct *mm, unsigned long address, + unsigned int fault_flags) +{ + /* should never happen if there's no MMU */ + BUG(); + return -EFAULT; +} #endif extern int make_pages_present(unsigned long addr, unsigned long end); @@ -988,8 +998,6 @@ int get_user_pages(struct task_struct *tsk, struct mm_struct *mm, int get_user_pages_fast(unsigned long start, int nr_pages, int write, struct page **pages); struct page *get_dump_page(unsigned long addr); -extern int fixup_user_fault(struct task_struct *tsk, struct mm_struct *mm, - unsigned long address, unsigned int fault_flags); extern int try_to_release_page(struct page * page, gfp_t gfp_mask); extern void do_invalidatepage(struct page *page, unsigned long offset); |