diff options
Diffstat (limited to 'include/linux/mm.h')
-rw-r--r-- | include/linux/mm.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/mm.h b/include/linux/mm.h index e6b1210772c..74949fbef8c 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h | |||
@@ -864,6 +864,12 @@ int set_page_dirty(struct page *page); | |||
864 | int set_page_dirty_lock(struct page *page); | 864 | int set_page_dirty_lock(struct page *page); |
865 | int clear_page_dirty_for_io(struct page *page); | 865 | int clear_page_dirty_for_io(struct page *page); |
866 | 866 | ||
867 | /* Is the vma a continuation of the stack vma above it? */ | ||
868 | static inline int vma_stack_continue(struct vm_area_struct *vma, unsigned long addr) | ||
869 | { | ||
870 | return vma && (vma->vm_end == addr) && (vma->vm_flags & VM_GROWSDOWN); | ||
871 | } | ||
872 | |||
867 | extern unsigned long move_page_tables(struct vm_area_struct *vma, | 873 | extern unsigned long move_page_tables(struct vm_area_struct *vma, |
868 | unsigned long old_addr, struct vm_area_struct *new_vma, | 874 | unsigned long old_addr, struct vm_area_struct *new_vma, |
869 | unsigned long new_addr, unsigned long len); | 875 | unsigned long new_addr, unsigned long len); |