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authorIngo Molnar <mingo@elte.hu>2010-10-08 09:14:51 +0200
committerIngo Molnar <mingo@elte.hu>2010-10-08 09:15:00 +0200
commit153db80f8cf74e8700cac96305b6c0b92918f17c (patch)
treec2afb28e7b3f4fbf0aacd9edd39d7f895321ca0c /include/linux/mm.h
parent5fd03ddab7fdbc44bfb2d183a4531c26a8dbca5a (diff)
parentcb655d0f3d57c23db51b981648e452988c0223f9 (diff)
downloadblackbird-op-linux-153db80f8cf74e8700cac96305b6c0b92918f17c.tar.gz
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Merge commit 'v2.6.36-rc7' into core/memblock
Merge reason: Update from -rc3 to -rc7. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/linux/mm.h')
-rw-r--r--include/linux/mm.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/mm.h b/include/linux/mm.h
index c0cceded7683..7687228dd3b7 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -864,6 +864,12 @@ int set_page_dirty(struct page *page);
int set_page_dirty_lock(struct page *page);
int clear_page_dirty_for_io(struct page *page);
+/* Is the vma a continuation of the stack vma above it? */
+static inline int vma_stack_continue(struct vm_area_struct *vma, unsigned long addr)
+{
+ return vma && (vma->vm_end == addr) && (vma->vm_flags & VM_GROWSDOWN);
+}
+
extern unsigned long move_page_tables(struct vm_area_struct *vma,
unsigned long old_addr, struct vm_area_struct *new_vma,
unsigned long new_addr, unsigned long len);
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