Patched to 2.6.10-1.14_FC2.

[linux-2.6.git] / mm / mmap.c

diff --git a/mm/mmap.c b/mm/mmap.c
index 5fc8e01..9c2e112 100644 (file)
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -1440,8 +1440,7 @@ int expand_stack(struct vm_area_struct * vma, unsigned long address)
        address &= PAGE_MASK;
        grow = (address - vma->vm_end) >> PAGE_SHIFT;
 
-       /* Someone beat us to it */
-       if (grow <= 0) {
+       if (address < vma->vm_end) {
                anon_vma_unlock(vma);
                return 0;
        }
@@ -1517,8 +1516,7 @@ int expand_stack(struct vm_area_struct *vma, unsigned long address)
        address &= PAGE_MASK;
        grow = (vma->vm_start - address) >> PAGE_SHIFT;
 
-       /* Someone beat us to it */
-       if (grow <= 0) {
+       if (address >= vma->vm_start) {
                anon_vma_unlock(vma);
                return 0;
        }