diff options
Diffstat (limited to 'mm/mmap.c')
-rw-r--r-- | mm/mmap.c | 11 |
1 files changed, 7 insertions, 4 deletions
@@ -1767,10 +1767,13 @@ int expand_upwards(struct vm_area_struct *vma, unsigned long address) | |||
1767 | size = address - vma->vm_start; | 1767 | size = address - vma->vm_start; |
1768 | grow = (address - vma->vm_end) >> PAGE_SHIFT; | 1768 | grow = (address - vma->vm_end) >> PAGE_SHIFT; |
1769 | 1769 | ||
1770 | error = acct_stack_growth(vma, size, grow); | 1770 | error = -ENOMEM; |
1771 | if (!error) { | 1771 | if (vma->vm_pgoff + (size >> PAGE_SHIFT) >= vma->vm_pgoff) { |
1772 | vma->vm_end = address; | 1772 | error = acct_stack_growth(vma, size, grow); |
1773 | perf_event_mmap(vma); | 1773 | if (!error) { |
1774 | vma->vm_end = address; | ||
1775 | perf_event_mmap(vma); | ||
1776 | } | ||
1774 | } | 1777 | } |
1775 | } | 1778 | } |
1776 | vma_unlock_anon_vma(vma); | 1779 | vma_unlock_anon_vma(vma); |