summaryrefslogtreecommitdiffstats
path: root/mm/mremap.c
diff options
context:
space:
mode:
Diffstat (limited to 'mm/mremap.c')
-rw-r--r--mm/mremap.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/mm/mremap.c b/mm/mremap.c
index 3b639a4..1b61c2d 100644
--- a/mm/mremap.c
+++ b/mm/mremap.c
@@ -149,11 +149,15 @@ unsigned long move_page_tables(struct vm_area_struct *vma,
unsigned long extent, next, old_end;
pmd_t *old_pmd, *new_pmd;
bool need_flush = false;
+ unsigned long mmun_start; /* For mmu_notifiers */
+ unsigned long mmun_end; /* For mmu_notifiers */
old_end = old_addr + len;
flush_cache_range(vma, old_addr, old_end);
- mmu_notifier_invalidate_range_start(vma->vm_mm, old_addr, old_end);
+ mmun_start = old_addr;
+ mmun_end = old_end;
+ mmu_notifier_invalidate_range_start(vma->vm_mm, mmun_start, mmun_end);
for (; old_addr < old_end; old_addr += extent, new_addr += extent) {
cond_resched();
@@ -197,7 +201,7 @@ unsigned long move_page_tables(struct vm_area_struct *vma,
if (likely(need_flush))
flush_tlb_range(vma, old_end-len, old_addr);
- mmu_notifier_invalidate_range_end(vma->vm_mm, old_end-len, old_end);
+ mmu_notifier_invalidate_range_end(vma->vm_mm, mmun_start, mmun_end);
return len + old_addr - old_end; /* how much done */
}
OpenPOWER on IntegriCloud