diff options
| -rw-r--r-- | mm/vmalloc.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/mm/vmalloc.c b/mm/vmalloc.c index 93b2dca2aadb..4c9e150e5ad3 100644 --- a/mm/vmalloc.c +++ b/mm/vmalloc.c @@ -2125,6 +2125,7 @@ static void vm_remove_mappings(struct vm_struct *area, int deallocate_pages) { unsigned long start = ULONG_MAX, end = 0; int flush_reset = area->flags & VM_FLUSH_RESET_PERMS; + int flush_dmap = 0; int i; /* @@ -2163,6 +2164,7 @@ static void vm_remove_mappings(struct vm_struct *area, int deallocate_pages) if (addr) { start = min(addr, start); end = max(addr + PAGE_SIZE, end); + flush_dmap = 1; } } @@ -2172,7 +2174,7 @@ static void vm_remove_mappings(struct vm_struct *area, int deallocate_pages) * reset the direct map permissions to the default. */ set_area_direct_map(area, set_direct_map_invalid_noflush); - _vm_unmap_aliases(start, end, 1); + _vm_unmap_aliases(start, end, flush_dmap); set_area_direct_map(area, set_direct_map_default_noflush); } |