diff options
Diffstat (limited to 'mm/page-writeback.c')
| -rw-r--r-- | mm/page-writeback.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/mm/page-writeback.c b/mm/page-writeback.c index 7300c9d5e1d..cdc377c456c 100644 --- a/mm/page-writeback.c +++ b/mm/page-writeback.c @@ -241,6 +241,9 @@ static unsigned long global_dirtyable_memory(void) if (!vm_highmem_is_dirtyable) x -= highmem_dirtyable_memory(x); + /* Subtract min_free_kbytes */ + x -= min_t(unsigned long, x, min_free_kbytes >> (PAGE_SHIFT - 10)); + return x + 1; /* Ensure that we never return 0 */ } |