diff options
Diffstat (limited to 'fs/btrfs/extent_io.c')
| -rw-r--r-- | fs/btrfs/extent_io.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c index cfcbfd5a5467..50626f487599 100644 --- a/fs/btrfs/extent_io.c +++ b/fs/btrfs/extent_io.c @@ -6,6 +6,7 @@ #include <linux/mm.h> #include <linux/pagemap.h> #include <linux/page-flags.h> +#include <linux/sched/mm.h> #include <linux/spinlock.h> #include <linux/blkdev.h> #include <linux/swap.h> @@ -3153,6 +3154,9 @@ int btrfs_alloc_page_array(unsigned int nr_pages, struct page **page_array) allocated = alloc_pages_bulk_array(GFP_NOFS, nr_pages, page_array); + if (allocated == nr_pages) + return 0; + /* * During this iteration, no page could be allocated, even * though alloc_pages_bulk_array() falls back to alloc_page() @@ -3160,6 +3164,8 @@ int btrfs_alloc_page_array(unsigned int nr_pages, struct page **page_array) */ if (allocated == last) return -ENOMEM; + + memalloc_retry_wait(GFP_NOFS); } return 0; } |