diff options
-rw-r--r-- | mm/page_alloc.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 987225bdd661..b37dc0f78d07 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c | |||
@@ -895,6 +895,7 @@ zone_reclaim_retry: | |||
895 | if (((p->flags & PF_MEMALLOC) || unlikely(test_thread_flag(TIF_MEMDIE))) | 895 | if (((p->flags & PF_MEMALLOC) || unlikely(test_thread_flag(TIF_MEMDIE))) |
896 | && !in_interrupt()) { | 896 | && !in_interrupt()) { |
897 | if (!(gfp_mask & __GFP_NOMEMALLOC)) { | 897 | if (!(gfp_mask & __GFP_NOMEMALLOC)) { |
898 | nofail_alloc: | ||
898 | /* go through the zonelist yet again, ignoring mins */ | 899 | /* go through the zonelist yet again, ignoring mins */ |
899 | for (i = 0; (z = zones[i]) != NULL; i++) { | 900 | for (i = 0; (z = zones[i]) != NULL; i++) { |
900 | if (!cpuset_zone_allowed(z, gfp_mask)) | 901 | if (!cpuset_zone_allowed(z, gfp_mask)) |
@@ -903,6 +904,10 @@ zone_reclaim_retry: | |||
903 | if (page) | 904 | if (page) |
904 | goto got_pg; | 905 | goto got_pg; |
905 | } | 906 | } |
907 | if (gfp_mask & __GFP_NOFAIL) { | ||
908 | blk_congestion_wait(WRITE, HZ/50); | ||
909 | goto nofail_alloc; | ||
910 | } | ||
906 | } | 911 | } |
907 | goto nopage; | 912 | goto nopage; |
908 | } | 913 | } |