diff options
Diffstat (limited to 'mm/page_alloc.c')
| -rw-r--r-- | mm/page_alloc.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 191f0f95d3ed..bc62bb2a3b13 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -6653,7 +6653,7 @@ static bool try_to_accept_memory_one(struct zone *zone) static bool cond_accept_memory(struct zone *zone, unsigned int order) { - long to_accept; + long to_accept, wmark; bool ret = false; if (!has_unaccepted_memory()) @@ -6662,8 +6662,18 @@ static bool cond_accept_memory(struct zone *zone, unsigned int order) if (list_empty(&zone->unaccepted_pages)) return false; + wmark = high_wmark_pages(zone); + + /* + * Watermarks have not been initialized yet. + * + * Accepting one MAX_ORDER page to ensure progress. + */ + if (!wmark) + return try_to_accept_memory_one(zone); + /* How much to accept to get to high watermark? */ - to_accept = high_wmark_pages(zone) - + to_accept = wmark - (zone_page_state(zone, NR_FREE_PAGES) - __zone_watermark_unusable_free(zone, order, 0) - zone_page_state(zone, NR_UNACCEPTED)); |