Loading mm/page_alloc.c +6 −9 Original line number Diff line number Diff line Loading @@ -3494,11 +3494,10 @@ bool gfp_pfmemalloc_allowed(gfp_t gfp_mask) /* * Checks whether it makes sense to retry the reclaim to make a forward progress * for the given allocation request. * The reclaim feedback represented by did_some_progress (any progress during * the last reclaim round) and no_progress_loops (number of reclaim rounds without * any progress in a row) is considered as well as the reclaimable pages on the * applicable zone list (with a backoff mechanism which is a function of * no_progress_loops). * * We give up when we either have tried MAX_RECLAIM_RETRIES in a row * without success, or when we couldn't even meet the watermark if we * reclaimed all remaining pages on the LRU lists. * * Returns true if a retry is viable or false to enter the oom path. */ Loading Loading @@ -3541,13 +3540,11 @@ should_reclaim_retry(gfp_t gfp_mask, unsigned order, unsigned long reclaimable; available = reclaimable = zone_reclaimable_pages(zone); available -= DIV_ROUND_UP((*no_progress_loops) * available, MAX_RECLAIM_RETRIES); available += zone_page_state_snapshot(zone, NR_FREE_PAGES); /* * Would the allocation succeed if we reclaimed the whole * available? * Would the allocation succeed if we reclaimed all * reclaimable pages? */ if (__zone_watermark_ok(zone, order, min_wmark_pages(zone), ac_classzone_idx(ac), alloc_flags, available)) { Loading Loading
mm/page_alloc.c +6 −9 Original line number Diff line number Diff line Loading @@ -3494,11 +3494,10 @@ bool gfp_pfmemalloc_allowed(gfp_t gfp_mask) /* * Checks whether it makes sense to retry the reclaim to make a forward progress * for the given allocation request. * The reclaim feedback represented by did_some_progress (any progress during * the last reclaim round) and no_progress_loops (number of reclaim rounds without * any progress in a row) is considered as well as the reclaimable pages on the * applicable zone list (with a backoff mechanism which is a function of * no_progress_loops). * * We give up when we either have tried MAX_RECLAIM_RETRIES in a row * without success, or when we couldn't even meet the watermark if we * reclaimed all remaining pages on the LRU lists. * * Returns true if a retry is viable or false to enter the oom path. */ Loading Loading @@ -3541,13 +3540,11 @@ should_reclaim_retry(gfp_t gfp_mask, unsigned order, unsigned long reclaimable; available = reclaimable = zone_reclaimable_pages(zone); available -= DIV_ROUND_UP((*no_progress_loops) * available, MAX_RECLAIM_RETRIES); available += zone_page_state_snapshot(zone, NR_FREE_PAGES); /* * Would the allocation succeed if we reclaimed the whole * available? * Would the allocation succeed if we reclaimed all * reclaimable pages? */ if (__zone_watermark_ok(zone, order, min_wmark_pages(zone), ac_classzone_idx(ac), alloc_flags, available)) { Loading
