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Commit cebe34e0 authored by qctecmdr's avatar qctecmdr Committed by Gerrit - the friendly Code Review server
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Merge "mm: reduce the time spend by killed tasks in alloc path"

parents 8e21ae55 d1b75390

mm/page_alloc.c

+3 −0
Original line number Diff line number Diff line
@@ -4339,6 +4339,9 @@ __alloc_pages_slowpath(gfp_t gfp_mask, unsigned int order, 
	if (current->flags & PF_MEMALLOC)

		goto nopage;



	if (fatal_signal_pending(current) && !(gfp_mask & __GFP_NOFAIL))

		goto nopage;



	/* Try direct reclaim and then allocating */

	page = __alloc_pages_direct_reclaim(gfp_mask, order, alloc_flags, ac,

							&did_some_progress);

mm/vmscan.c

+4 −4
Original line number Diff line number Diff line
@@ -1970,13 +1970,13 @@ shrink_inactive_list(unsigned long nr_to_scan, struct lruvec *lruvec, 
		if (stalled)

			return 0;



		/* wait a bit for the reclaimer. */

		msleep(100);

		stalled = true;



		/* We are about to die and free our memory. Return now. */

		if (fatal_signal_pending(current))

			return SWAP_CLUSTER_MAX;



		/* wait a bit for the reclaimer. */

		msleep(100);

		stalled = true;

	}



	lru_add_drain();