From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wi0-f180.google.com (mail-wi0-f180.google.com [209.85.212.180]) by kanga.kvack.org (Postfix) with ESMTP id 3597B6B00A5 for ; Wed, 16 Jul 2014 09:49:25 -0400 (EDT) Received: by mail-wi0-f180.google.com with SMTP id n3so1371143wiv.7 for ; Wed, 16 Jul 2014 06:49:24 -0700 (PDT) Received: from mx2.suse.de (cantor2.suse.de. [195.135.220.15]) by mx.google.com with ESMTPS id j15si24099303wjn.21.2014.07.16.06.49.07 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Wed, 16 Jul 2014 06:49:07 -0700 (PDT) From: Vlastimil Babka Subject: [PATCH V4 13/15] mm, compaction: pass gfp mask to compact_control Date: Wed, 16 Jul 2014 15:48:21 +0200 Message-Id: <1405518503-27687-14-git-send-email-vbabka@suse.cz> In-Reply-To: <1405518503-27687-1-git-send-email-vbabka@suse.cz> References: <1405518503-27687-1-git-send-email-vbabka@suse.cz> Sender: owner-linux-mm@kvack.org List-ID: To: linux-mm@kvack.org, Andrew Morton , David Rientjes Cc: linux-kernel@vger.kernel.org, Vlastimil Babka , Mel Gorman , Joonsoo Kim , Michal Nazarewicz , Naoya Horiguchi , Christoph Lameter , Rik van Riel , Minchan Kim , Zhang Yanfei From: David Rientjes struct compact_control currently converts the gfp mask to a migratetype, but we need the entire gfp mask in a follow-up patch. Pass the entire gfp mask as part of struct compact_control. Signed-off-by: David Rientjes Signed-off-by: Vlastimil Babka Reviewed-by: Zhang Yanfei Acked-by: Minchan Kim Cc: Mel Gorman Cc: Joonsoo Kim Cc: Michal Nazarewicz Cc: Naoya Horiguchi Cc: Christoph Lameter Cc: Rik van Riel --- mm/compaction.c | 12 +++++++----- mm/internal.h | 2 +- 2 files changed, 8 insertions(+), 6 deletions(-) diff --git a/mm/compaction.c b/mm/compaction.c index 523c7bd..279c0b0 100644 --- a/mm/compaction.c +++ b/mm/compaction.c @@ -1028,8 +1028,8 @@ static isolate_migrate_t isolate_migratepages(struct zone *zone, return cc->nr_migratepages ? ISOLATE_SUCCESS : ISOLATE_NONE; } -static int compact_finished(struct zone *zone, - struct compact_control *cc) +static int compact_finished(struct zone *zone, struct compact_control *cc, + const int migratetype) { unsigned int order; unsigned long watermark; @@ -1075,7 +1075,7 @@ static int compact_finished(struct zone *zone, struct free_area *area = &zone->free_area[order]; /* Job done if page is free of the right migratetype */ - if (!list_empty(&area->free_list[cc->migratetype])) + if (!list_empty(&area->free_list[migratetype])) return COMPACT_PARTIAL; /* Job done if allocation would set block type */ @@ -1141,6 +1141,7 @@ static int compact_zone(struct zone *zone, struct compact_control *cc) int ret; unsigned long start_pfn = zone->zone_start_pfn; unsigned long end_pfn = zone_end_pfn(zone); + const int migratetype = gfpflags_to_migratetype(cc->gfp_mask); const bool sync = cc->mode != MIGRATE_ASYNC; ret = compaction_suitable(zone, cc->order); @@ -1183,7 +1184,8 @@ static int compact_zone(struct zone *zone, struct compact_control *cc) migrate_prep_local(); - while ((ret = compact_finished(zone, cc)) == COMPACT_CONTINUE) { + while ((ret = compact_finished(zone, cc, migratetype)) == + COMPACT_CONTINUE) { int err; switch (isolate_migratepages(zone, cc)) { @@ -1238,7 +1240,7 @@ static unsigned long compact_zone_order(struct zone *zone, int order, .nr_freepages = 0, .nr_migratepages = 0, .order = order, - .migratetype = gfpflags_to_migratetype(gfp_mask), + .gfp_mask = gfp_mask, .zone = zone, .mode = mode, }; diff --git a/mm/internal.h b/mm/internal.h index 86ae964..8293040 100644 --- a/mm/internal.h +++ b/mm/internal.h @@ -142,7 +142,7 @@ struct compact_control { bool finished_update_migrate; int order; /* order a direct compactor needs */ - int migratetype; /* MOVABLE, RECLAIMABLE etc */ + const gfp_t gfp_mask; /* gfp mask of a direct compactor */ struct zone *zone; int contended; /* Signal need_sched() or lock * contention detected during -- 1.8.4.5 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org