[PATCH v2 06/10] mm, compaction: add migratetype to compact_control
From: Vlastimil Babka <hidden>
Date: 2017-02-10 19:13:46
Also in:
lkml
Subsystem:
memory management, memory management - core, memory management - page allocator, the rest · Maintainers:
Andrew Morton, David Hildenbrand, Vlastimil Babka, Linus Torvalds
Preparation patch. We are going to need migratetype at lower layers than compact_zone() and compact_finished(). Signed-off-by: Vlastimil Babka <redacted> --- mm/compaction.c | 15 +++++++-------- mm/internal.h | 1 + 2 files changed, 8 insertions(+), 8 deletions(-)
diff --git a/mm/compaction.c b/mm/compaction.c
index 6c477025c3da..b7094700712b 100644
--- a/mm/compaction.c
+++ b/mm/compaction.c@@ -1290,10 +1290,11 @@ static inline bool is_via_compact_memory(int order) return order == -1; } -static enum compact_result __compact_finished(struct zone *zone, struct compact_control *cc, - const int migratetype) +static enum compact_result __compact_finished(struct zone *zone, + struct compact_control *cc) { unsigned int order; + const int migratetype = cc->migratetype; if (cc->contended || fatal_signal_pending(current)) return COMPACT_CONTENDED;
@@ -1349,12 +1350,11 @@ static enum compact_result __compact_finished(struct zone *zone, struct compact_ } static enum compact_result compact_finished(struct zone *zone, - struct compact_control *cc, - const int migratetype) + struct compact_control *cc) { int ret; - ret = __compact_finished(zone, cc, migratetype); + ret = __compact_finished(zone, cc); trace_mm_compaction_finished(zone, cc->order, ret); if (ret == COMPACT_NO_SUITABLE_PAGE) ret = COMPACT_CONTINUE;
@@ -1487,9 +1487,9 @@ static enum compact_result compact_zone(struct zone *zone, struct compact_contro enum compact_result 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; + cc->migratetype = gfpflags_to_migratetype(cc->gfp_mask); ret = compaction_suitable(zone, cc->order, cc->alloc_flags, cc->classzone_idx); /* Compaction is likely to fail */
@@ -1539,8 +1539,7 @@ static enum compact_result compact_zone(struct zone *zone, struct compact_contro migrate_prep_local(); - while ((ret = compact_finished(zone, cc, migratetype)) == - COMPACT_CONTINUE) { + while ((ret = compact_finished(zone, cc)) == COMPACT_CONTINUE) { int err; switch (isolate_migratepages(zone, cc)) {
diff --git a/mm/internal.h b/mm/internal.h
index da37ddd3db40..888f33cc7641 100644
--- a/mm/internal.h
+++ b/mm/internal.h@@ -179,6 +179,7 @@ struct compact_control { unsigned long last_migrated_pfn;/* Not yet flushed page being freed */ const gfp_t gfp_mask; /* gfp mask of a direct compactor */ int order; /* order a direct compactor needs */ + int migratetype; /* migratetype of direct compactor */ const unsigned int alloc_flags; /* alloc flags of a direct compactor */ const int classzone_idx; /* zone index of a direct compactor */ enum migrate_mode mode; /* Async or sync migration mode */
--
2.11.0
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