The patch titled
Subject: compaction: fix build error in CMA && !COMPACTION
has been added to the -mm tree. Its filename is
compaction-fix-build-error-in-cma-compaction.patch
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------------------------------------------------------
From: Minchan Kim <minchan@xxxxxxxxxx>
Subject: compaction: fix build error in CMA && !COMPACTION
isolate_freepages_block() and isolate_migratepages_range() are used for
CMA as well as compaction so it breaks build for CONFIG_CMA &&
!CONFIG_COMPACTION.
This patch fixes it.
Signed-off-by: Minchan Kim <minchan@xxxxxxxxxx>
Cc: Mel Gorman <mgorman@xxxxxxx>
Cc: Marek Szyprowski <m.szyprowski@xxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/compaction.c | 26 ++++++++++++++++++++------
1 file changed, 20 insertions(+), 6 deletions(-)
diff -puN mm/compaction.c~compaction-fix-build-error-in-cma-compaction mm/compaction.c
--- a/mm/compaction.c~compaction-fix-build-error-in-cma-compaction
+++ a/mm/compaction.c
@@ -17,6 +17,21 @@
#include <linux/balloon_compaction.h>
#include "internal.h"
+#ifdef CONFIG_COMPACTION
+static inline void count_compact_event(enum vm_event_item item)
+{
+ count_vm_event(item);
+}
+
+static inline void count_compact_events(enum vm_event_item item, long delta)
+{
+ count_vm_events(item, delta);
+}
+#else
+#define count_compact_event(item)
+#define count_compact_events(item, delta)
+#endif
+
#if defined CONFIG_COMPACTION || defined CONFIG_CMA
#define CREATE_TRACE_POINTS
@@ -303,10 +318,9 @@ static unsigned long isolate_freepages_b
if (blockpfn == end_pfn)
update_pageblock_skip(cc, valid_page, total_isolated, false);
- count_vm_events(COMPACTFREE_SCANNED, nr_scanned);
+ count_compact_events(COMPACTFREE_SCANNED, nr_scanned);
if (total_isolated)
- count_vm_events(COMPACTISOLATED, total_isolated);
-
+ count_compact_events(COMPACTISOLATED, total_isolated);
return total_isolated;
}
@@ -613,9 +627,9 @@ next_pageblock:
trace_mm_compaction_isolate_migratepages(nr_scanned, nr_isolated);
- count_vm_events(COMPACTMIGRATE_SCANNED, nr_scanned);
+ count_compact_events(COMPACTMIGRATE_SCANNED, nr_scanned);
if (nr_isolated)
- count_vm_events(COMPACTISOLATED, nr_isolated);
+ count_compact_events(COMPACTISOLATED, nr_isolated);
return low_pfn;
}
@@ -1110,7 +1124,7 @@ unsigned long try_to_compact_pages(struc
if (!order || !may_enter_fs || !may_perform_io)
return rc;
- count_vm_event(COMPACTSTALL);
+ count_compact_event(COMPACTSTALL);
#ifdef CONFIG_CMA
if (allocflags_to_migratetype(gfp_mask) == MIGRATE_MOVABLE)
_
Patches currently in -mm which might be from minchan@xxxxxxxxxx are
origin.patch
compaction-fix-build-error-in-cma-compaction.patch
mm-fix-zone_watermark_ok_safe-accounting-of-isolated-pages.patch
mm-add-vm-event-counters-for-balloon-pages-compaction.patch
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