isolate_freepages_block and isolate_migratepages_range is used for CMA as well as compaction so it breaks build for CONFIG_CMA && !CONFIG_COMPACTION. This patch fixes it. Cc: Mel Gorman <mgorman@xxxxxxx> Cc: Marek Szyprowski <m.szyprowski@xxxxxxxxxxx> Signed-off-by: Minchan Kim <minchan@xxxxxxxxxx> --- mm/compaction.c | 26 ++++++++++++++++++++------ 1 file changed, 20 insertions(+), 6 deletions(-) diff --git a/mm/compaction.c b/mm/compaction.c index 5ad7f4f..70f4443 100644 --- a/mm/compaction.c +++ b/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_block(struct compact_control *cc, 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(struct zonelist *zonelist, 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) -- 1.7.9.5 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx"> email@xxxxxxxxx </a>