diff options
Diffstat (limited to 'mm/compaction.c')
| -rw-r--r-- | mm/compaction.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/mm/compaction.c b/mm/compaction.c index 028b7210a669..faca45ebe62d 100644 --- a/mm/compaction.c +++ b/mm/compaction.c @@ -1450,12 +1450,14 @@ static enum compact_result __compaction_suitable(struct zone *zone, int order, * if compaction succeeds. * For costly orders, we require low watermark instead of min for * compaction to proceed to increase its chances. + * ALLOC_CMA is used, as pages in CMA pageblocks are considered + * suitable migration targets */ watermark = (order > PAGE_ALLOC_COSTLY_ORDER) ? low_wmark_pages(zone) : min_wmark_pages(zone); watermark += compact_gap(order); if (!__zone_watermark_ok(zone, 0, watermark, classzone_idx, - 0, wmark_target)) + ALLOC_CMA, wmark_target)) return COMPACT_SKIPPED; return COMPACT_CONTINUE; @@ -1897,7 +1899,7 @@ static ssize_t sysfs_compact_node(struct device *dev, return count; } -static DEVICE_ATTR(compact, S_IWUSR, NULL, sysfs_compact_node); +static DEVICE_ATTR(compact, 0200, NULL, sysfs_compact_node); int compaction_register_node(struct node *node) { |