diff options
Diffstat (limited to 'mm/page_alloc.c')
| -rw-r--r-- | mm/page_alloc.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c index e6d4234e0d1a..755f35f4bc8b 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -7353,6 +7353,7 @@ void *__init alloc_large_system_hash(const char *tablename, * race condition. So you can't expect this function should be exact. */ bool has_unmovable_pages(struct zone *zone, struct page *page, int count, + int migratetype, bool skip_hwpoisoned_pages) { unsigned long pfn, iter, found; @@ -7364,6 +7365,15 @@ bool has_unmovable_pages(struct zone *zone, struct page *page, int count, if (zone_idx(zone) == ZONE_MOVABLE) return false; + /* + * CMA allocations (alloc_contig_range) really need to mark isolate + * CMA pageblocks even when they are not movable in fact so consider + * them movable here. + */ + if (is_migrate_cma(migratetype) && + is_migrate_cma(get_pageblock_migratetype(page))) + return false; + pfn = page_to_pfn(page); for (found = 0, iter = 0; iter < pageblock_nr_pages; iter++) { unsigned long check = pfn + iter; @@ -7446,7 +7456,7 @@ bool is_pageblock_removable_nolock(struct page *page) if (!zone_spans_pfn(zone, pfn)) return false; - return !has_unmovable_pages(zone, page, 0, true); + return !has_unmovable_pages(zone, page, 0, MIGRATE_MOVABLE, true); } #if (defined(CONFIG_MEMORY_ISOLATION) && defined(CONFIG_COMPACTION)) || defined(CONFIG_CMA) |