summaryrefslogtreecommitdiff
path: root/include/linux/page-flags.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux/page-flags.h')
-rw-r--r--include/linux/page-flags.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h
index 96084ee74ee8..7c8e82ac2eb7 100644
--- a/include/linux/page-flags.h
+++ b/include/linux/page-flags.h
@@ -641,6 +641,13 @@ PAGE_MAPCOUNT_OPS(Buddy, BUDDY)
#define PAGE_BALLOON_MAPCOUNT_VALUE (-256)
PAGE_MAPCOUNT_OPS(Balloon, BALLOON)
+/*
+ * If kmemcg is enabled, the buddy allocator will set PageKmemcg() on
+ * pages allocated with __GFP_ACCOUNT. It gets cleared on page free.
+ */
+#define PAGE_KMEMCG_MAPCOUNT_VALUE (-512)
+PAGE_MAPCOUNT_OPS(Kmemcg, KMEMCG)
+
extern bool is_free_buddy_page(struct page *page);
__PAGEFLAG(Isolated, isolated, PF_ANY);