zsmalloc: add comments for ->inuse to zspage

[[email protected]: fix grammar] Signed-off-by: Hui Zhu <[email protected]> Reviewed-by: Sergey Senozhatsky <[email protected]> Cc: Dan Streetman <[email protected]> Cc: Minchan Kim <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
bjacke · Nov 7, 2015 · 8f958c9 · 8f958c9
1 parent 6f3526d
commit 8f958c9
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c
@@ -38,6 +38,7 @@
  *	page->lru: links together first pages of various zspages.
  *		Basically forming list of zspages in a fullness group.
  *	page->mapping: class index and fullness group of the zspage
+ *	page->inuse: the number of objects that are used in this zspage
  *
  * Usage of struct page flags:
  *	PG_private: identifies the first component page