The class index and fullness group are not encoded in
(first)page->mapping any more, after commit 3783689a1aa8 ("zsmalloc:
introduce zspage structure"). Instead, they are store in struct zspage.Cc: Minchan Kim <[email protected]> Cc: Sergey Senozhatsky <[email protected]> Cc: Nitin Gupta <[email protected]> Cc: Hanjun Guo <[email protected]> Signed-off-by: Yisheng Xie <[email protected]> --- mm/zsmalloc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c index 9cc3c0b..4b87225 100644 --- a/mm/zsmalloc.c +++ b/mm/zsmalloc.c @@ -270,7 +270,7 @@ struct zs_pool { /* * A zspage's class index and fullness group - * are encoded in its (first)page->mapping + * are stored in struct zspage. */ #define FULLNESS_BITS 2 #define CLASS_BITS 8 -- 1.7.12.4
