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. Just delete this
unneeded comment.Signed-off-by: Yisheng Xie <[email protected]> Suggested-by: Sergey Senozhatsky <[email protected]> Reviewed-by: Sergey Senozhatsky <[email protected]> Cc: Minchan Kim <[email protected]> Cc: Nitin Gupta <[email protected]> Cc: Hanjun Guo <[email protected]> --- v2: * just delete the comment for it is no need anymore, suggested by Sergey. mm/zsmalloc.c | 4 ---- 1 file changed, 4 deletions(-) diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c index 9cc3c0b..08c1a84 100644 --- a/mm/zsmalloc.c +++ b/mm/zsmalloc.c @@ -268,10 +268,6 @@ struct zs_pool { #endif }; -/* - * A zspage's class index and fullness group - * are encoded in its (first)page->mapping - */ #define FULLNESS_BITS 2 #define CLASS_BITS 8 #define ISOLATED_BITS 3 -- 1.7.12.4

