From b538e422e41fd5ec8c059bde03d5504bb62bf0d1 Mon Sep 17 00:00:00 2001 From: Yisheng Xie Date: Fri, 24 Feb 2017 14:59:48 -0800 Subject: [PATCH] mm/zsmalloc: fix comment in zsmalloc 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. Link: http://lkml.kernel.org/r/1486620822-36826-1-git-send-email-xieyisheng1@huawei.com Signed-off-by: Yisheng Xie Suggested-by: Sergey Senozhatsky Reviewed-by: Sergey Senozhatsky Acked-by: Minchan Kim Cc: Nitin Gupta Cc: Hanjun Guo Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- mm/zsmalloc.c | 4 ---- 1 file changed, 4 deletions(-) diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c index 25d0fb6443d1..b7b1fb6c8c21 100644 --- a/mm/zsmalloc.c +++ b/mm/zsmalloc.c @@ -267,10 +267,6 @@ 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 -- 2.20.1