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| author | Yisheng Xie <xieyisheng1@huawei.com> | 2017-02-24 23:59:48 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-02-25 02:46:56 +0100 |
| commit | b538e422e41fd5ec8c059bde03d5504bb62bf0d1 (patch) | |
| tree | 7692898f979f96007644697db98cebe0a547f8cc | |
| parent | mm/page_alloc.c: remove redundant init code for ZONE_MOVABLE (diff) | |
| download | linux-b538e422e41fd5ec8c059bde03d5504bb62bf0d1.tar.xz linux-b538e422e41fd5ec8c059bde03d5504bb62bf0d1.zip | |
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 <xieyisheng1@huawei.com>
Suggested-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Reviewed-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Acked-by: Minchan Kim <minchan@kernel.org>
Cc: Nitin Gupta <ngupta@vflare.org>
Cc: Hanjun Guo <guohanjun@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | mm/zsmalloc.c | 4 |
1 files changed, 0 insertions, 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 |