Subject: + zsmalloc-fixup-trivial-zs-size-classes-value-in-comments.patch added to -mm tree
To: weijie.yang@xxxxxxxxxxx,minchan@xxxxxxxxxx
From: akpm@xxxxxxxxxxxxxxxxxxxx
Date: Thu, 15 May 2014 14:28:01 -0700
The patch titled
Subject: zsmalloc: fixup trivial zs size classes value in comments
has been added to the -mm tree. Its filename is
zsmalloc-fixup-trivial-zs-size-classes-value-in-comments.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/zsmalloc-fixup-trivial-zs-size-classes-value-in-comments.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/zsmalloc-fixup-trivial-zs-size-classes-value-in-comments.patch
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From: Weijie Yang <weijie.yang@xxxxxxxxxxx>
Subject: zsmalloc: fixup trivial zs size classes value in comments
According to calculation, ZS_SIZE_CLASSES value is 255 on systems with 4K
page size, not 254. The old value may forget count the ZS_MIN_ALLOC_SIZE
in.
This patch fixes this trivial issue in the comments.
Signed-off-by: Weijie Yang <weijie.yang@xxxxxxxxxxx>
Cc: Minchan Kim <minchan@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/zsmalloc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff -puN mm/zsmalloc.c~zsmalloc-fixup-trivial-zs-size-classes-value-in-comments mm/zsmalloc.c
--- a/mm/zsmalloc.c~zsmalloc-fixup-trivial-zs-size-classes-value-in-comments
+++ a/mm/zsmalloc.c
@@ -141,7 +141,7 @@
#define ZS_MAX_ALLOC_SIZE PAGE_SIZE
/*
- * On systems with 4K page size, this gives 254 size classes! There is a
+ * On systems with 4K page size, this gives 255 size classes! There is a
* trader-off here:
* - Large number of size classes is potentially wasteful as free page are
* spread across these classes
_
Patches currently in -mm which might be from weijie.yang@xxxxxxxxxxx are
zram-correct-offset-usage-in-zram_bio_discard.patch
zsmalloc-fixup-trivial-zs-size-classes-value-in-comments.patch
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