linux-kernel - [PATCH] zsmalloc: fixup trivial zs size classes value in comments

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Date:	Thu, 15 May 2014 16:38:31 +0800
From:	Weijie Yang <weijie.yang@...sung.com>
To:	'Minchan Kim' <minchan@...nel.org>
Cc:	'Andrew Morton' <akpm@...ux-foundation.org>,
	'Nitin Gupta' <ngupta@...are.org>,
	'Bob Liu' <bob.liu@...cle.com>,
	'linux-kernel' <linux-kernel@...r.kernel.org>,
	'Weijie Yang' <weijie.yang.kh@...il.com>
Subject: [PATCH] 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 fixup this trivial issue in the comments.

Signed-off-by: Weijie Yang <weijie.yang@...sung.com>
---
 mm/zsmalloc.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c
index 36b4591..04a6000 100644
--- a/mm/zsmalloc.c
+++ b/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
-- 
1.7.10.4


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