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zsmalloc: fixup trivial zs size classes value in comments

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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@samsung.com>
Cc: Minchan Kim <minchan@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Weijie Yang 2014-06-04 16:11:08 -07:00 committed by Linus Torvalds
parent 50417c5556
commit 7eb52512a9
1 changed files with 1 additions and 1 deletions
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mm/zsmalloc.c
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@ -141,7 +141,7 @@
#define ZS_MAX_ALLOC_SIZE PAGE_SIZE #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: * trader-off here:
* - Large number of size classes is potentially wasteful as free page are * - Large number of size classes is potentially wasteful as free page are
* spread across these classes * spread across these classes