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 <[email protected]> Cc: Minchan Kim <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
sum-it · Jun 4, 2014 · 7eb5251 · 7eb5251
1 parent 50417c5
commit 7eb5251
Showing 1 changed file with 1 addition and 1 deletion.
diff --git 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