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| author | Weijie Yang <weijie.yang@samsung.com> | 2014-06-04 16:11:08 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-06-04 16:54:13 -0700 |
| commit | 7eb52512a977854eca51d9b692c2f3be8a0e5eeb (patch) | |
| tree | b7c8b0ae1c08a48c8ae46d60351ed20e2e5fba12 | |
| parent | 50417c55562c03e6746b13aee650c2bbb048fea3 (diff) | |
| download | lwn-7eb52512a977854eca51d9b692c2f3be8a0e5eeb.tar.gz lwn-7eb52512a977854eca51d9b692c2f3be8a0e5eeb.zip | |
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@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>
| -rw-r--r-- | mm/zsmalloc.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c index 5ae5d85b629d..fe78189624cf 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 |