Commit b67c3a0a authored Apr 15, 2015 by Yinghao Xie Committed by Greg Hackmann Dec 09, 2015

UPSTREAM: mm/zsmalloc.c: fix comment for get_pages_per_zspage



(cherry-pick from commit 888fa374e625f3ee8f3cc2efebf52939d3bb6da1)

Signed-off-by: Yinghao Xie <yinghao.xie@sumsung.com>
Suggested-by: Minchan Kim <minchan@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

Bug: 25951511

Change-Id: I575b54fd6da328eb982b5e92e1b2e983985d7019

parent 623b6e63

mm/zsmalloc.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -731,7 +731,8 @@ out:
		* to form a zspage for each size class. This is important
		* to reduce wastage due to unusable space left at end of
		* each zspage which is given as:
		* wastage = Zp - Zp % size_class
		* wastage = Zp % class_size
		* usage = Zp - wastage
		* where Zp = zspage size = k * PAGE_SIZE where k = 1, 2, ...
		*
		* For example, for size class of 3/8 * PAGE_SIZE, we should