linux-kernel - [PATCH] zsmalloc: add comments for ->inuse to zspage

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Message-ID: <1442903979-11814-1-git-send-email-zhuhui@xiaomi.com>
Date:	Tue, 22 Sep 2015 14:39:39 +0800
From:	Hui Zhu <zhuhui@...omi.com>
To:	<minchan@...nel.org>, <ngupta@...are.org>, <linux-mm@...ck.org>,
	<linux-kernel@...r.kernel.org>
CC:	<teawater@...il.com>, Hui Zhu <zhuhui@...omi.com>
Subject: [PATCH] zsmalloc: add comments for ->inuse to zspage

Signed-off-by: Hui Zhu <zhuhui@...omi.com>
---
 mm/zsmalloc.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c
index f135b1b..1f66d5b 100644
--- a/mm/zsmalloc.c
+++ b/mm/zsmalloc.c
@@ -38,6 +38,7 @@
  *	page->lru: links together first pages of various zspages.
  *		Basically forming list of zspages in a fullness group.
  *	page->mapping: class index and fullness group of the zspage
+ *	page->inuse: the pages number that is used in this zspage
  *
  * Usage of struct page flags:
  *	PG_private: identifies the first component page
-- 
1.9.1

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