linux-kernel - [PATCH v3 5/8] mm/zsmalloc: keep comments consistent with code

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Date:	Wed,  6 Jul 2016 14:23:50 +0800
From:	Ganesh Mahendran <opensource.ganesh@...il.com>
To:	linux-kernel@...r.kernel.org, linux-mm@...ck.org
Cc:	akpm@...ux-foundation.org, minchan@...nel.org, ngupta@...are.org,
	sergey.senozhatsky.work@...il.com, rostedt@...dmis.org,
	mingo@...hat.com, Ganesh Mahendran <opensource.ganesh@...il.com>
Subject: [PATCH v3 5/8] mm/zsmalloc: keep comments consistent with code

some minor change of comments:
1). update zs_malloc(),zs_create_pool() function header
2). update "Usage of struct page fields"

Signed-off-by: Ganesh Mahendran <opensource.ganesh@...il.com>
Reviewed-by: Sergey Senozhatsky <sergey.senozhatsky@...il.com>
Acked-by: Minchan Kim <minchan@...nel.org>
----
v3:
    none
v2:
    change *object index* to *object offset* - Minchan
---
 mm/zsmalloc.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c
index 82b9977..ded312b 100644
--- a/mm/zsmalloc.c
+++ b/mm/zsmalloc.c
@@ -20,6 +20,7 @@
  *	page->freelist(index): links together all component pages of a zspage
  *		For the huge page, this is always 0, so we use this field
  *		to store handle.
+ *	page->units: first object offset in a subpage of zspage
  *
  * Usage of struct page flags:
  *	PG_private: identifies the first component page
@@ -140,9 +141,6 @@
  */
 #define ZS_SIZE_CLASS_DELTA	(PAGE_SIZE >> CLASS_BITS)
 
-/*
- * We do not maintain any list for completely empty or full pages
- */
 enum fullness_group {
 	ZS_EMPTY,
 	ZS_ALMOST_EMPTY,
@@ -1535,6 +1533,7 @@ static unsigned long obj_malloc(struct size_class *class,
  * zs_malloc - Allocate block of given size from pool.
  * @pool: pool to allocate from
  * @size: size of block to allocate
+ * @gfp: gfp flags when allocating object
  *
  * On success, handle to the allocated object is returned,
  * otherwise 0.
@@ -2401,7 +2400,7 @@ static int zs_register_shrinker(struct zs_pool *pool)
 
 /**
  * zs_create_pool - Creates an allocation pool to work from.
- * @flags: allocation flags used to allocate pool metadata
+ * @name: pool name to be created
  *
  * This function must be called before anything when using
  * the zsmalloc allocator.
-- 
1.9.1