Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit fd854463 authored by Ganesh Mahendran's avatar Ganesh Mahendran Committed by Linus Torvalds
Browse files

mm/zsmalloc: keep comments consistent with code 

Some minor commebnt changes:

 1). update zs_malloc(),zs_create_pool() function header
 2). update "Usage of struct page fields"

Link: http://lkml.kernel.org/r/1467882338-4300-5-git-send-email-opensource.ganesh@gmail.com


Signed-off-by: default avatarGanesh Mahendran <opensource.ganesh@gmail.com>
Reviewed-by: default avatarSergey Senozhatsky <sergey.senozhatsky@gmail.com>
Acked-by: default avatarMinchan Kim <minchan@kernel.org>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 64d90465

mm/zsmalloc.c

+3 −4
Original line number Diff line number Diff line
@@ -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
@@ -137,9 +138,6 @@ 
 */

#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,
@@ -1532,6 +1530,7 @@ 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.
@@ -2391,7 +2390,7 @@ 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.