Commit 7dfa4612 authored Jan 14, 2016 by Weijie Yang Committed by Linus Torvalds Jan 15, 2016

zsmalloc: reorganize struct size_class to pack 4 bytes hole



Reoder the pages_per_zspage field in struct size_class which can
eliminate the 4 bytes hole between it and stats field.

Signed-off-by: Weijie Yang <weijie.yang@samsung.com>
Reviewed-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.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>

parent f58fb5e7

mm/zsmalloc.c

+2 −2

Original line number	Original line	Diff line number	Diff line
	@@ -213,10 +213,10 @@ struct size_class {
	int size;		int size;
	unsigned int index;		unsigned int index;

	/* Number of PAGE_SIZE sized pages to combine to form a 'zspage' */
	int pages_per_zspage;
	struct zs_size_stat stats;		struct zs_size_stat stats;

			/* Number of PAGE_SIZE sized pages to combine to form a 'zspage' */
			int pages_per_zspage;
	/* huge object: pages_per_zspage == 1 && maxobj_per_zspage == 1 */		/* huge object: pages_per_zspage == 1 && maxobj_per_zspage == 1 */
	bool huge;		bool huge;
	};		};