include/asm-xtensa/shmparam.h at v2.6.22-rc2 · tjh.dev/kernel

tjh.dev / kernel

Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git

kernel os linux

kernel / include / asm-xtensa / shmparam.h

at v2.6.22-rc2 23 lines 589 B view raw

 1/*
 2 * include/asm-xtensa/shmparam.h
 3 *
 4 * This file is subject to the terms and conditions of the GNU General
 5 * Public License.  See the file "COPYING" in the main directory of
 6 * this archive for more details.
 7 */
 8
 9#ifndef _XTENSA_SHMPARAM_H
10#define _XTENSA_SHMPARAM_H
11
12#include <asm/processor.h>
13
14/*
15 * Xtensa can have variable size caches, and if
16 * the size of single way is larger than the page size,
17 * then we have to start worrying about cache aliasing
18 * problems.
19 */
20
21#define SHMLBA	((PAGE_SIZE > DCACHE_WAY_SIZE)? PAGE_SIZE : DCACHE_WAY_SIZE)
22
23#endif /* _XTENSA_SHMPARAM_H */