diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-08-01 14:59:11 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-08-01 14:59:11 -0700 |
| commit | 2b12a4c524812fb3f6ee590a02e65b95c8c32229 (patch) | |
| tree | 6d319a371c56798d2d5c3ad21801eba142a1c77e /arch/ia64/include/asm/shmparam.h | |
| parent | 4744b43431e8613f920c5cba88346756f53c5165 (diff) | |
| parent | 7f30491ccd28627742e37899453ae20e3da8e18f (diff) | |
Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6:
[IA64] Move include/asm-ia64 to arch/ia64/include/asm
Diffstat (limited to 'arch/ia64/include/asm/shmparam.h')
| -rw-r--r-- | arch/ia64/include/asm/shmparam.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/ia64/include/asm/shmparam.h b/arch/ia64/include/asm/shmparam.h new file mode 100644 index 00000000000..d07508dc54a --- /dev/null +++ b/arch/ia64/include/asm/shmparam.h @@ -0,0 +1,12 @@ +#ifndef _ASM_IA64_SHMPARAM_H +#define _ASM_IA64_SHMPARAM_H + +/* + * SHMLBA controls minimum alignment at which shared memory segments + * get attached. The IA-64 architecture says that there may be a + * performance degradation when there are virtual aliases within 1MB. + * To reduce the chance of this, we set SHMLBA to 1MB. --davidm 00/12/20 + */ +#define SHMLBA (1024*1024) + +#endif /* _ASM_IA64_SHMPARAM_H */ |