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author | Paul Mundt <lethal@linux-sh.org> | 2006-09-27 18:36:17 +0900 |
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committer | Paul Mundt <lethal@linux-sh.org> | 2006-09-27 18:36:17 +0900 |
commit | f3c2575818fab45f8609e4aef2e43ab02b3a142e (patch) | |
tree | a4924d7dd8f8df229e36fab24ccccfe12437509b /arch/sh/kernel/cpu/init.c | |
parent | 87b0ef91b6f27c07bf7dcce8584437481f473092 (diff) |
sh: Calculate shm alignment at runtime.
Set the SHM alignment at runtime, based off of probed cache desc.
Optimize get_unmapped_area() to only colour align shared mappings.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh/kernel/cpu/init.c')
-rw-r--r-- | arch/sh/kernel/cpu/init.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/sh/kernel/cpu/init.c b/arch/sh/kernel/cpu/init.c index 731dd61419d..bfb90eb0b7a 100644 --- a/arch/sh/kernel/cpu/init.c +++ b/arch/sh/kernel/cpu/init.c @@ -14,6 +14,7 @@ #include <linux/kernel.h> #include <asm/processor.h> #include <asm/uaccess.h> +#include <asm/page.h> #include <asm/system.h> #include <asm/cacheflush.h> #include <asm/cache.h> @@ -198,6 +199,10 @@ asmlinkage void __init sh_cpu_init(void) /* Init the cache */ cache_init(); + shm_align_mask = max_t(unsigned long, + cpu_data->dcache.way_size - 1, + PAGE_SIZE - 1); + /* Disable the FPU */ if (fpu_disabled) { printk("FPU Disabled\n"); |