diff options
Diffstat (limited to 'arch/sh/include/asm/addrspace.h')
| -rw-r--r-- | arch/sh/include/asm/addrspace.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/sh/include/asm/addrspace.h b/arch/sh/include/asm/addrspace.h index 2702d81bfc0..36736c7e93d 100644 --- a/arch/sh/include/asm/addrspace.h +++ b/arch/sh/include/asm/addrspace.h @@ -49,5 +49,16 @@ /* Check if an address can be reached in 29 bits */ #define IS_29BIT(a) (((unsigned long)(a)) < 0x20000000) +#ifdef CONFIG_SH_STORE_QUEUES +/* + * This is a special case for the SH-4 store queues, as pages for this + * space still need to be faulted in before it's possible to flush the + * store queue cache for writeout to the remapped region. + */ +#define P3_ADDR_MAX (P4SEG_STORE_QUE + 0x04000000) +#else +#define P3_ADDR_MAX P4SEG +#endif + #endif /* __KERNEL__ */ #endif /* __ASM_SH_ADDRSPACE_H */ |