diff options
author | Paul Mundt <lethal@linux-sh.org> | 2007-11-10 19:57:58 +0900 |
---|---|---|
committer | Paul Mundt <lethal@linux-sh.org> | 2008-01-28 13:18:43 +0900 |
commit | 01fed9311ab8a724283b3f456c12e573cb51d92b (patch) | |
tree | a270222feed305e586c779063df50b1447ef877f | |
parent | 9b01bd9ee6408846c0553c03fb4b864353a845c9 (diff) |
sh: Consolidate slab/kmalloc minalign values.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
-rw-r--r-- | include/asm-sh/page.h | 14 | ||||
-rw-r--r-- | include/asm-sh/uaccess_64.h | 12 |
2 files changed, 14 insertions, 12 deletions
diff --git a/include/asm-sh/page.h b/include/asm-sh/page.h index d00a8fde7c7..d0273dbce6b 100644 --- a/include/asm-sh/page.h +++ b/include/asm-sh/page.h @@ -157,8 +157,22 @@ typedef struct { unsigned long pgd; } pgd_t; * Slub defaults to 8-byte alignment, we're only interested in 4. * Slab defaults to BYTES_PER_WORD, which ends up being the same anyways. */ +#ifdef CONFIG_SUPERH32 #define ARCH_KMALLOC_MINALIGN 4 #define ARCH_SLAB_MINALIGN 4 +#else +/* If gcc inlines memset, it will use st.q instructions. Therefore, we need + kmalloc allocations to be 8-byte aligned. Without this, the alignment + becomes BYTE_PER_WORD i.e. only 4 (since sizeof(long)==sizeof(void*)==4 on + sh64 at the moment). */ +#define ARCH_KMALLOC_MINALIGN 8 + +/* + * We want 8-byte alignment for the slab caches as well, otherwise we have + * the same BYTES_PER_WORD (sizeof(void *)) min align in kmem_cache_create(). + */ +#define ARCH_SLAB_MINALIGN 8 +#endif #endif /* __KERNEL__ */ #endif /* __ASM_SH_PAGE_H */ diff --git a/include/asm-sh/uaccess_64.h b/include/asm-sh/uaccess_64.h index 644c67b65f9..24800a8045c 100644 --- a/include/asm-sh/uaccess_64.h +++ b/include/asm-sh/uaccess_64.h @@ -297,18 +297,6 @@ struct exception_table_entry #define ARCH_HAS_SEARCH_EXTABLE -/* If gcc inlines memset, it will use st.q instructions. Therefore, we need - kmalloc allocations to be 8-byte aligned. Without this, the alignment - becomes BYTE_PER_WORD i.e. only 4 (since sizeof(long)==sizeof(void*)==4 on - sh64 at the moment). */ -#define ARCH_KMALLOC_MINALIGN 8 - -/* - * We want 8-byte alignment for the slab caches as well, otherwise we have - * the same BYTES_PER_WORD (sizeof(void *)) min align in kmem_cache_create(). - */ -#define ARCH_SLAB_MINALIGN 8 - /* Returns 0 if exception not found and fixup.unit otherwise. */ extern unsigned long search_exception_table(unsigned long addr); extern const struct exception_table_entry *search_exception_tables (unsigned long addr); |