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authorPaul Mundt <lethal@linux-sh.org>2007-11-10 05:57:58 -0500
committerPaul Mundt <lethal@linux-sh.org>2008-01-27 23:18:43 -0500
commit01fed9311ab8a724283b3f456c12e573cb51d92b (patch)
treea270222feed305e586c779063df50b1447ef877f
parent9b01bd9ee6408846c0553c03fb4b864353a845c9 (diff)
sh: Consolidate slab/kmalloc minalign values.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
-rw-r--r--include/asm-sh/page.h14
-rw-r--r--include/asm-sh/uaccess_64.h12
2 files changed, 14 insertions, 12 deletions
diff --git a/include/asm-sh/page.h b/include/asm-sh/page.h
index d00a8fde7c7f..d0273dbce6be 100644
--- a/include/asm-sh/page.h
+++ b/include/asm-sh/page.h
@@ -157,8 +157,22 @@ typedef struct { unsigned long pgd; } pgd_t;
157 * Slub defaults to 8-byte alignment, we're only interested in 4. 157 * Slub defaults to 8-byte alignment, we're only interested in 4.
158 * Slab defaults to BYTES_PER_WORD, which ends up being the same anyways. 158 * Slab defaults to BYTES_PER_WORD, which ends up being the same anyways.
159 */ 159 */
160#ifdef CONFIG_SUPERH32
160#define ARCH_KMALLOC_MINALIGN 4 161#define ARCH_KMALLOC_MINALIGN 4
161#define ARCH_SLAB_MINALIGN 4 162#define ARCH_SLAB_MINALIGN 4
163#else
164/* If gcc inlines memset, it will use st.q instructions. Therefore, we need
165 kmalloc allocations to be 8-byte aligned. Without this, the alignment
166 becomes BYTE_PER_WORD i.e. only 4 (since sizeof(long)==sizeof(void*)==4 on
167 sh64 at the moment). */
168#define ARCH_KMALLOC_MINALIGN 8
169
170/*
171 * We want 8-byte alignment for the slab caches as well, otherwise we have
172 * the same BYTES_PER_WORD (sizeof(void *)) min align in kmem_cache_create().
173 */
174#define ARCH_SLAB_MINALIGN 8
175#endif
162 176
163#endif /* __KERNEL__ */ 177#endif /* __KERNEL__ */
164#endif /* __ASM_SH_PAGE_H */ 178#endif /* __ASM_SH_PAGE_H */
diff --git a/include/asm-sh/uaccess_64.h b/include/asm-sh/uaccess_64.h
index 644c67b65f94..24800a8045ce 100644
--- a/include/asm-sh/uaccess_64.h
+++ b/include/asm-sh/uaccess_64.h
@@ -297,18 +297,6 @@ struct exception_table_entry
297 297
298#define ARCH_HAS_SEARCH_EXTABLE 298#define ARCH_HAS_SEARCH_EXTABLE
299 299
300/* If gcc inlines memset, it will use st.q instructions. Therefore, we need
301 kmalloc allocations to be 8-byte aligned. Without this, the alignment
302 becomes BYTE_PER_WORD i.e. only 4 (since sizeof(long)==sizeof(void*)==4 on
303 sh64 at the moment). */
304#define ARCH_KMALLOC_MINALIGN 8
305
306/*
307 * We want 8-byte alignment for the slab caches as well, otherwise we have
308 * the same BYTES_PER_WORD (sizeof(void *)) min align in kmem_cache_create().
309 */
310#define ARCH_SLAB_MINALIGN 8
311
312/* Returns 0 if exception not found and fixup.unit otherwise. */ 300/* Returns 0 if exception not found and fixup.unit otherwise. */
313extern unsigned long search_exception_table(unsigned long addr); 301extern unsigned long search_exception_table(unsigned long addr);
314extern const struct exception_table_entry *search_exception_tables (unsigned long addr); 302extern const struct exception_table_entry *search_exception_tables (unsigned long addr);