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-rw-r--r--include/asm-sh/page.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/include/asm-sh/page.h b/include/asm-sh/page.h
index 7464de4ba07d..6bc9bba10105 100644
--- a/include/asm-sh/page.h
+++ b/include/asm-sh/page.h
@@ -60,6 +60,7 @@ extern void (*copy_page)(void *to, void *from);
extern unsigned long shm_align_mask;
extern unsigned long max_low_pfn, min_low_pfn;
+extern unsigned long memory_start, memory_end;
#ifdef CONFIG_MMU
extern void clear_page_slow(void *to);
@@ -134,7 +135,9 @@ typedef struct { unsigned long pgd; } pgd_t;
#define PFN_START (__MEMORY_START >> PAGE_SHIFT)
#define ARCH_PFN_OFFSET (PFN_START)
#define virt_to_page(kaddr) pfn_to_page(__pa(kaddr) >> PAGE_SHIFT)
+#ifdef CONFIG_FLATMEM
#define pfn_valid(pfn) ((pfn) >= min_low_pfn && (pfn) < max_low_pfn)
+#endif
#define virt_addr_valid(kaddr) pfn_valid(__pa(kaddr) >> PAGE_SHIFT)
#define VM_DATA_DEFAULT_FLAGS (VM_READ | VM_WRITE | VM_EXEC | \
@@ -148,5 +151,12 @@ typedef struct { unsigned long pgd; } pgd_t;
#define __HAVE_ARCH_GATE_AREA
#endif
+/*
+ * 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.
+ */
+#define ARCH_KMALLOC_MINALIGN 4
+#define ARCH_SLAB_MINALIGN 4
+
#endif /* __KERNEL__ */
#endif /* __ASM_SH_PAGE_H */
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