diff options
Diffstat (limited to 'include/asm-sh/page.h')
| -rw-r--r-- | include/asm-sh/page.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/include/asm-sh/page.h b/include/asm-sh/page.h index 7464de4ba07..6bc9bba1010 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 */ |