diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/vmalloc.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/linux/vmalloc.h b/include/linux/vmalloc.h index 6409d9cf5965..b244f69ef682 100644 --- a/include/linux/vmalloc.h +++ b/include/linux/vmalloc.h @@ -10,6 +10,14 @@ #define VM_MAP 0x00000004 /* vmap()ed pages */ /* bits [20..32] reserved for arch specific ioremap internals */ +/* + * Maximum alignment for ioremap() regions. + * Can be overriden by arch-specific value. + */ +#ifndef IOREMAP_MAX_ORDER +#define IOREMAP_MAX_ORDER (7 + PAGE_SHIFT) /* 128 pages */ +#endif + struct vm_struct { void *addr; unsigned long size; |