summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--include/linux/vmalloc.h8
-rw-r--r--mm/vmalloc.c2
2 files changed, 8 insertions, 2 deletions
diff --git a/include/linux/vmalloc.h b/include/linux/vmalloc.h
index 6409d9c..b244f69 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;
diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index 8ff16a1..67b358e 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -158,8 +158,6 @@ int map_vm_area(struct vm_struct *area, pgprot_t prot, struct page ***pages)
return err;
}
-#define IOREMAP_MAX_ORDER (7 + PAGE_SHIFT) /* 128 pages */
-
struct vm_struct *__get_vm_area(unsigned long size, unsigned long flags,
unsigned long start, unsigned long end)
{
OpenPOWER on IntegriCloud