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-rw-r--r--mm/vmalloc.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index 49abccf29a29..a48cd061f16f 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -29,6 +29,7 @@
#include <linux/atomic.h>
#include <linux/compiler.h>
#include <linux/llist.h>
+#include <linux/bitops.h>
#include <asm/uaccess.h>
#include <asm/tlbflush.h>
@@ -1314,7 +1315,8 @@ static struct vm_struct *__get_vm_area_node(unsigned long size,
BUG_ON(in_interrupt());
if (flags & VM_IOREMAP)
- align = 1ul << clamp(fls(size), PAGE_SHIFT, IOREMAP_MAX_ORDER);
+ align = 1ul << clamp_t(int, fls_long(size),
+ PAGE_SHIFT, IOREMAP_MAX_ORDER);
size = PAGE_ALIGN(size);
if (unlikely(!size))