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authorJiri Kosina <jkosina@suse.cz>2011-04-26 12:22:15 +0400
committerJiri Kosina <jkosina@suse.cz>2011-04-26 12:22:59 +0400
commit07f9479a40cc778bc1462ada11f95b01360ae4ff (patch)
tree0676cf38df3844004bb3ebfd99dfa67a4a8998f5 /arch/arm/mm/mmap.c
parent9d5e6bdb3013acfb311ab407eeca0b6a6a3dedbf (diff)
parentcd2e49e90f1cae7726c9a2c54488d881d7f1cd1c (diff)
downloadlinux-07f9479a40cc778bc1462ada11f95b01360ae4ff.tar.xz
Merge branch 'master' into for-next
Fast-forwarded to current state of Linus' tree as there are patches to be applied for files that didn't exist on the old branch.
Diffstat (limited to 'arch/arm/mm/mmap.c')
-rw-r--r--arch/arm/mm/mmap.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/arm/mm/mmap.c b/arch/arm/mm/mmap.c
index afe209e1e1f8..74be05f3e03a 100644
--- a/arch/arm/mm/mmap.c
+++ b/arch/arm/mm/mmap.c
@@ -7,6 +7,7 @@
#include <linux/shm.h>
#include <linux/sched.h>
#include <linux/io.h>
+#include <linux/personality.h>
#include <linux/random.h>
#include <asm/cputype.h>
#include <asm/system.h>
@@ -82,7 +83,8 @@ arch_get_unmapped_area(struct file *filp, unsigned long addr,
mm->cached_hole_size = 0;
}
/* 8 bits of randomness in 20 address space bits */
- if (current->flags & PF_RANDOMIZE)
+ if ((current->flags & PF_RANDOMIZE) &&
+ !(current->personality & ADDR_NO_RANDOMIZE))
addr += (get_random_int() % (1 << 8)) << PAGE_SHIFT;
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