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Merge remote-tracking branch 'lsk/linux-linaro-lsk-v4.4-android' into linux-linaro...
[firefly-linux-kernel-4.4.55.git]
/
arch
/
arm
/
mm
/
mmap.c
diff --git
a/arch/arm/mm/mmap.c
b/arch/arm/mm/mmap.c
index 407dc786583aec0e6077f50a8374f99002ca8233..4b4058db0781f63e307d4f5101a74d5330ddf337 100644
(file)
--- a/
arch/arm/mm/mmap.c
+++ b/
arch/arm/mm/mmap.c
@@
-173,8
+173,7
@@
unsigned long arch_mmap_rnd(void)
{
unsigned long rnd;
- /* 8 bits of randomness in 20 address space bits */
- rnd = (unsigned long)get_random_int() % (1 << 8);
+ rnd = (unsigned long)get_random_int() & ((1 << mmap_rnd_bits) - 1);
return rnd << PAGE_SHIFT;
}