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;
 }