diff options
Diffstat (limited to 'arch/arm/mm/mmap.c')
| -rw-r--r-- | arch/arm/mm/mmap.c | 6 |
1 files changed, 1 insertions, 5 deletions
diff --git a/arch/arm/mm/mmap.c b/arch/arm/mm/mmap.c index 290cbb310486..655aa70aa101 100644 --- a/arch/arm/mm/mmap.c +++ b/arch/arm/mm/mmap.c @@ -11,10 +11,6 @@ #include <linux/random.h> #include <asm/cachetype.h> -int mmap_rnd_bits_min = CONFIG_ARCH_MMAP_RND_BITS_MIN; -int mmap_rnd_bits_max = CONFIG_ARCH_MMAP_RND_BITS_MAX; -int mmap_rnd_bits = CONFIG_ARCH_MMAP_RND_BITS; - #define COLOUR_ALIGN(addr,pgoff) \ ((((addr)+SHMLBA-1)&~(SHMLBA-1)) + \ (((pgoff)<<PAGE_SHIFT) & (SHMLBA-1))) @@ -179,7 +175,7 @@ void arch_pick_mmap_layout(struct mm_struct *mm) if ((current->flags & PF_RANDOMIZE) && !(current->personality & ADDR_NO_RANDOMIZE)) - random_factor = (get_random_int() % (1 << mmap_rnd_bits)) << PAGE_SHIFT; + random_factor = (get_random_int() & ((1 << mmap_rnd_bits) - 1)) << PAGE_SHIFT; if (mmap_is_legacy()) { mm->mmap_base = TASK_UNMAPPED_BASE + random_factor; |