x86: clean up arch/x86/mm/mmap_32/64.c
White space and coding style clenaup.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/arch/x86/mm/mmap_64.c b/arch/x86/mm/mmap_64.c
index 80bba0d..ffb71a3 100644
--- a/arch/x86/mm/mmap_64.c
+++ b/arch/x86/mm/mmap_64.c
@@ -16,11 +16,14 @@
#endif
mm->mmap_base = TASK_UNMAPPED_BASE;
if (current->flags & PF_RANDOMIZE) {
- /* Add 28bit randomness which is about 40bits of address space
- because mmap base has to be page aligned.
- or ~1/128 of the total user VM
- (total user address space is 47bits) */
+ /*
+ * Add 28bit randomness which is about 40bits of
+ * address space because mmap base has to be page
+ * aligned. or ~1/128 of the total user VM (total
+ * user address space is 47bits)
+ */
unsigned rnd = get_random_int() & 0xfffffff;
+
mm->mmap_base += ((unsigned long)rnd) << PAGE_SHIFT;
}
mm->get_unmapped_area = arch_get_unmapped_area;