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| author | Thomas Gleixner | 2008-01-30 13:30:25 +0100 |
|---|---|---|
| committer | Ingo Molnar | 2008-01-30 13:30:25 +0100 |
| commit | f8eeae682166e3b965dcdaf499932f4b63cc5b5d (patch) | |
| tree | d4d1afb2a4604bc2ade01dcae086ec27776b148c /arch/x86/mm/mmap_64.c | |
| parent | x86: clean up arch/x86/kernel/vsmp_64.c (diff) | |
| download | kernel-qcow2-linux-f8eeae682166e3b965dcdaf499932f4b63cc5b5d.tar.gz kernel-qcow2-linux-f8eeae682166e3b965dcdaf499932f4b63cc5b5d.tar.xz kernel-qcow2-linux-f8eeae682166e3b965dcdaf499932f4b63cc5b5d.zip | |
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>
Diffstat (limited to 'arch/x86/mm/mmap_64.c')
| -rw-r--r-- | arch/x86/mm/mmap_64.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/arch/x86/mm/mmap_64.c b/arch/x86/mm/mmap_64.c index 80bba0dc000e..ffb71a31bb6e 100644 --- a/arch/x86/mm/mmap_64.c +++ b/arch/x86/mm/mmap_64.c @@ -16,11 +16,14 @@ void arch_pick_mmap_layout(struct mm_struct *mm) #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; |