diff options
author | Amerigo Wang <amwang@redhat.com> | 2009-05-11 22:05:28 -0400 |
---|---|---|
committer | Ingo Molnar <mingo@elte.hu> | 2009-05-12 05:13:45 -0400 |
commit | 9d62dcdfa6f6fc843f7d9b494bcd48f00b94f883 (patch) | |
tree | c319c1053b2b72b4d5eb29f87995f0e93c3ada51 /arch/x86/kernel/process_32.c | |
parent | 087fa4e964e04371a67f340e1f6ac92c5db5e0a6 (diff) |
x86: merge process.c a bit
Merge arch_align_stack() and arch_randomize_brk(), since
they are the same.
Tested on x86_64.
[ Impact: cleanup ]
Signed-off-by: Amerigo Wang <amwang@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/kernel/process_32.c')
-rw-r--r-- | arch/x86/kernel/process_32.c | 13 |
1 files changed, 0 insertions, 13 deletions
diff --git a/arch/x86/kernel/process_32.c b/arch/x86/kernel/process_32.c index 76f8f84043a2..a3bb049ad082 100644 --- a/arch/x86/kernel/process_32.c +++ b/arch/x86/kernel/process_32.c | |||
@@ -33,7 +33,6 @@ | |||
33 | #include <linux/module.h> | 33 | #include <linux/module.h> |
34 | #include <linux/kallsyms.h> | 34 | #include <linux/kallsyms.h> |
35 | #include <linux/ptrace.h> | 35 | #include <linux/ptrace.h> |
36 | #include <linux/random.h> | ||
37 | #include <linux/personality.h> | 36 | #include <linux/personality.h> |
38 | #include <linux/tick.h> | 37 | #include <linux/tick.h> |
39 | #include <linux/percpu.h> | 38 | #include <linux/percpu.h> |
@@ -497,15 +496,3 @@ unsigned long get_wchan(struct task_struct *p) | |||
497 | return 0; | 496 | return 0; |
498 | } | 497 | } |
499 | 498 | ||
500 | unsigned long arch_align_stack(unsigned long sp) | ||
501 | { | ||
502 | if (!(current->personality & ADDR_NO_RANDOMIZE) && randomize_va_space) | ||
503 | sp -= get_random_int() % 8192; | ||
504 | return sp & ~0xf; | ||
505 | } | ||
506 | |||
507 | unsigned long arch_randomize_brk(struct mm_struct *mm) | ||
508 | { | ||
509 | unsigned long range_end = mm->brk + 0x02000000; | ||
510 | return randomize_range(mm->brk, range_end, 0) ? : mm->brk; | ||
511 | } | ||