Messages in this thread Patch in this message | | | Date | Tue, 18 Aug 2009 13:48:37 GMT | From | tip-bot for Hiroshi Shimamoto <> | Subject | [tip:sched/core] sched, task_struct: stack_canary is not needed without CC_STACKPROTECTOR |
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Commit-ID: 1314562a9ae5f39f6f595656023c1baf970831ef Gitweb: http://git.kernel.org/tip/1314562a9ae5f39f6f595656023c1baf970831ef Author: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com> AuthorDate: Tue, 18 Aug 2009 15:06:02 +0900 Committer: Ingo Molnar <mingo@elte.hu> CommitDate: Tue, 18 Aug 2009 15:45:11 +0200
sched, task_struct: stack_canary is not needed without CC_STACKPROTECTOR
The field stack_canary is only used with CC_STACKPROTECTOR. This patch reduces task_struct size without CC_STACKPROTECTOR.
Signed-off-by: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com> LKML-Reference: <4A8A44CA.2020701@ct.jp.nec.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
--- include/linux/sched.h | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/include/linux/sched.h b/include/linux/sched.h index 195d72d..7bc2d92 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -1237,8 +1237,10 @@ struct task_struct { pid_t pid; pid_t tgid; +#ifdef CONFIG_CC_STACKPROTECTOR /* Canary value for the -fstack-protector gcc feature */ unsigned long stack_canary; +#endif /* * pointers to (original) parent process, youngest child, younger sibling,
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