Commit 1314562a authored Aug 18, 2009 by Hiroshi Shimamoto Committed by Ingo Molnar Aug 18, 2009

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>

parent 8e5b59a2

include/linux/sched.h

+2 −0

Original line number	Diff line number	Diff line
		@@ -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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