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authorAlexey Dobriyan <adobriyan@sw.ru>2007-10-16 23:27:30 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-17 08:42:55 -0700
commit42b2dd0a02c512cf59c96f5c227bf54bfe5bbf08 (patch)
treef9e4a572804897772d97e2db1ab0d2adcd28840c /include/linux/sched.h
parentbcbba6c10ef6b14b0542d7ed7380e95168175818 (diff)
downloadlwn-42b2dd0a02c512cf59c96f5c227bf54bfe5bbf08.tar.gz
lwn-42b2dd0a02c512cf59c96f5c227bf54bfe5bbf08.zip
Shrink task_struct if CONFIG_FUTEX=n
robust_list, compat_robust_list, pi_state_list, pi_state_cache are really used if futexes are on. Signed-off-by: Alexey Dobriyan <adobriyan@sw.ru> Acked-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/sched.h')
-rw-r--r--include/linux/sched.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 87f2eb27ee10..57166582a3f5 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1132,13 +1132,14 @@ struct task_struct {
int cpuset_mems_generation;
int cpuset_mem_spread_rotor;
#endif
+#ifdef CONFIG_FUTEX
struct robust_list_head __user *robust_list;
#ifdef CONFIG_COMPAT
struct compat_robust_list_head __user *compat_robust_list;
#endif
struct list_head pi_state_list;
struct futex_pi_state *pi_state_cache;
-
+#endif
atomic_t fs_excl; /* holding fs exclusive resources */
struct rcu_head rcu;