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| author | Jeff Garzik <jeff@garzik.org> | 2006-09-27 18:13:53 -0400 |
|---|---|---|
| committer | Jeff Garzik <jeff@garzik.org> | 2006-09-27 18:13:53 -0400 |
| commit | aebb1153ac54ddbbd3d3f0481a193f4bf0ead53b (patch) | |
| tree | 57425aa83c8bed5b41af7e3408024fe1f2fdded9 /include/linux/sched.h | |
| parent | 022e7a12b6aa11a11de4d708fe8606c9a6734b37 (diff) | |
| parent | a77c64c1a641950626181b4857abb701d8f38ccc (diff) | |
Merge branch 'master' into upstream
Diffstat (limited to 'include/linux/sched.h')
| -rw-r--r-- | include/linux/sched.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h index 34ed0d99b1b..9d4aa7f95bc 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -819,6 +819,11 @@ struct task_struct { unsigned did_exec:1; 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, * older sibling, respectively. (p->father can be replaced with @@ -865,6 +870,15 @@ struct task_struct { struct key *thread_keyring; /* keyring private to this thread */ unsigned char jit_keyring; /* default keyring to attach requested keys to */ #endif + /* + * fpu_counter contains the number of consecutive context switches + * that the FPU is used. If this is over a threshold, the lazy fpu + * saving becomes unlazy to save the trap. This is an unsigned char + * so that after 256 times the counter wraps and the behavior turns + * lazy again; this to deal with bursty apps that only use FPU for + * a short time + */ + unsigned char fpu_counter; int oomkilladj; /* OOM kill score adjustment (bit shift). */ char comm[TASK_COMM_LEN]; /* executable name excluding path - access with [gs]et_task_comm (which lock |