[PATCH] NOMMU: move the fallback arch_vma_name() to a sensible place

[GitHub/mt8127/android_kernel_alcatel_ttab.git] / include / linux / sched.h

diff --git a/include/linux/sched.h b/include/linux/sched.h
index 6afa72e080cb7665bc4be600db1b4fe382460ccd..9d4aa7f95bc8a9172b021f5d1c5137290f51c336 100644 (file)
--- 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
@@ -994,7 +1008,6 @@ struct task_struct {
         */
        struct pipe_inode_info *splice_pipe;
 #ifdef CONFIG_TASK_DELAY_ACCT
-       spinlock_t delays_lock;
        struct task_delay_info *delays;
 #endif
 };
@@ -1557,6 +1570,14 @@ static inline void freeze(struct task_struct *p)
        p->flags |= PF_FREEZE;
 }
 
+/*
+ * Sometimes we may need to cancel the previous 'freeze' request
+ */
+static inline void do_not_freeze(struct task_struct *p)
+{
+       p->flags &= ~PF_FREEZE;
+}
+
 /*
  * Wake up a frozen process
  */