Merge git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild-next

[mv-sheeva.git] / include / linux / sched.h

diff --git a/include/linux/sched.h b/include/linux/sched.h
index 97b10da0a3eafa8f4b4c9e906681d961e82ba550..cbf2a3b46280a78f8d8cdfc408492fb1ac26fad3 100644 (file)
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -426,6 +426,15 @@ static inline unsigned long get_mm_hiwater_rss(struct mm_struct *mm)
        return max(mm->hiwater_rss, get_mm_rss(mm));
 }
 
+static inline void setmax_mm_hiwater_rss(unsigned long *maxrss,
+                                        struct mm_struct *mm)
+{
+       unsigned long hiwater_rss = get_mm_hiwater_rss(mm);
+
+       if (*maxrss < hiwater_rss)
+               *maxrss = hiwater_rss;
+}
+
 static inline unsigned long get_mm_hiwater_vm(struct mm_struct *mm)
 {
        return max(mm->hiwater_vm, mm->total_vm);
@@ -484,6 +493,13 @@ struct pacct_struct {
        unsigned long           ac_minflt, ac_majflt;
 };
 
+struct cpu_itimer {
+       cputime_t expires;
+       cputime_t incr;
+       u32 error;
+       u32 incr_error;
+};
+
 /**
  * struct task_cputime - collected CPU time counts
  * @utime:             time spent in user mode, in &cputime_t units
@@ -578,9 +594,12 @@ struct signal_struct {
        struct pid *leader_pid;
        ktime_t it_real_incr;
 
-       /* ITIMER_PROF and ITIMER_VIRTUAL timers for the process */
-       cputime_t it_prof_expires, it_virt_expires;
-       cputime_t it_prof_incr, it_virt_incr;
+       /*
+        * ITIMER_PROF and ITIMER_VIRTUAL timers for the process, we use
+        * CPUCLOCK_PROF and CPUCLOCK_VIRT for indexing array as these
+        * values are defined to 0 and 1 respectively
+        */
+       struct cpu_itimer it[2];
 
        /*
         * Thread group totals for process CPU timers.
@@ -612,6 +631,7 @@ struct signal_struct {
        unsigned long nvcsw, nivcsw, cnvcsw, cnivcsw;
        unsigned long min_flt, maj_flt, cmin_flt, cmaj_flt;
        unsigned long inblock, oublock, cinblock, coublock;
+       unsigned long maxrss, cmaxrss;
        struct task_io_accounting ioac;
 
        /*
@@ -1519,6 +1539,7 @@ struct task_struct {
        /* bitmask of trace recursion */
        unsigned long trace_recursion;
 #endif /* CONFIG_TRACING */
+       unsigned long stack_start;
 };
 
 /* Future-safe accessor for struct task_struct's cpus_allowed. */