The patch titled
Subject: sched-proc-sched_stat-fails-on-very-very-large-machines-v2
has been removed from the -mm tree. Its filename was
sched-proc-sched_stat-fails-on-very-very-large-machines-v2.patch
This patch was dropped because it was folded into sched-proc-sched_stat-fails-on-very-very-large-machines.patch
------------------------------------------------------
From: Nathan Zimmer <nzimmer@xxxxxxx>
Subject: sched-proc-sched_stat-fails-on-very-very-large-machines-v2
v2: Took Andrew's suggestion to add comments, fix memleak
Signed-off-by: Nathan Zimmer <nzimmer@xxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Dave Jones <davej@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
kernel/sched/stats.c | 7 +++++++
1 file changed, 7 insertions(+)
diff -puN kernel/sched/stats.c~sched-proc-sched_stat-fails-on-very-very-large-machines-v2 kernel/sched/stats.c
--- a/kernel/sched/stats.c~sched-proc-sched_stat-fails-on-very-very-large-machines-v2
+++ a/kernel/sched/stats.c
@@ -81,6 +81,13 @@ static int show_schedstat(struct seq_fil
return 0;
}
+/*
+ * This itererator needs some explination.
+ * It returns 1 for the header position.
+ * This means 2 is cpu 0.
+ * In a hotplugged system some cpus, including cpu 0, may be missing so we have
+ * to use cpumask_* to iterate over the cpus.
+ */
static void *schedstat_start(struct seq_file *file, loff_t *offset)
{
unsigned long n = *offset;
_
Patches currently in -mm which might be from nzimmer@xxxxxxx are
sched-proc-sched_stat-fails-on-very-very-large-machines.patch
sched-proc-sched_stat-fails-on-very-very-large-machines-v2-fix.patch
sched-proc-sched_stat-fails-on-very-very-large-machines-v2-fix-fix.patch
sched-proc-sched_debug-fails-on-very-very-large-machines.patch
sched-proc-sched_debug-fails-on-very-very-large-machines-fix.patch
sched-proc-sched_debug-fails-on-very-very-large-machines-v2.patch
sched-proc-sched_debug-fails-on-very-very-large-machines-v2-fix.patch
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