[patch 4/5] fs, proc: Add start_data, end_data, start_brk members to /proc/$pid/stat

From: Cyrill Gorcunov
Date: Fri Oct 14 2011 - 07:06:26 EST


It helps to dump and restore this mm_struct members at chekpoint/restore time.

Signed-off-by: Cyrill Gorcunov <gorcunov@xxxxxxxxxx>
---
fs/proc/array.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)

Index: linux-2.6.git/fs/proc/array.c
===================================================================
--- linux-2.6.git.orig/fs/proc/array.c
+++ linux-2.6.git/fs/proc/array.c
@@ -478,7 +478,7 @@ static int do_task_stat(struct seq_file

seq_printf(m, "%d (%s) %c %d %d %d %d %d %u %lu \
%lu %lu %lu %lu %lu %ld %ld %ld %ld %d 0 %llu %lu %ld %lu %lu %lu %lu %lu \
-%lu %lu %lu %lu %lu %lu %lu %lu %d %d %u %u %llu %lu %ld\n",
+%lu %lu %lu %lu %lu %lu %lu %lu %d %d %u %u %llu %lu %ld %lu %lu %lu\n",
pid_nr_ns(pid, ns),
tcomm,
state,
@@ -525,7 +525,10 @@ static int do_task_stat(struct seq_file
task->policy,
(unsigned long long)delayacct_blkio_ticks(task),
cputime_to_clock_t(gtime),
- cputime_to_clock_t(cgtime));
+ cputime_to_clock_t(cgtime),
+ mm ? (permitted ? mm->start_data : 1) : 0,
+ mm ? (permitted ? mm->end_data : 1) : 0,
+ mm ? (permitted ? mm->start_brk : 1) : 0);
if (mm)
mmput(mm);
return 0;

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