The patch titled
Subject: proc: convert /proc/$PID/limits to seq_file interface
has been added to the -mm tree. Its filename is
proc-convert-proc-pid-limits-to-seq_file-interface.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/proc-convert-proc-pid-limits-to-seq_file-interface.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/proc-convert-proc-pid-limits-to-seq_file-interface.patch
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------------------------------------------------------
From: Alexey Dobriyan <adobriyan@xxxxxxxxx>
Subject: proc: convert /proc/$PID/limits to seq_file interface
Signed-off-by: Alexey Dobriyan <adobriyan@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/proc/base.c | 27 ++++++++++++---------------
1 file changed, 12 insertions(+), 15 deletions(-)
diff -puN fs/proc/base.c~proc-convert-proc-pid-limits-to-seq_file-interface fs/proc/base.c
--- a/fs/proc/base.c~proc-convert-proc-pid-limits-to-seq_file-interface
+++ a/fs/proc/base.c
@@ -440,12 +440,11 @@ static const struct limit_names lnames[R
};
/* Display limits for a process */
-static int proc_pid_limits(struct task_struct *task, char *buffer)
+static int proc_pid_limits(struct seq_file *m, struct pid_namespace *ns,
+ struct pid *pid, struct task_struct *task)
{
unsigned int i;
- int count = 0;
unsigned long flags;
- char *bufptr = buffer;
struct rlimit rlim[RLIM_NLIMITS];
@@ -457,31 +456,29 @@ static int proc_pid_limits(struct task_s
/*
* print the file header
*/
- count += sprintf(&bufptr[count], "%-25s %-20s %-20s %-10s\n",
+ seq_printf(m, "%-25s %-20s %-20s %-10s\n",
"Limit", "Soft Limit", "Hard Limit", "Units");
for (i = 0; i < RLIM_NLIMITS; i++) {
if (rlim[i].rlim_cur == RLIM_INFINITY)
- count += sprintf(&bufptr[count], "%-25s %-20s ",
+ seq_printf(m, "%-25s %-20s ",
lnames[i].name, "unlimited");
else
- count += sprintf(&bufptr[count], "%-25s %-20lu ",
+ seq_printf(m, "%-25s %-20lu ",
lnames[i].name, rlim[i].rlim_cur);
if (rlim[i].rlim_max == RLIM_INFINITY)
- count += sprintf(&bufptr[count], "%-20s ", "unlimited");
+ seq_printf(m, "%-20s ", "unlimited");
else
- count += sprintf(&bufptr[count], "%-20lu ",
- rlim[i].rlim_max);
+ seq_printf(m, "%-20lu ", rlim[i].rlim_max);
if (lnames[i].unit)
- count += sprintf(&bufptr[count], "%-10s\n",
- lnames[i].unit);
+ seq_printf(m, "%-10s\n", lnames[i].unit);
else
- count += sprintf(&bufptr[count], "\n");
+ seq_putc(m, '\n');
}
- return count;
+ return 0;
}
#ifdef CONFIG_HAVE_ARCH_TRACEHOOK
@@ -2558,7 +2555,7 @@ static const struct pid_entry tgid_base_
ONE("auxv", S_IRUSR, proc_pid_auxv),
ONE("status", S_IRUGO, proc_pid_status),
ONE("personality", S_IRUSR, proc_pid_personality),
- INF("limits", S_IRUGO, proc_pid_limits),
+ ONE("limits", S_IRUGO, proc_pid_limits),
#ifdef CONFIG_SCHED_DEBUG
REG("sched", S_IRUGO|S_IWUSR, proc_pid_sched_operations),
#endif
@@ -2897,7 +2894,7 @@ static const struct pid_entry tid_base_s
ONE("auxv", S_IRUSR, proc_pid_auxv),
ONE("status", S_IRUGO, proc_pid_status),
ONE("personality", S_IRUSR, proc_pid_personality),
- INF("limits", S_IRUGO, proc_pid_limits),
+ ONE("limits", S_IRUGO, proc_pid_limits),
#ifdef CONFIG_SCHED_DEBUG
REG("sched", S_IRUGO|S_IWUSR, proc_pid_sched_operations),
#endif
_
Patches currently in -mm which might be from adobriyan@xxxxxxxxx are
lib-test-kstrtoxc-use-array_size-instead-of-sizeof-sizeof.patch
proc-add-and-remove-proc-entry-create-checks.patch
proc-faster-proc-pid-lookup.patch
proc-make-proc_subdir_lock-static.patch
proc-remove-proc_tty_ldisc-variable.patch
proc-remove-proc_tty_ldisc-variable-fix.patch
proc-more-const-char-pointers.patch
proc-convert-proc-pid-auxv-to-seq_file-interface.patch
proc-convert-proc-pid-limits-to-seq_file-interface.patch
proc-convert-proc-pid-syscall-to-seq_file-interface.patch
proc-fix-page_size-limit-of-proc-pid-cmdline.patch
proc-convert-proc-pid-wchan-to-seq_file-interface.patch
proc-convert-proc-pid-schedstat-to-seq_file-interface.patch
proc-convert-proc-pid-oom_score-to-seq_file-interface.patch
proc-convert-proc-pid-io-to-seq_file-interface.patch
proc-convert-proc-pid-hardwall-to-seq_file-interface.patch
proc-remove-inf-macro.patch
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