The patch titled
Subject: proc: convert /proc/$PID/auxv to seq_file interface
has been removed from the -mm tree. Its filename was
proc-convert-proc-pid-auxv-to-seq_file-interface.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
From: Alexey Dobriyan <adobriyan@xxxxxxxxx>
Subject: proc: convert /proc/$PID/auxv to seq_file interface
Signed-off-by: Alexey Dobriyan <adobriyan@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/proc/base.c | 18 ++++++++----------
1 file changed, 8 insertions(+), 10 deletions(-)
diff -puN fs/proc/base.c~proc-convert-proc-pid-auxv-to-seq_file-interface fs/proc/base.c
--- a/fs/proc/base.c~proc-convert-proc-pid-auxv-to-seq_file-interface
+++ a/fs/proc/base.c
@@ -205,22 +205,20 @@ static int proc_pid_cmdline(struct task_
return get_cmdline(task, buffer, PAGE_SIZE);
}
-static int proc_pid_auxv(struct task_struct *task, char *buffer)
+static int proc_pid_auxv(struct seq_file *m, struct pid_namespace *ns,
+ struct pid *pid, struct task_struct *task)
{
struct mm_struct *mm = mm_access(task, PTRACE_MODE_READ);
- int res = PTR_ERR(mm);
if (mm && !IS_ERR(mm)) {
unsigned int nwords = 0;
do {
nwords += 2;
} while (mm->saved_auxv[nwords - 2] != 0); /* AT_NULL */
- res = nwords * sizeof(mm->saved_auxv[0]);
- if (res > PAGE_SIZE)
- res = PAGE_SIZE;
- memcpy(buffer, mm->saved_auxv, res);
+ seq_write(m, mm->saved_auxv, nwords * sizeof(mm->saved_auxv[0]));
mmput(mm);
- }
- return res;
+ return 0;
+ } else
+ return PTR_ERR(mm);
}
@@ -2557,7 +2555,7 @@ static const struct pid_entry tgid_base_
DIR("net", S_IRUGO|S_IXUGO, proc_net_inode_operations, proc_net_operations),
#endif
REG("environ", S_IRUSR, proc_environ_operations),
- INF("auxv", S_IRUSR, proc_pid_auxv),
+ 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),
@@ -2896,7 +2894,7 @@ static const struct pid_entry tid_base_s
DIR("fdinfo", S_IRUSR|S_IXUSR, proc_fdinfo_inode_operations, proc_fdinfo_operations),
DIR("ns", S_IRUSR|S_IXUGO, proc_ns_dir_inode_operations, proc_ns_dir_operations),
REG("environ", S_IRUSR, proc_environ_operations),
- INF("auxv", S_IRUSR, proc_pid_auxv),
+ 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),
_
Patches currently in -mm which might be from adobriyan@xxxxxxxxx are
origin.patch
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