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proc: seqfile convert proc_pid_status to properly handle pid namespaces

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Currently we possibly lookup the pid in the wrong pid namespace.  So
seq_file convert proc_pid_status which ensures the proper pid namespaces is
passed in.

[akpm@linux-foundation.org: coding-style fixes]
[akpm@linux-foundation.org: build fix]
[akpm@linux-foundation.org: another build fix]
[akpm@linux-foundation.org: s390 build fix]
[akpm@linux-foundation.org: fix task_name() output]
[akpm@linux-foundation.org: fix nommu build]
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Cc: Andrew Morgan <morgan@kernel.org>
Cc: Serge Hallyn <serue@us.ibm.com>
Cc: Cedric Le Goater <clg@fr.ibm.com>
Cc: Pavel Emelyanov <xemul@openvz.org>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Paul Menage <menage@google.com>
Cc: Paul Jackson <pj@sgi.com>
Cc: David Rientjes <rientjes@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Eric W. Biederman 2008-02-08 04:18:33 -08:00 • committed by Linus Torvalds
parent a56d3fc74c
commit df5f8314ca
10 changed files with 102 additions and 100 deletions
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9
include/linux/cpuset.h
View file

@ -57,7 +57,9 @@ extern int cpuset_memory_pressure_enabled;
extern void __cpuset_memory_pressure_bump(void);
extern const struct file_operations proc_cpuset_operations;
extern char *cpuset_task_status_allowed(struct task_struct *task, char *buffer);
struct seq_file;
extern void cpuset_task_status_allowed(struct seq_file *m,
struct task_struct *task);
extern void cpuset_lock(void);
extern void cpuset_unlock(void);
@ -126,10 +128,9 @@ static inline int cpuset_mems_allowed_intersects(const struct task_struct *tsk1,
static inline void cpuset_memory_pressure_bump(void) {}
static inline char *cpuset_task_status_allowed(struct task_struct *task,
char *buffer)
static inline void cpuset_task_status_allowed(struct seq_file *m,
struct task_struct *task)
{
return buffer;
}
static inline void cpuset_lock(void) {}