mirror of
https://github.com/joel16/android_kernel_sony_msm8994.git
synced 2024-12-03 18:02:26 +00:00
proc: seqfile convert proc_pid_status to properly handle pid namespaces
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
Linus Torvalds
parent
a56d3fc74c
commit
df5f8314ca
@ -24,6 +24,7 @@
|
||||
#include <linux/smp.h>
|
||||
#include <linux/init.h>
|
||||
#include <linux/interrupt.h>
|
||||
#include <linux/seq_file.h>
|
||||
#include <linux/delay.h>
|
||||
#include <linux/module.h>
|
||||
#include <linux/kdebug.h>
|
||||
@ -218,41 +219,40 @@ void show_registers(struct pt_regs *regs)
|
||||
}
|
||||
|
||||
/* This is called from fs/proc/array.c */
|
||||
char *task_show_regs(struct task_struct *task, char *buffer)
|
||||
void task_show_regs(struct seq_file *m, struct task_struct *task)
|
||||
{
|
||||
struct pt_regs *regs;
|
||||
|
||||
regs = task_pt_regs(task);
|
||||
buffer += sprintf(buffer, "task: %p, ksp: %p\n",
|
||||
seq_printf(m, "task: %p, ksp: %p\n",
|
||||
task, (void *)task->thread.ksp);
|
||||
buffer += sprintf(buffer, "User PSW : %p %p\n",
|
||||
seq_printf(m, "User PSW : %p %p\n",
|
||||
(void *) regs->psw.mask, (void *)regs->psw.addr);
|
||||
|
||||
buffer += sprintf(buffer, "User GPRS: " FOURLONG,
|
||||
seq_printf(m, "User GPRS: " FOURLONG,
|
||||
regs->gprs[0], regs->gprs[1],
|
||||
regs->gprs[2], regs->gprs[3]);
|
||||
buffer += sprintf(buffer, " " FOURLONG,
|
||||
seq_printf(m, " " FOURLONG,
|
||||
regs->gprs[4], regs->gprs[5],
|
||||
regs->gprs[6], regs->gprs[7]);
|
||||
buffer += sprintf(buffer, " " FOURLONG,
|
||||
seq_printf(m, " " FOURLONG,
|
||||
regs->gprs[8], regs->gprs[9],
|
||||
regs->gprs[10], regs->gprs[11]);
|
||||
buffer += sprintf(buffer, " " FOURLONG,
|
||||
seq_printf(m, " " FOURLONG,
|
||||
regs->gprs[12], regs->gprs[13],
|
||||
regs->gprs[14], regs->gprs[15]);
|
||||
buffer += sprintf(buffer, "User ACRS: %08x %08x %08x %08x\n",
|
||||
seq_printf(m, "User ACRS: %08x %08x %08x %08x\n",
|
||||
task->thread.acrs[0], task->thread.acrs[1],
|
||||
task->thread.acrs[2], task->thread.acrs[3]);
|
||||
buffer += sprintf(buffer, " %08x %08x %08x %08x\n",
|
||||
seq_printf(m, " %08x %08x %08x %08x\n",
|
||||
task->thread.acrs[4], task->thread.acrs[5],
|
||||
task->thread.acrs[6], task->thread.acrs[7]);
|
||||
buffer += sprintf(buffer, " %08x %08x %08x %08x\n",
|
||||
seq_printf(m, " %08x %08x %08x %08x\n",
|
||||
task->thread.acrs[8], task->thread.acrs[9],
|
||||
task->thread.acrs[10], task->thread.acrs[11]);
|
||||
buffer += sprintf(buffer, " %08x %08x %08x %08x\n",
|
||||
seq_printf(m, " %08x %08x %08x %08x\n",
|
||||
task->thread.acrs[12], task->thread.acrs[13],
|
||||
task->thread.acrs[14], task->thread.acrs[15]);
|
||||
return buffer;
|
||||
}
|
||||
|
||||
static DEFINE_SPINLOCK(die_lock);
|
||||
|
||||
128
fs/proc/array.c
128
fs/proc/array.c
@ -89,18 +89,21 @@
|
||||
do { memcpy(buffer, string, strlen(string)); \
|
||||
buffer += strlen(string); } while (0)
|
||||
|
||||
static inline char *task_name(struct task_struct *p, char *buf)
|
||||
static inline void task_name(struct seq_file *m, struct task_struct *p)
|
||||
{
|
||||
int i;
|
||||
char *buf, *end;
|
||||
char *name;
|
||||
char tcomm[sizeof(p->comm)];
|
||||
|
||||
get_task_comm(tcomm, p);
|
||||
|
||||
ADDBUF(buf, "Name:\t");
|
||||
seq_printf(m, "Name:\t");
|
||||
end = m->buf + m->size;
|
||||
buf = m->buf + m->count;
|
||||
name = tcomm;
|
||||
i = sizeof(tcomm);
|
||||
do {
|
||||
while (i && (buf < end)) {
|
||||
unsigned char c = *name;
|
||||
name++;
|
||||
i--;
|
||||
@ -108,20 +111,21 @@ static inline char *task_name(struct task_struct *p, char *buf)
|
||||
if (!c)
|
||||
break;
|
||||
if (c == '\\') {
|
||||
buf[1] = c;
|
||||
buf += 2;
|
||||
buf++;
|
||||
if (buf < end)
|
||||
*buf++ = c;
|
||||
continue;
|
||||
}
|
||||
if (c == '\n') {
|
||||
buf[0] = '\\';
|
||||
buf[1] = 'n';
|
||||
buf += 2;
|
||||
*buf++ = '\\';
|
||||
if (buf < end)
|
||||
*buf++ = 'n';
|
||||
continue;
|
||||
}
|
||||
buf++;
|
||||
} while (i);
|
||||
*buf = '\n';
|
||||
return buf+1;
|
||||
}
|
||||
m->count = buf - m->buf;
|
||||
seq_printf(m, "\n");
|
||||
}
|
||||
|
||||
/*
|
||||
@ -152,21 +156,20 @@ static inline const char *get_task_state(struct task_struct *tsk)
|
||||
return *p;
|
||||
}
|
||||
|
||||
static inline char *task_state(struct task_struct *p, char *buffer)
|
||||
static inline void task_state(struct seq_file *m, struct pid_namespace *ns,
|
||||
struct pid *pid, struct task_struct *p)
|
||||
{
|
||||
struct group_info *group_info;
|
||||
int g;
|
||||
struct fdtable *fdt = NULL;
|
||||
struct pid_namespace *ns;
|
||||
pid_t ppid, tpid;
|
||||
|
||||
ns = current->nsproxy->pid_ns;
|
||||
rcu_read_lock();
|
||||
ppid = pid_alive(p) ?
|
||||
task_tgid_nr_ns(rcu_dereference(p->real_parent), ns) : 0;
|
||||
tpid = pid_alive(p) && p->ptrace ?
|
||||
task_pid_nr_ns(rcu_dereference(p->parent), ns) : 0;
|
||||
buffer += sprintf(buffer,
|
||||
seq_printf(m,
|
||||
"State:\t%s\n"
|
||||
"Tgid:\t%d\n"
|
||||
"Pid:\t%d\n"
|
||||
@ -176,7 +179,7 @@ static inline char *task_state(struct task_struct *p, char *buffer)
|
||||
"Gid:\t%d\t%d\t%d\t%d\n",
|
||||
get_task_state(p),
|
||||
task_tgid_nr_ns(p, ns),
|
||||
task_pid_nr_ns(p, ns),
|
||||
pid_nr_ns(pid, ns),
|
||||
ppid, tpid,
|
||||
p->uid, p->euid, p->suid, p->fsuid,
|
||||
p->gid, p->egid, p->sgid, p->fsgid);
|
||||
@ -184,7 +187,7 @@ static inline char *task_state(struct task_struct *p, char *buffer)
|
||||
task_lock(p);
|
||||
if (p->files)
|
||||
fdt = files_fdtable(p->files);
|
||||
buffer += sprintf(buffer,
|
||||
seq_printf(m,
|
||||
"FDSize:\t%d\n"
|
||||
"Groups:\t",
|
||||
fdt ? fdt->max_fds : 0);
|
||||
@ -195,20 +198,18 @@ static inline char *task_state(struct task_struct *p, char *buffer)
|
||||
task_unlock(p);
|
||||
|
||||
for (g = 0; g < min(group_info->ngroups, NGROUPS_SMALL); g++)
|
||||
buffer += sprintf(buffer, "%d ", GROUP_AT(group_info, g));
|
||||
seq_printf(m, "%d ", GROUP_AT(group_info, g));
|
||||
put_group_info(group_info);
|
||||
|
||||
buffer += sprintf(buffer, "\n");
|
||||
return buffer;
|
||||
seq_printf(m, "\n");
|
||||
}
|
||||
|
||||
static char *render_sigset_t(const char *header, sigset_t *set, char *buffer)
|
||||
static void render_sigset_t(struct seq_file *m, const char *header,
|
||||
sigset_t *set)
|
||||
{
|
||||
int i, len;
|
||||
int i;
|
||||
|
||||
len = strlen(header);
|
||||
memcpy(buffer, header, len);
|
||||
buffer += len;
|
||||
seq_printf(m, "%s", header);
|
||||
|
||||
i = _NSIG;
|
||||
do {
|
||||
@ -219,12 +220,10 @@ static char *render_sigset_t(const char *header, sigset_t *set, char *buffer)
|
||||
if (sigismember(set, i+2)) x |= 2;
|
||||
if (sigismember(set, i+3)) x |= 4;
|
||||
if (sigismember(set, i+4)) x |= 8;
|
||||
*buffer++ = (x < 10 ? '0' : 'a' - 10) + x;
|
||||
seq_printf(m, "%x", x);
|
||||
} while (i >= 4);
|
||||
|
||||
*buffer++ = '\n';
|
||||
*buffer = 0;
|
||||
return buffer;
|
||||
seq_printf(m, "\n");
|
||||
}
|
||||
|
||||
static void collect_sigign_sigcatch(struct task_struct *p, sigset_t *ign,
|
||||
@ -242,7 +241,7 @@ static void collect_sigign_sigcatch(struct task_struct *p, sigset_t *ign,
|
||||
}
|
||||
}
|
||||
|
||||
static inline char *task_sig(struct task_struct *p, char *buffer)
|
||||
static inline void task_sig(struct seq_file *m, struct task_struct *p)
|
||||
{
|
||||
unsigned long flags;
|
||||
sigset_t pending, shpending, blocked, ignored, caught;
|
||||
@ -269,67 +268,66 @@ static inline char *task_sig(struct task_struct *p, char *buffer)
|
||||
}
|
||||
rcu_read_unlock();
|
||||
|
||||
buffer += sprintf(buffer, "Threads:\t%d\n", num_threads);
|
||||
buffer += sprintf(buffer, "SigQ:\t%lu/%lu\n", qsize, qlim);
|
||||
seq_printf(m, "Threads:\t%d\n", num_threads);
|
||||
seq_printf(m, "SigQ:\t%lu/%lu\n", qsize, qlim);
|
||||
|
||||
/* render them all */
|
||||
buffer = render_sigset_t("SigPnd:\t", &pending, buffer);
|
||||
buffer = render_sigset_t("ShdPnd:\t", &shpending, buffer);
|
||||
buffer = render_sigset_t("SigBlk:\t", &blocked, buffer);
|
||||
buffer = render_sigset_t("SigIgn:\t", &ignored, buffer);
|
||||
buffer = render_sigset_t("SigCgt:\t", &caught, buffer);
|
||||
|
||||
return buffer;
|
||||
render_sigset_t(m, "SigPnd:\t", &pending);
|
||||
render_sigset_t(m, "ShdPnd:\t", &shpending);
|
||||
render_sigset_t(m, "SigBlk:\t", &blocked);
|
||||
render_sigset_t(m, "SigIgn:\t", &ignored);
|
||||
render_sigset_t(m, "SigCgt:\t", &caught);
|
||||
}
|
||||
|
||||
static char *render_cap_t(const char *header, kernel_cap_t *a, char *buffer)
|
||||
static void render_cap_t(struct seq_file *m, const char *header,
|
||||
kernel_cap_t *a)
|
||||
{
|
||||
unsigned __capi;
|
||||
|
||||
buffer += sprintf(buffer, "%s", header);
|
||||
seq_printf(m, "%s", header);
|
||||
CAP_FOR_EACH_U32(__capi) {
|
||||
buffer += sprintf(buffer, "%08x",
|
||||
a->cap[(_LINUX_CAPABILITY_U32S-1) - __capi]);
|
||||
seq_printf(m, "%08x",
|
||||
a->cap[(_LINUX_CAPABILITY_U32S-1) - __capi]);
|
||||
}
|
||||
return buffer + sprintf(buffer, "\n");
|
||||
seq_printf(m, "\n");
|
||||
}
|
||||
|
||||
static inline char *task_cap(struct task_struct *p, char *buffer)
|
||||
static inline void task_cap(struct seq_file *m, struct task_struct *p)
|
||||
{
|
||||
buffer = render_cap_t("CapInh:\t", &p->cap_inheritable, buffer);
|
||||
buffer = render_cap_t("CapPrm:\t", &p->cap_permitted, buffer);
|
||||
return render_cap_t("CapEff:\t", &p->cap_effective, buffer);
|
||||
render_cap_t(m, "CapInh:\t", &p->cap_inheritable);
|
||||
render_cap_t(m, "CapPrm:\t", &p->cap_permitted);
|
||||
render_cap_t(m, "CapEff:\t", &p->cap_effective);
|
||||
}
|
||||
|
||||
static inline char *task_context_switch_counts(struct task_struct *p,
|
||||
char *buffer)
|
||||
static inline void task_context_switch_counts(struct seq_file *m,
|
||||
struct task_struct *p)
|
||||
{
|
||||
return buffer + sprintf(buffer, "voluntary_ctxt_switches:\t%lu\n"
|
||||
"nonvoluntary_ctxt_switches:\t%lu\n",
|
||||
p->nvcsw,
|
||||
p->nivcsw);
|
||||
seq_printf(m, "voluntary_ctxt_switches:\t%lu\n"
|
||||
"nonvoluntary_ctxt_switches:\t%lu\n",
|
||||
p->nvcsw,
|
||||
p->nivcsw);
|
||||
}
|
||||
|
||||
int proc_pid_status(struct task_struct *task, char *buffer)
|
||||
int proc_pid_status(struct seq_file *m, struct pid_namespace *ns,
|
||||
struct pid *pid, struct task_struct *task)
|
||||
{
|
||||
char *orig = buffer;
|
||||
struct mm_struct *mm = get_task_mm(task);
|
||||
|
||||
buffer = task_name(task, buffer);
|
||||
buffer = task_state(task, buffer);
|
||||
task_name(m, task);
|
||||
task_state(m, ns, pid, task);
|
||||
|
||||
if (mm) {
|
||||
buffer = task_mem(mm, buffer);
|
||||
task_mem(m, mm);
|
||||
mmput(mm);
|
||||
}
|
||||
buffer = task_sig(task, buffer);
|
||||
buffer = task_cap(task, buffer);
|
||||
buffer = cpuset_task_status_allowed(task, buffer);
|
||||
task_sig(m, task);
|
||||
task_cap(m, task);
|
||||
cpuset_task_status_allowed(m, task);
|
||||
#if defined(CONFIG_S390)
|
||||
buffer = task_show_regs(task, buffer);
|
||||
task_show_regs(m, task);
|
||||
#endif
|
||||
buffer = task_context_switch_counts(task, buffer);
|
||||
return buffer - orig;
|
||||
task_context_switch_counts(m, task);
|
||||
return 0;
|
||||
}
|
||||
|
||||
/*
|
||||
|
||||
@ -2274,7 +2274,7 @@ static const struct pid_entry tgid_base_stuff[] = {
|
||||
DIR("fdinfo", S_IRUSR|S_IXUSR, fdinfo),
|
||||
REG("environ", S_IRUSR, environ),
|
||||
INF("auxv", S_IRUSR, pid_auxv),
|
||||
INF("status", S_IRUGO, pid_status),
|
||||
ONE("status", S_IRUGO, pid_status),
|
||||
INF("limits", S_IRUSR, pid_limits),
|
||||
#ifdef CONFIG_SCHED_DEBUG
|
||||
REG("sched", S_IRUGO|S_IWUSR, pid_sched),
|
||||
@ -2605,7 +2605,7 @@ static const struct pid_entry tid_base_stuff[] = {
|
||||
DIR("fdinfo", S_IRUSR|S_IXUSR, fdinfo),
|
||||
REG("environ", S_IRUSR, environ),
|
||||
INF("auxv", S_IRUSR, pid_auxv),
|
||||
INF("status", S_IRUGO, pid_status),
|
||||
ONE("status", S_IRUGO, pid_status),
|
||||
INF("limits", S_IRUSR, pid_limits),
|
||||
#ifdef CONFIG_SCHED_DEBUG
|
||||
REG("sched", S_IRUGO|S_IWUSR, pid_sched),
|
||||
|
||||
@ -53,7 +53,8 @@ extern int proc_tid_stat(struct seq_file *m, struct pid_namespace *ns,
|
||||
struct pid *pid, struct task_struct *task);
|
||||
extern int proc_tgid_stat(struct seq_file *m, struct pid_namespace *ns,
|
||||
struct pid *pid, struct task_struct *task);
|
||||
extern int proc_pid_status(struct task_struct *, char *);
|
||||
extern int proc_pid_status(struct seq_file *m, struct pid_namespace *ns,
|
||||
struct pid *pid, struct task_struct *task);
|
||||
extern int proc_pid_statm(struct seq_file *m, struct pid_namespace *ns,
|
||||
struct pid *pid, struct task_struct *task);
|
||||
extern loff_t mem_lseek(struct file *file, loff_t offset, int orig);
|
||||
|
||||
@ -9,13 +9,14 @@
|
||||
#include <linux/mempolicy.h>
|
||||
#include <linux/swap.h>
|
||||
#include <linux/swapops.h>
|
||||
#include <linux/seq_file.h>
|
||||
|
||||
#include <asm/elf.h>
|
||||
#include <asm/uaccess.h>
|
||||
#include <asm/tlbflush.h>
|
||||
#include "internal.h"
|
||||
|
||||
char *task_mem(struct mm_struct *mm, char *buffer)
|
||||
void task_mem(struct seq_file *m, struct mm_struct *mm)
|
||||
{
|
||||
unsigned long data, text, lib;
|
||||
unsigned long hiwater_vm, total_vm, hiwater_rss, total_rss;
|
||||
@ -37,7 +38,7 @@ char *task_mem(struct mm_struct *mm, char *buffer)
|
||||
data = mm->total_vm - mm->shared_vm - mm->stack_vm;
|
||||
text = (PAGE_ALIGN(mm->end_code) - (mm->start_code & PAGE_MASK)) >> 10;
|
||||
lib = (mm->exec_vm << (PAGE_SHIFT-10)) - text;
|
||||
buffer += sprintf(buffer,
|
||||
seq_printf(m,
|
||||
"VmPeak:\t%8lu kB\n"
|
||||
"VmSize:\t%8lu kB\n"
|
||||
"VmLck:\t%8lu kB\n"
|
||||
@ -56,7 +57,6 @@ char *task_mem(struct mm_struct *mm, char *buffer)
|
||||
data << (PAGE_SHIFT-10),
|
||||
mm->stack_vm << (PAGE_SHIFT-10), text, lib,
|
||||
(PTRS_PER_PTE*sizeof(pte_t)*mm->nr_ptes) >> 10);
|
||||
return buffer;
|
||||
}
|
||||
|
||||
unsigned long task_vsize(struct mm_struct *mm)
|
||||
|
||||
@ -12,7 +12,7 @@
|
||||
* each process that owns it. Non-shared memory is counted
|
||||
* accurately.
|
||||
*/
|
||||
char *task_mem(struct mm_struct *mm, char *buffer)
|
||||
void task_mem(struct seq_file *m, struct mm_struct *mm)
|
||||
{
|
||||
struct vm_list_struct *vml;
|
||||
unsigned long bytes = 0, sbytes = 0, slack = 0;
|
||||
@ -58,14 +58,13 @@ char *task_mem(struct mm_struct *mm, char *buffer)
|
||||
|
||||
bytes += kobjsize(current); /* includes kernel stack */
|
||||
|
||||
buffer += sprintf(buffer,
|
||||
seq_printf(m,
|
||||
"Mem:\t%8lu bytes\n"
|
||||
"Slack:\t%8lu bytes\n"
|
||||
"Shared:\t%8lu bytes\n",
|
||||
bytes, slack, sbytes);
|
||||
|
||||
up_read(&mm->mmap_sem);
|
||||
return buffer;
|
||||
}
|
||||
|
||||
unsigned long task_vsize(struct mm_struct *mm)
|
||||
|
||||
@ -161,6 +161,7 @@ struct stack_frame {
|
||||
/* Forward declaration, a strange C thing */
|
||||
struct task_struct;
|
||||
struct mm_struct;
|
||||
struct seq_file;
|
||||
|
||||
/* Free all resources held by a thread. */
|
||||
extern void release_thread(struct task_struct *);
|
||||
@ -177,7 +178,7 @@ extern unsigned long thread_saved_pc(struct task_struct *t);
|
||||
/*
|
||||
* Print register of task into buffer. Used in fs/proc/array.c.
|
||||
*/
|
||||
extern char *task_show_regs(struct task_struct *task, char *buffer);
|
||||
extern void task_show_regs(struct seq_file *m, struct task_struct *task);
|
||||
|
||||
extern void show_registers(struct pt_regs *regs);
|
||||
extern void show_code(struct pt_regs *regs);
|
||||
|
||||
@ -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) {}
|
||||
|
||||
@ -118,7 +118,8 @@ struct dentry *proc_pid_lookup(struct inode *dir, struct dentry * dentry, struct
|
||||
int proc_pid_readdir(struct file * filp, void * dirent, filldir_t filldir);
|
||||
unsigned long task_vsize(struct mm_struct *);
|
||||
int task_statm(struct mm_struct *, int *, int *, int *, int *);
|
||||
char *task_mem(struct mm_struct *, char *);
|
||||
void task_mem(struct seq_file *, struct mm_struct *);
|
||||
void clear_refs_smap(struct mm_struct *mm);
|
||||
|
||||
struct proc_dir_entry *de_get(struct proc_dir_entry *de);
|
||||
void de_put(struct proc_dir_entry *de);
|
||||
|
||||
@ -2255,13 +2255,14 @@ const struct file_operations proc_cpuset_operations = {
|
||||
#endif /* CONFIG_PROC_PID_CPUSET */
|
||||
|
||||
/* Display task cpus_allowed, mems_allowed in /proc/<pid>/status file. */
|
||||
char *cpuset_task_status_allowed(struct task_struct *task, char *buffer)
|
||||
void cpuset_task_status_allowed(struct seq_file *m, struct task_struct *task)
|
||||
{
|
||||
buffer += sprintf(buffer, "Cpus_allowed:\t");
|
||||
buffer += cpumask_scnprintf(buffer, PAGE_SIZE, task->cpus_allowed);
|
||||
buffer += sprintf(buffer, "\n");
|
||||
buffer += sprintf(buffer, "Mems_allowed:\t");
|
||||
buffer += nodemask_scnprintf(buffer, PAGE_SIZE, task->mems_allowed);
|
||||
buffer += sprintf(buffer, "\n");
|
||||
return buffer;
|
||||
seq_printf(m, "Cpus_allowed:\t");
|
||||
m->count += cpumask_scnprintf(m->buf + m->count, m->size - m->count,
|
||||
task->cpus_allowed);
|
||||
seq_printf(m, "\n");
|
||||
seq_printf(m, "Mems_allowed:\t");
|
||||
m->count += nodemask_scnprintf(m->buf + m->count, m->size - m->count,
|
||||
task->mems_allowed);
|
||||
seq_printf(m, "\n");
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user