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authorDavid Woodhouse <David.Woodhouse@intel.com>2012-10-09 15:03:21 +0100
committerDavid Woodhouse <David.Woodhouse@intel.com>2012-10-09 15:04:25 +0100
commitffe315012510165ce82e4dd4767f0a5dba9edbf7 (patch)
treef601cd980af9d0ced5ca9aedecef4fa0d2ca0e15 /kernel/pid_namespace.c
parente2d3a35ee427aaba99b6c68a56609ce276c51270 (diff)
parent4a8e43feeac7996b8de2d5b2823e316917493df4 (diff)
Merge tag 'disintegrate-mtd-20121009' of git://git.infradead.org/users/dhowells/linux-headers
UAPI Disintegration 2012-10-09 Conflicts: MAINTAINERS arch/arm/configs/bcmring_defconfig arch/arm/mach-imx/clk-imx51-imx53.c drivers/mtd/nand/Kconfig drivers/mtd/nand/bcm_umi_nand.c drivers/mtd/nand/nand_bcm_umi.h drivers/mtd/nand/orion_nand.c
Diffstat (limited to 'kernel/pid_namespace.c')
-rw-r--r--kernel/pid_namespace.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/kernel/pid_namespace.c b/kernel/pid_namespace.c
index b3c7fd55425..478bad2745e 100644
--- a/kernel/pid_namespace.c
+++ b/kernel/pid_namespace.c
@@ -16,6 +16,7 @@
#include <linux/slab.h>
#include <linux/proc_fs.h>
#include <linux/reboot.h>
+#include <linux/export.h>
#define BITS_PER_PAGE (PAGE_SIZE*8)
@@ -144,6 +145,7 @@ void free_pid_ns(struct kref *kref)
if (parent != NULL)
put_pid_ns(parent);
}
+EXPORT_SYMBOL_GPL(free_pid_ns);
void zap_pid_ns_processes(struct pid_namespace *pid_ns)
{
@@ -232,15 +234,19 @@ static int pid_ns_ctl_handler(struct ctl_table *table, int write,
*/
tmp.data = &current->nsproxy->pid_ns->last_pid;
- return proc_dointvec(&tmp, write, buffer, lenp, ppos);
+ return proc_dointvec_minmax(&tmp, write, buffer, lenp, ppos);
}
+extern int pid_max;
+static int zero = 0;
static struct ctl_table pid_ns_ctl_table[] = {
{
.procname = "ns_last_pid",
.maxlen = sizeof(int),
.mode = 0666, /* permissions are checked in the handler */
.proc_handler = pid_ns_ctl_handler,
+ .extra1 = &zero,
+ .extra2 = &pid_max,
},
{ }
};