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authorAlexey Dobriyan <adobriyan@gmail.com>2018-04-11 02:32:36 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2018-04-11 20:28:35 +0300
commit3ea056c50476f877f8bceb560ab69871098cb3a9 (patch)
tree2872525aab82ea6f4d2170e5371878d8739fd6bb /include
parentbc4f2f5469ac2a52affadc4c00c1276d76151a39 (diff)
downloadlinux-3ea056c50476f877f8bceb560ab69871098cb3a9.tar.xz
uts: create "struct uts_namespace" from kmem_cache
So "struct uts_namespace" can enjoy fine-grained SLAB debugging and usercopy protection. I'd prefer shorter name "utsns" but there is "user_namespace" already. Link: http://lkml.kernel.org/r/20180228215158.GA23146@avx2 Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Reviewed-by: Andrew Morton <akpm@linux-foundation.org> Cc: "Eric W. Biederman" <ebiederm@xmission.com> Cc: Serge Hallyn <serge@hallyn.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include')
-rw-r--r--include/linux/utsname.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/utsname.h b/include/linux/utsname.h
index c8060c2ecd04..44429d9142ca 100644
--- a/include/linux/utsname.h
+++ b/include/linux/utsname.h
@@ -44,6 +44,8 @@ static inline void put_uts_ns(struct uts_namespace *ns)
{
kref_put(&ns->kref, free_uts_ns);
}
+
+void uts_ns_init(void);
#else
static inline void get_uts_ns(struct uts_namespace *ns)
{
@@ -61,6 +63,10 @@ static inline struct uts_namespace *copy_utsname(unsigned long flags,
return old_ns;
}
+
+static inline void uts_ns_init(void)
+{
+}
#endif
#ifdef CONFIG_PROC_SYSCTL