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| author | Alexey Dobriyan <adobriyan@gmail.com> | 2018-04-11 02:32:36 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2018-04-11 20:28:35 +0300 |
| commit | 3ea056c50476f877f8bceb560ab69871098cb3a9 (patch) | |
| tree | 2872525aab82ea6f4d2170e5371878d8739fd6bb /include/linux/utsname.h | |
| parent | bc4f2f5469ac2a52affadc4c00c1276d76151a39 (diff) | |
| download | linux-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/linux/utsname.h')
| -rw-r--r-- | include/linux/utsname.h | 6 |
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 |