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timens: Add a __free() wrapper for put_time_ns()

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The wrapper will be used to simplify cleanups of 'struct time_namespace'.

Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@kernel.org>
Link: https://patch.msgid.link/20260330-timens-cleanup-v1-1-936e91c9dd30@linutronix.de
This commit is contained in:
Thomas Weißschuh
2026-03-30 09:07:55 +02:00
committed by Thomas Gleixner
parent 1b6c89285d
commit c2de5a5be4
1 changed files with 3 additions and 0 deletions
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3
include/linux/time_namespace.h
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@@ -8,6 +8,7 @@
#include <linux/ns_common.h>
#include <linux/err.h>
#include <linux/time64.h>
#include <linux/cleanup.h>
struct user_namespace;
extern struct user_namespace init_user_ns;
@@ -171,4 +172,6 @@ static inline struct page *find_timens_vvar_page(struct vm_area_struct *vma)
}
#endif /* CONFIG_TIME_NS_VDSO */
DEFINE_FREE(time_ns, struct time_namespace *, if (_T) put_time_ns(_T))
#endif /* _LINUX_TIMENS_H */