[PATCH v4 03/39] mm: Add guard for mmap_read_lock
Josh Poimboeuf <[email protected]>
| Newsgroups | org.kernel.vger.linux-toolchains,org.kernel.vger.linux-kernel,org.kernel.vger.linux-perf-users,org.kernel.vger.linux-trace-kernel |
|---|---|
| Message-ID | <8f8f672bec535ce8ed54d79591d98386a4d46c28.1737511963.git.jpoimboe@kernel.org> |
This is the new way of doing things. Converting all existing mmap_read_lock users is an exercise left for the reader ;-) Suggested-by: Peter Zijlstra <[email protected]> Signed-off-by: Josh Poimboeuf <[email protected]> --- include/linux/mmap_lock.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/include/linux/mmap_lock.h b/include/linux/mmap_lock.h index de9dc20b01ba..c971c4617060 100644 --- a/include/linux/mmap_lock.h +++ b/include/linux/mmap_lock.h @@ -182,4 +182,6 @@ static inline int mmap_lock_is_contended(struct mm_struct *mm) return rwsem_is_contended(&mm->mmap_lock); } +DEFINE_GUARD(mmap_read_lock, struct mm_struct *, mmap_read_lock(_T), mmap_read_unlock(_T)) + #endif /* _LINUX_MMAP_LOCK_H */ -- 2.48.1