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Diffstat (limited to 'arch/arm64/mm/fault.c')
-rw-r--r--arch/arm64/mm/fault.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/arm64/mm/fault.c b/arch/arm64/mm/fault.c
index fe30e95e95b2..8afb238ff335 100644
--- a/arch/arm64/mm/fault.c
+++ b/arch/arm64/mm/fault.c
@@ -497,11 +497,11 @@ static int __kprobes do_page_fault(unsigned long addr, unsigned int esr,
* validly references user space from well defined areas of the code,
* we can bug out early if this is from code which shouldn't.
*/
- if (!down_read_trylock(&mm->mmap_sem)) {
+ if (!mmap_read_trylock(mm)) {
if (!user_mode(regs) && !search_exception_tables(regs->pc))
goto no_context;
retry:
- down_read(&mm->mmap_sem);
+ mmap_read_lock(mm);
} else {
/*
* The above down_read_trylock() might have succeeded in which
@@ -510,7 +510,7 @@ retry:
might_sleep();
#ifdef CONFIG_DEBUG_VM
if (!user_mode(regs) && !search_exception_tables(regs->pc)) {
- up_read(&mm->mmap_sem);
+ mmap_read_unlock(mm);
goto no_context;
}
#endif
@@ -532,7 +532,7 @@ retry:
goto retry;
}
}
- up_read(&mm->mmap_sem);
+ mmap_read_unlock(mm);
/*
* Handle the "normal" (no error) case first.