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Diffstat (limited to 'arch/nds32/mm/fault.c')
-rw-r--r--arch/nds32/mm/fault.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/arch/nds32/mm/fault.c b/arch/nds32/mm/fault.c
index ccd70004f97c..b92785588c30 100644
--- a/arch/nds32/mm/fault.c
+++ b/arch/nds32/mm/fault.c
@@ -126,12 +126,12 @@ void do_page_fault(unsigned long entry, unsigned long addr,
* 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 (unlikely(!down_read_trylock(&mm->mmap_sem))) {
+ if (unlikely(!mmap_read_trylock(mm))) {
if (!user_mode(regs) &&
!search_exception_tables(instruction_pointer(regs)))
goto no_context;
retry:
- down_read(&mm->mmap_sem);
+ mmap_read_lock(mm);
} else {
/*
* The above down_read_trylock() might have succeeded in which
@@ -255,7 +255,7 @@ good_area:
}
}
- up_read(&mm->mmap_sem);
+ mmap_read_unlock(mm);
return;
/*
@@ -263,7 +263,7 @@ good_area:
* Fix it, but check if it's kernel or user first..
*/
bad_area:
- up_read(&mm->mmap_sem);
+ mmap_read_unlock(mm);
bad_area_nosemaphore:
@@ -323,14 +323,14 @@ no_context:
*/
out_of_memory:
- up_read(&mm->mmap_sem);
+ mmap_read_unlock(mm);
if (!user_mode(regs))
goto no_context;
pagefault_out_of_memory();
return;
do_sigbus:
- up_read(&mm->mmap_sem);
+ mmap_read_unlock(mm);
/* Kernel mode? Handle exceptions or die */
if (!user_mode(regs))