diff options
Diffstat (limited to 'arch/nds32/mm/fault.c')
| -rw-r--r-- | arch/nds32/mm/fault.c | 12 |
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)) |