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Diffstat (limited to 'arch/powerpc/mm/fault.c')
-rw-r--r--arch/powerpc/mm/fault.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/arch/powerpc/mm/fault.c b/arch/powerpc/mm/fault.c
index 39d23a557bef..ff3653e67c7b 100644
--- a/arch/powerpc/mm/fault.c
+++ b/arch/powerpc/mm/fault.c
@@ -108,7 +108,7 @@ static int __bad_area(struct pt_regs *regs, unsigned long address, int si_code)
* Something tried to access memory that isn't in our memory map..
* Fix it, but check if it's kernel or user first..
*/
- up_read(&mm->mmap_sem);
+ mmap_read_unlock(mm);
return __bad_area_nosemaphore(regs, address, si_code);
}
@@ -144,7 +144,7 @@ static noinline int bad_access_pkey(struct pt_regs *regs, unsigned long address,
*/
pkey = vma_pkey(vma);
- up_read(&mm->mmap_sem);
+ mmap_read_unlock(mm);
/*
* If we are in kernel mode, bail out with a SEGV, this will
@@ -551,12 +551,12 @@ static int __do_page_fault(struct pt_regs *regs, unsigned long address,
* source. If this is invalid we can skip the address space check,
* thus avoiding the deadlock.
*/
- if (unlikely(!down_read_trylock(&mm->mmap_sem))) {
+ if (unlikely(!mmap_read_trylock(mm))) {
if (!is_user && !search_exception_tables(regs->nip))
return bad_area_nosemaphore(regs, address);
retry:
- down_read(&mm->mmap_sem);
+ mmap_read_lock(mm);
} else {
/*
* The above down_read_trylock() might have succeeded in
@@ -580,7 +580,7 @@ retry:
if (!must_retry)
return bad_area(regs, address);
- up_read(&mm->mmap_sem);
+ mmap_read_unlock(mm);
if (fault_in_pages_readable((const char __user *)regs->nip,
sizeof(unsigned int)))
return bad_area_nosemaphore(regs, address);
@@ -625,7 +625,7 @@ good_area:
}
}
- up_read(&current->mm->mmap_sem);
+ mmap_read_unlock(current->mm);
if (unlikely(fault & VM_FAULT_ERROR))
return mm_fault_error(regs, address, fault);