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Diffstat (limited to 'arch/sparc/mm/fault_32.c')
-rw-r--r--arch/sparc/mm/fault_32.c18
1 files changed, 9 insertions, 9 deletions
diff --git a/arch/sparc/mm/fault_32.c b/arch/sparc/mm/fault_32.c
index 9489513888eb..34588c4ab9d9 100644
--- a/arch/sparc/mm/fault_32.c
+++ b/arch/sparc/mm/fault_32.c
@@ -195,7 +195,7 @@ asmlinkage void do_sparc_fault(struct pt_regs *regs, int text_fault, int write,
perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS, 1, regs, address);
retry:
- down_read(&mm->mmap_sem);
+ mmap_read_lock(mm);
if (!from_user && address >= PAGE_OFFSET)
goto bad_area;
@@ -271,7 +271,7 @@ good_area:
}
}
- up_read(&mm->mmap_sem);
+ mmap_read_unlock(mm);
return;
/*
@@ -279,7 +279,7 @@ 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:
/* User mode accesses just cause a SIGSEGV */
@@ -328,7 +328,7 @@ no_context:
* us unable to handle the page fault gracefully.
*/
out_of_memory:
- up_read(&mm->mmap_sem);
+ mmap_read_unlock(mm);
if (from_user) {
pagefault_out_of_memory();
return;
@@ -336,7 +336,7 @@ out_of_memory:
goto no_context;
do_sigbus:
- up_read(&mm->mmap_sem);
+ mmap_read_unlock(mm);
do_fault_siginfo(BUS_ADRERR, SIGBUS, regs, text_fault);
if (!from_user)
goto no_context;
@@ -390,7 +390,7 @@ static void force_user_fault(unsigned long address, int write)
code = SEGV_MAPERR;
- down_read(&mm->mmap_sem);
+ mmap_read_lock(mm);
vma = find_vma(mm, address);
if (!vma)
goto bad_area;
@@ -415,15 +415,15 @@ good_area:
case VM_FAULT_OOM:
goto do_sigbus;
}
- up_read(&mm->mmap_sem);
+ mmap_read_unlock(mm);
return;
bad_area:
- up_read(&mm->mmap_sem);
+ mmap_read_unlock(mm);
__do_fault_siginfo(code, SIGSEGV, tsk->thread.kregs, address);
return;
do_sigbus:
- up_read(&mm->mmap_sem);
+ mmap_read_unlock(mm);
__do_fault_siginfo(BUS_ADRERR, SIGBUS, tsk->thread.kregs, address);
}