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-rw-r--r--arch/tile/kernel/single_step.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/arch/tile/kernel/single_step.c b/arch/tile/kernel/single_step.c
index 9efbc1391b3..89529c9f060 100644
--- a/arch/tile/kernel/single_step.c
+++ b/arch/tile/kernel/single_step.c
@@ -346,12 +346,10 @@ void single_step_once(struct pt_regs *regs)
}
/* allocate a cache line of writable, executable memory */
- down_write(&current->mm->mmap_sem);
- buffer = (void __user *) do_mmap(NULL, 0, 64,
+ buffer = (void __user *) vm_mmap(NULL, 0, 64,
PROT_EXEC | PROT_READ | PROT_WRITE,
MAP_PRIVATE | MAP_ANONYMOUS,
0);
- up_write(&current->mm->mmap_sem);
if (IS_ERR((void __force *)buffer)) {
kfree(state);