From a46ef99d80817a167477ed1c8b4d90ee0c2e726f Mon Sep 17 00:00:00 2001 From: Linus Torvalds Date: Fri, 20 Apr 2012 16:20:01 -0700 Subject: VM: add "vm_munmap()" helper function Like the vm_brk() function, this is the same as "do_munmap()", except it does the VM locking for the caller. Signed-off-by: Linus Torvalds --- arch/sparc/kernel/sys_sparc_64.c | 7 +------ 1 file changed, 1 insertion(+), 6 deletions(-) (limited to 'arch/sparc') diff --git a/arch/sparc/kernel/sys_sparc_64.c b/arch/sparc/kernel/sys_sparc_64.c index 232df9949530..022e57aadf5d 100644 --- a/arch/sparc/kernel/sys_sparc_64.c +++ b/arch/sparc/kernel/sys_sparc_64.c @@ -566,15 +566,10 @@ out: SYSCALL_DEFINE2(64_munmap, unsigned long, addr, size_t, len) { - long ret; - if (invalid_64bit_range(addr, len)) return -EINVAL; - down_write(¤t->mm->mmap_sem); - ret = do_munmap(current->mm, addr, len); - up_write(¤t->mm->mmap_sem); - return ret; + return vm_munmap(current->mm, addr, len); } extern unsigned long do_mremap(unsigned long addr, -- cgit v1.2.3