kill mm argument of vm_munmap()
it's always current->mm
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/mm/mmap.c b/mm/mmap.c
index b38b47e..848ef52 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -2134,9 +2134,10 @@
}
EXPORT_SYMBOL(do_munmap);
-int vm_munmap(struct mm_struct *mm, unsigned long start, size_t len)
+int vm_munmap(unsigned long start, size_t len)
{
int ret;
+ struct mm_struct *mm = current->mm;
down_write(&mm->mmap_sem);
ret = do_munmap(mm, start, len);
@@ -2148,7 +2149,7 @@
SYSCALL_DEFINE2(munmap, unsigned long, addr, size_t, len)
{
profile_munmap(addr);
- return vm_munmap(current->mm, addr, len);
+ return vm_munmap(addr, len);
}
static inline void verify_mm_writelocked(struct mm_struct *mm)