commit bfce281c287a427d0841fadf5d59242757b4e620
author Al Viro <viro@zeniv.linux.org.uk> Fri Apr 20 21:57:04 2012 -0400
committer Al Viro <viro@zeniv.linux.org.uk> Sat Apr 21 01:58:20 2012 -0400
tree abca9ebeef4c668021e85e4d54e6e779121e92cc
parent 9f3a4afb276e4d8b3be7f3e678d4dbd11470416f

kill mm argument of vm_munmap()

it's always current->mm

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

mm/mmap.c

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)

mm/nommu.c

diff --git a/mm/nommu.c b/mm/nommu.c
index dd00383..bb8f4f0 100644
--- a/mm/nommu.c
+++ b/mm/nommu.c
@@ -1734,8 +1734,9 @@
 }
 EXPORT_SYMBOL(do_munmap);
 
-int vm_munmap(struct mm_struct *mm, unsigned long addr, size_t len)
+int vm_munmap(unsigned long addr, size_t len)
 {
+	struct mm_struct *mm = current->mm;
 	int ret;
 
 	down_write(&mm->mmap_sem);
@@ -1747,7 +1748,7 @@
 
 SYSCALL_DEFINE2(munmap, unsigned long, addr, size_t, len)
 {
-	return vm_munmap(current->mm, addr, len);
+	return vm_munmap(addr, len);
 }
 
 /*