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authorRussell King <rmk@dyn-67.arm.linux.org.uk>2009-03-13 21:44:51 +0000
committerRussell King <rmk+kernel@arm.linux.org.uk>2009-03-13 21:44:51 +0000
commit97fb44eb6bc01f4ffed4300e475aa15e44877375 (patch)
tree481ed6efd0babe7185cae04f2fd295426b36411d /mm/mlock.c
parente4707dd3e9d0cb57597b6568a5e51fea5d6fca41 (diff)
parent148854c65ea8046b045672fd49f4333aefaa3ab5 (diff)
Merge branch 'for-rmk' of git://git.pengutronix.de/git/imx/linux-2.6 into devel
Conflicts: arch/arm/mach-at91/gpio.c
Diffstat (limited to 'mm/mlock.c')
-rw-r--r--mm/mlock.c12
1 files changed, 10 insertions, 2 deletions
diff --git a/mm/mlock.c b/mm/mlock.c
index 028ec482fdd4..cbe9e0581b75 100644
--- a/mm/mlock.c
+++ b/mm/mlock.c
@@ -311,7 +311,10 @@ long mlock_vma_pages_range(struct vm_area_struct *vma,
is_vm_hugetlb_page(vma) ||
vma == get_gate_vma(current))) {
- return __mlock_vma_pages_range(vma, start, end, 1);
+ __mlock_vma_pages_range(vma, start, end, 1);
+
+ /* Hide errors from mmap() and other callers */
+ return 0;
}
/*
@@ -657,7 +660,7 @@ void *alloc_locked_buffer(size_t size)
return buffer;
}
-void free_locked_buffer(void *buffer, size_t size)
+void release_locked_buffer(void *buffer, size_t size)
{
unsigned long pgsz = PAGE_ALIGN(size) >> PAGE_SHIFT;
@@ -667,6 +670,11 @@ void free_locked_buffer(void *buffer, size_t size)
current->mm->locked_vm -= pgsz;
up_write(&current->mm->mmap_sem);
+}
+
+void free_locked_buffer(void *buffer, size_t size)
+{
+ release_locked_buffer(buffer, size);
kfree(buffer);
}