2.6.24-stable review patch. If anyone has any objections, please let us know.
------------------
From: Oleg Nesterov <[EMAIL PROTECTED]>
patch 8a459e44ad837018ea5c34a9efe8eb4ad27ded26 in mainline.
Fix ->vm_file accounting, mmap_region() may do do_munmap().
Signed-off-by: Oleg Nesterov <[EMAIL PROTECTED]>
Signed-off-by: Miklos Szeredi <[EMAIL PROTECTED]>
Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
Signed-off-by: Linus Torvalds <[EMAIL PROTECTED]>
Signed-off-by: Greg Kroah-Hartman <[EMAIL PROTECTED]>
---
mm/fremap.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
--- a/mm/fremap.c
+++ b/mm/fremap.c
@@ -190,10 +190,13 @@ asmlinkage long sys_remap_file_pages(uns
*/
if (mapping_cap_account_dirty(mapping)) {
unsigned long addr;
+ struct file *file = vma->vm_file;
flags &= MAP_NONBLOCK;
- addr = mmap_region(vma->vm_file, start, size,
+ get_file(file);
+ addr = mmap_region(file, start, size,
flags, vma->vm_flags, pgoff, 1);
+ fput(file);
if (IS_ERR_VALUE(addr)) {
err = addr;
} else {
--
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [EMAIL PROTECTED]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
