svn commit: r329638 - stable/11/sys/compat/linuxkpi/common/include/linux

[Konstantin Belousov]

Author: kib
Date: Tue Feb 20 10:35:13 2018
New Revision: 329638
URL: https://svnweb.freebsd.org/changeset/base/329638

Log:
  MFC r329216:
  linuxkpi: Do not leak pages on put.

Modified:
  stable/11/sys/compat/linuxkpi/common/include/linux/mm.h
Directory Properties:
  stable/11/   (props changed)

Modified: stable/11/sys/compat/linuxkpi/common/include/linux/mm.h
==============================================================================
--- stable/11/sys/compat/linuxkpi/common/include/linux/mm.h	Tue Feb 20 10:34:15 2018	(r329637)
+++ stable/11/sys/compat/linuxkpi/common/include/linux/mm.h	Tue Feb 20 10:35:13 2018	(r329638)
@@ -243,7 +243,8 @@ static inline void
 put_page(struct vm_page *page)
 {
 	vm_page_lock(page);
-	vm_page_unwire(page, PQ_ACTIVE);
+	if (vm_page_unwire(page, PQ_ACTIVE) && page->object == NULL)
+		vm_page_free(page);
 	vm_page_unlock(page);
 }