svn commit: r329638 - stable/11/sys/compat/linuxkpi/common/include/linux
Konstantin Belousov
kib at FreeBSD.org
Tue Feb 20 10:35:14 UTC 2018
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);
}
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