svn commit: r269190 - in head/sys: dev/md kern
Konstantin Belousov
kib at FreeBSD.org
Mon Jul 28 14:27:05 UTC 2014
Author: kib
Date: Mon Jul 28 14:27:05 2014
New Revision: 269190
URL: http://svnweb.freebsd.org/changeset/base/269190
Log:
For md(4), posix shm(3) and tmpfs(5), free swap space used by paged in
dirty page, which is written by the process.
Reviewed by: alc
Tested by: pho
Sponsored by: The FreeBSD Foundation
MFC after: 1 week
Modified:
head/sys/dev/md/md.c
head/sys/kern/uipc_shm.c
Modified: head/sys/dev/md/md.c
==============================================================================
--- head/sys/dev/md/md.c Mon Jul 28 14:24:18 2014 (r269189)
+++ head/sys/dev/md/md.c Mon Jul 28 14:27:05 2014 (r269190)
@@ -895,8 +895,10 @@ mdstart_swap(struct md_s *sc, struct bio
else
vm_page_activate(m);
vm_page_unlock(m);
- if (bp->bio_cmd == BIO_WRITE)
+ if (bp->bio_cmd == BIO_WRITE) {
vm_page_dirty(m);
+ vm_pager_page_unswapped(m);
+ }
/* Actions on further pages start at offset 0 */
p += PAGE_SIZE - offs;
Modified: head/sys/kern/uipc_shm.c
==============================================================================
--- head/sys/kern/uipc_shm.c Mon Jul 28 14:24:18 2014 (r269189)
+++ head/sys/kern/uipc_shm.c Mon Jul 28 14:27:05 2014 (r269190)
@@ -199,6 +199,7 @@ uiomove_object_page(vm_object_t obj, siz
if (uio->uio_rw == UIO_WRITE && error == 0) {
VM_OBJECT_WLOCK(obj);
vm_page_dirty(m);
+ vm_pager_page_unswapped(m);
VM_OBJECT_WUNLOCK(obj);
}
vm_page_lock(m);
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