svn commit: r330751 - user/jeff/numa/sys/vm
Jeff Roberson
jeff at FreeBSD.org
Sun Mar 11 00:07:15 UTC 2018
Author: jeff
Date: Sun Mar 11 00:07:14 2018
New Revision: 330751
URL: https://svnweb.freebsd.org/changeset/base/330751
Log:
This branch requires the vm page to be locked before free_prep.
Reported by: pho
Modified:
user/jeff/numa/sys/vm/vm_page.c
Modified: user/jeff/numa/sys/vm/vm_page.c
==============================================================================
--- user/jeff/numa/sys/vm/vm_page.c Sat Mar 10 23:47:03 2018 (r330750)
+++ user/jeff/numa/sys/vm/vm_page.c Sun Mar 11 00:07:14 2018 (r330751)
@@ -3374,8 +3374,10 @@ vm_page_free_pages_toq(struct spglist *free, bool upda
while ((m = SLIST_FIRST(free)) != NULL) {
count++;
SLIST_REMOVE_HEAD(free, plinks.s.ss);
+ vm_page_lock(m);
if (vm_page_free_prep(m, false))
TAILQ_INSERT_TAIL(&pgl, m, listq);
+ vm_page_unlock(m);
}
vm_page_free_phys_pglist(&pgl);
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