Author: rlibby Date: Mon Nov 25 07:38:31 2019 New Revision: 355084 URL: https://svnweb.freebsd.org/changeset/base/355084
Log: vm_object_collapse_scan_wait: drop locks before reacquiring Regression from r352174. In the vm_page_rename() failure case we forgot to unlock the vm object locks before sleeping and reacquiring them. Reviewed by: jeff Sponsored by: Dell EMC Isilon Differential Revision: https://reviews.freebsd.org/D22542 Modified: head/sys/vm/vm_object.c Modified: head/sys/vm/vm_object.c ============================================================================== --- head/sys/vm/vm_object.c Mon Nov 25 07:38:27 2019 (r355083) +++ head/sys/vm/vm_object.c Mon Nov 25 07:38:31 2019 (r355084) @@ -1496,6 +1496,8 @@ vm_object_collapse_scan_wait(vm_object_t object, vm_pa return (next); /* The page is only NULL when rename fails. */ if (p == NULL) { + VM_OBJECT_WUNLOCK(object); + VM_OBJECT_WUNLOCK(backing_object); vm_radix_wait(); } else { if (p->object == object) _______________________________________________ svn-src-head@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
