Date: Sun, 22 Feb 2009 17:57:36 +0000 (UTC) From: Alan Cox <alc@FreeBSD.org> To: src-committers@freebsd.org, svn-src-user@freebsd.org Subject: svn commit: r188920 - user/alc/pagelock/sys/vm Message-ID: <200902221757.n1MHvaoV002483@svn.freebsd.org>
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Author: alc Date: Sun Feb 22 17:57:35 2009 New Revision: 188920 URL: http://svn.freebsd.org/changeset/base/188920 Log: Maintain the lock on the object containing the page being mapped. Modified: user/alc/pagelock/sys/vm/vm_fault.c Modified: user/alc/pagelock/sys/vm/vm_fault.c ============================================================================== --- user/alc/pagelock/sys/vm/vm_fault.c Sun Feb 22 15:03:29 2009 (r188919) +++ user/alc/pagelock/sys/vm/vm_fault.c Sun Feb 22 17:57:35 2009 (r188920) @@ -1210,7 +1210,6 @@ vm_fault_copy_entry(dst_map, src_map, ds pmap_copy_page(src_m, dst_m); VM_OBJECT_UNLOCK(object); dst_m->valid = VM_PAGE_BITS_ALL; - VM_OBJECT_UNLOCK(dst_object); /* * Enter it in the pmap as a read and/or execute access. @@ -1221,7 +1220,6 @@ vm_fault_copy_entry(dst_map, src_map, ds /* * Mark it no longer busy, and put it on the active list. */ - VM_OBJECT_LOCK(dst_object); vm_page_lock_queues(); vm_page_activate(dst_m); vm_page_unlock_queues();
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