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ubc_release: grab uobj's vmobjlock when calling uvm_page_unbusy().

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This commit is contained in:
yamt 2004-05-05 11:35:40 +00:00
parent 55c776851d
commit bd712164d0
1 changed files with 4 additions and 2 deletions
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6
sys/uvm/uvm_bio.c
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@ -1,4 +1,4 @@
/* $NetBSD: uvm_bio.c,v 1.31 2004/03/24 07:55:01 junyoung Exp $ */
/* $NetBSD: uvm_bio.c,v 1.32 2004/05/05 11:35:40 yamt Exp $ */
/*
* Copyright (c) 1998 Chuck Silvers.
@ -34,7 +34,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: uvm_bio.c,v 1.31 2004/03/24 07:55:01 junyoung Exp $");
__KERNEL_RCSID(0, "$NetBSD: uvm_bio.c,v 1.32 2004/05/05 11:35:40 yamt Exp $");
#include "opt_uvmhist.h"
@ -540,7 +540,9 @@ ubc_release(va, flags)
uvm_unlock_pageq();
pmap_kremove(umapva, ubc_winsize);
pmap_update(pmap_kernel());
simple_lock(&uobj->vmobjlock);
uvm_page_unbusy(pgs, npages);
simple_unlock(&uobj->vmobjlock);
unmapped = TRUE;
} else {
unmapped = FALSE;