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We track page modified info with PG_CLEAN, so make clear_modify 

return false.  This makes rump lfs unmount work on platforms which
use the pmap stub (i.e. non-x86, which already returned false here).
Otherwise, lfs would hang itself trying to flush some buffers but
couldn't fill a segment and therefore wouldn't actually write
anything.
This commit is contained in:
pooka 2011-03-02 13:11:52 +00:00
parent 5106307ad8
commit 67365afb80
1 changed files with 3 additions and 3 deletions
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6
sys/rump/librump/rumpkern/pmap_stub.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: pmap_stub.c,v 1.24 2010/06/16 11:45:21 pooka Exp $ */
/* $NetBSD: pmap_stub.c,v 1.25 2011/03/02 13:11:52 pooka Exp $ */
/*
* Copyright (c) 2010 Antti Kantee. All Rights Reserved.
@ -26,7 +26,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: pmap_stub.c,v 1.24 2010/06/16 11:45:21 pooka Exp $");
__KERNEL_RCSID(0, "$NetBSD: pmap_stub.c,v 1.25 2011/03/02 13:11:52 pooka Exp $");
#include <sys/param.h>
@ -88,5 +88,5 @@ bool
pmap_clear_modify(struct vm_page *pg)
{
return true;
return false;
}