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Protect all modifications to paging_in_progress with splvm().

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This commit is contained in:
Doug Rabson 1998-08-13 08:05:13 +00:00
parent c0e4cfbfe2
commit 196e9a52ec
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=38298
1 changed files with 3 additions and 1 deletions
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4
sys/vm/swap_pager.c
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@ -39,7 +39,7 @@
* from: Utah $Hdr: swap_pager.c 1.4 91/04/30$
*
* @(#)swap_pager.c 8.9 (Berkeley) 3/21/94
* $Id: swap_pager.c,v 1.97 1998/07/11 07:46:11 bde Exp $
* $Id: swap_pager.c,v 1.98 1998/07/28 15:30:01 bde Exp $
*/
/*
@ -1590,7 +1590,9 @@ swap_pager_finish(spc)
PAGE_BWAKEUP(ma[i]);
}
s = splvm();
object->paging_in_progress -= spc->spc_count;
splx(s);
if ((object->paging_in_progress == 0) &&
(object->flags & OBJ_PIPWNT)) {
object->flags &= ~OBJ_PIPWNT;