Date: Fri, 9 Dec 2016 13:28:27 -0800 From: Xin LI <delphij@gmail.com> To: Gleb Smirnoff <glebius@freebsd.org> Cc: "src-committers@freebsd.org" <src-committers@freebsd.org>, "svn-src-all@freebsd.org" <svn-src-all@freebsd.org>, "svn-src-head@freebsd.org" <svn-src-head@freebsd.org> Subject: Re: svn commit: r309772 - head/sys/vm Message-ID: <CAGMYy3uT=zLZWdZNReTYaDd7%2B0LoOgWSY9%2BKZuDMQiA-K-hVNg@mail.gmail.com> In-Reply-To: <201612092121.uB9LLO3E072942@repo.freebsd.org> References: <201612092121.uB9LLO3E072942@repo.freebsd.org>
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Thanks! On Fri, Dec 9, 2016 at 1:21 PM, Gleb Smirnoff <glebius@freebsd.org> wrote: > Author: glebius > Date: Fri Dec 9 21:21:24 2016 > New Revision: 309772 > URL: https://svnweb.freebsd.org/changeset/base/309772 > > Log: > Allow bogus_page to be passed to pager(s). > > Modified: > head/sys/vm/vm_pager.c > > Modified: head/sys/vm/vm_pager.c > ============================================================================== > --- head/sys/vm/vm_pager.c Fri Dec 9 21:17:40 2016 (r309771) > +++ head/sys/vm/vm_pager.c Fri Dec 9 21:21:24 2016 (r309772) > @@ -84,6 +84,8 @@ __FBSDID("$FreeBSD$"); > #include <vm/vm_pager.h> > #include <vm/vm_extern.h> > > +extern vm_page_t bogus_page; > + > int cluster_pbuf_freecnt = -1; /* unlimited to begin with */ > > struct buf *swbuf; > @@ -260,6 +262,8 @@ vm_pager_assert_in(vm_object_t object, v > * not dirty and belong to the proper object. > */ > for (int i = 0 ; i < count; i++) { > + if (m[i] == bogus_page) > + continue; > vm_page_assert_xbusied(m[i]); > KASSERT(!pmap_page_is_mapped(m[i]), > ("%s: page %p is mapped", __func__, m[i])); >
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