Date: Sat, 13 Jun 2009 20:58:13 +0000 (UTC) From: Alan Cox <alc@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r194126 - head/sys/vm Message-ID: <200906132058.n5DKwDlg024027@svn.freebsd.org>
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Author: alc Date: Sat Jun 13 20:58:12 2009 New Revision: 194126 URL: http://svn.freebsd.org/changeset/base/194126 Log: Eliminate an unnecessary clearing of a page's dirty bits in phys_pager_getpages(). Modified: head/sys/vm/phys_pager.c Modified: head/sys/vm/phys_pager.c ============================================================================== --- head/sys/vm/phys_pager.c Sat Jun 13 20:54:17 2009 (r194125) +++ head/sys/vm/phys_pager.c Sat Jun 13 20:58:12 2009 (r194126) @@ -149,7 +149,8 @@ phys_pager_getpages(vm_object_t object, } KASSERT(m[i]->valid == VM_PAGE_BITS_ALL, ("phys_pager_getpages: partially valid page %p", m[i])); - m[i]->dirty = 0; + KASSERT(m[i]->dirty == 0, + ("phys_pager_getpages: dirty page %p", m[i])); /* The requested page must remain busy, the others not. */ if (reqpage != i) { m[i]->oflags &= ~VPO_BUSY;
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