Date: Sat, 13 Jul 2019 15:53:28 +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: r349973 - head/sys/i386/i386 Message-ID: <201907131553.x6DFrS34060950@repo.freebsd.org>
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Author: alc Date: Sat Jul 13 15:53:28 2019 New Revision: 349973 URL: https://svnweb.freebsd.org/changeset/base/349973 Log: Remove a stale comment. Reported by: markj MFC after: 1 week Modified: head/sys/i386/i386/pmap.c Modified: head/sys/i386/i386/pmap.c ============================================================================== --- head/sys/i386/i386/pmap.c Sat Jul 13 15:34:29 2019 (r349972) +++ head/sys/i386/i386/pmap.c Sat Jul 13 15:53:28 2019 (r349973) @@ -5096,13 +5096,6 @@ __CONCAT(PMTYPE, ts_referenced)(vm_page_t m) * reference bit will result in clearing that bit. * This function is designed to avoid the selection of * the same 4KB page for every 2- or 4MB page mapping. - * - * On demotion, a mapping that hasn't been referenced - * is simply destroyed. To avoid the possibility of a - * subsequent page fault on a demoted wired mapping, - * always leave its reference bit set. Moreover, - * since the superpage is wired, the current state of - * its reference bit won't affect page replacement. */ if ((((pa >> PAGE_SHIFT) ^ (pv->pv_va >> PDRSHIFT) ^ (uintptr_t)pmap) & (NPTEPG - 1)) == 0 &&
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