Date: Sun, 27 Sep 2015 01:15:17 +0000 (UTC) From: Alan Cox <alc@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-10@freebsd.org Subject: svn commit: r288283 - stable/10/sys/vm Message-ID: <201509270115.t8R1FHu7091602@repo.freebsd.org>
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Author: alc Date: Sun Sep 27 01:15:17 2015 New Revision: 288283 URL: https://svnweb.freebsd.org/changeset/base/288283 Log: MFC r287944 Eliminate (many) unnecessary calls to pmap_remove_all(). Modified: stable/10/sys/vm/vm_page.c Directory Properties: stable/10/ (props changed) Modified: stable/10/sys/vm/vm_page.c ============================================================================== --- stable/10/sys/vm/vm_page.c Sun Sep 27 01:06:45 2015 (r288282) +++ stable/10/sys/vm/vm_page.c Sun Sep 27 01:15:17 2015 (r288283) @@ -3009,7 +3009,8 @@ vm_page_set_invalid(vm_page_t m, int bas bits = VM_PAGE_BITS_ALL; else bits = vm_page_bits(base, size); - if (m->valid == VM_PAGE_BITS_ALL && bits != 0) + if (object->ref_count != 0 && m->valid == VM_PAGE_BITS_ALL && + bits != 0) pmap_remove_all(m); KASSERT((bits == 0 && m->valid == VM_PAGE_BITS_ALL) || !pmap_page_is_mapped(m),
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