From owner-svn-src-all@freebsd.org Fri Jun 14 04:01:09 2019 Return-Path: Delivered-To: svn-src-all@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 914E315C4DD2; Fri, 14 Jun 2019 04:01:09 +0000 (UTC) (envelope-from alc@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 3563081E02; Fri, 14 Jun 2019 04:01:09 +0000 (UTC) (envelope-from alc@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 0F8B6A57E; Fri, 14 Jun 2019 04:01:09 +0000 (UTC) (envelope-from alc@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id x5E41884079470; Fri, 14 Jun 2019 04:01:08 GMT (envelope-from alc@FreeBSD.org) Received: (from alc@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id x5E418w6079469; Fri, 14 Jun 2019 04:01:08 GMT (envelope-from alc@FreeBSD.org) Message-Id: <201906140401.x5E418w6079469@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: alc set sender to alc@FreeBSD.org using -f From: Alan Cox Date: Fri, 14 Jun 2019 04:01:08 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r349031 - head/sys/arm64/arm64 X-SVN-Group: head X-SVN-Commit-Author: alc X-SVN-Commit-Paths: head/sys/arm64/arm64 X-SVN-Commit-Revision: 349031 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: 3563081E02 X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org X-Spamd-Result: default: False [-2.95 / 15.00]; local_wl_from(0.00)[FreeBSD.org]; NEURAL_HAM_MEDIUM(-1.00)[-0.998,0]; NEURAL_HAM_SHORT(-0.95)[-0.954,0]; ASN(0.00)[asn:11403, ipnet:2610:1c1:1::/48, country:US]; NEURAL_HAM_LONG(-1.00)[-1.000,0] X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 14 Jun 2019 04:01:09 -0000 Author: alc Date: Fri Jun 14 04:01:08 2019 New Revision: 349031 URL: https://svnweb.freebsd.org/changeset/base/349031 Log: Change the arm64 pmap so that updates to the global count of wired pages are not performed directly by the pmap. Instead, they are performed by vm_page_free_pages_toq(). (This is the same approach that we use on x86.) Reviewed by: kib, markj MFC after: 10 days Differential Revision: https://reviews.freebsd.org/D20627 Modified: head/sys/arm64/arm64/pmap.c Modified: head/sys/arm64/arm64/pmap.c ============================================================================== --- head/sys/arm64/arm64/pmap.c Fri Jun 14 03:15:54 2019 (r349030) +++ head/sys/arm64/arm64/pmap.c Fri Jun 14 04:01:08 2019 (r349031) @@ -1410,8 +1410,6 @@ _pmap_unwire_l3(pmap_t pmap, vm_offset_t va, vm_page_t } pmap_invalidate_page(pmap, va); - vm_wire_sub(1); - /* * Put page on a list so that it is released after * *ALL* TLB shootdown is done @@ -2030,9 +2028,8 @@ next_chunk: SLIST_REMOVE_HEAD(&free, plinks.s.ss); /* Recycle a freed page table page. */ m_pc->wire_count = 1; - vm_wire_add(1); } - vm_page_free_pages_toq(&free, false); + vm_page_free_pages_toq(&free, true); return (m_pc); } @@ -2470,8 +2467,7 @@ pmap_remove_l2(pmap_t pmap, pt_entry_t *l2, vm_offset_ pmap_resident_count_dec(pmap, 1); KASSERT(ml3->wire_count == NL3PG, ("pmap_remove_l2: l3 page wire count error")); - ml3->wire_count = 1; - vm_page_unwire_noq(ml3); + ml3->wire_count = 0; pmap_add_delayed_free_list(ml3, free, FALSE); } } @@ -2624,7 +2620,7 @@ pmap_remove(pmap_t pmap, vm_offset_t sva, vm_offset_t if (lock != NULL) rw_wunlock(lock); PMAP_UNLOCK(pmap); - vm_page_free_pages_toq(&free, false); + vm_page_free_pages_toq(&free, true); } /* @@ -2729,7 +2725,7 @@ retry: } vm_page_aflag_clear(m, PGA_WRITEABLE); rw_wunlock(lock); - vm_page_free_pages_toq(&free, false); + vm_page_free_pages_toq(&free, true); } /* @@ -3397,7 +3393,7 @@ pmap_enter_l2(pmap_t pmap, vm_offset_t va, pd_entry_t lockp) != 0) break; } - vm_page_free_pages_toq(&free, false); + vm_page_free_pages_toq(&free, true); if (va >= VM_MAXUSER_ADDRESS) { /* * Both pmap_remove_l2() and pmap_remove_l3() will @@ -3425,7 +3421,7 @@ pmap_enter_l2(pmap_t pmap, vm_offset_t va, pd_entry_t * Invalidate those entries. */ pmap_invalidate_page(pmap, va); - vm_page_free_pages_toq(&free, false); + vm_page_free_pages_toq(&free, true); } CTR2(KTR_PMAP, "pmap_enter_l2: failure for va %#lx in pmap %p", @@ -3614,7 +3610,7 @@ pmap_enter_quick_locked(pmap_t pmap, vm_offset_t va, v SLIST_INIT(&free); if (pmap_unwire_l3(pmap, va, mpte, &free)) { pmap_invalidate_page(pmap, va); - vm_page_free_pages_toq(&free, false); + vm_page_free_pages_toq(&free, true); } mpte = NULL; } @@ -4097,8 +4093,7 @@ pmap_remove_pages(pmap_t pmap) pmap_resident_count_dec(pmap,1); KASSERT(ml3->wire_count == NL3PG, ("pmap_remove_pages: l3 page wire count error")); - ml3->wire_count = 1; - vm_page_unwire_noq(ml3); + ml3->wire_count = 0; pmap_add_delayed_free_list(ml3, &free, FALSE); } @@ -4136,7 +4131,7 @@ pmap_remove_pages(pmap_t pmap) if (lock != NULL) rw_wunlock(lock); PMAP_UNLOCK(pmap); - vm_page_free_pages_toq(&free, false); + vm_page_free_pages_toq(&free, true); } /* @@ -4596,7 +4591,7 @@ small_mappings: not_cleared < PMAP_TS_REFERENCED_MAX); out: rw_wunlock(lock); - vm_page_free_pages_toq(&free, false); + vm_page_free_pages_toq(&free, true); return (cleared + not_cleared); } @@ -5019,7 +5014,7 @@ pmap_demote_l2_abort(pmap_t pmap, vm_offset_t va, pt_e SLIST_INIT(&free); (void)pmap_remove_l2(pmap, l2, va, pmap_load(pmap_l1(pmap, va)), &free, lockp); - vm_page_free_pages_toq(&free, false); + vm_page_free_pages_toq(&free, true); } /*