Date: Fri, 23 Apr 2010 06:01:26 +0000 (UTC) From: Kip Macy <kmacy@FreeBSD.org> To: src-committers@freebsd.org, svn-src-user@freebsd.org Subject: svn commit: r207097 - user/kmacy/head_page_lock_2/sys/amd64/amd64 Message-ID: <201004230601.o3N61QPf011427@svn.freebsd.org>
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Author: kmacy Date: Fri Apr 23 06:01:26 2010 New Revision: 207097 URL: http://svn.freebsd.org/changeset/base/207097 Log: - don't check page queue in get_pv_entry it no longer applies - add comment about pv_list in demote Modified: user/kmacy/head_page_lock_2/sys/amd64/amd64/pmap.c Modified: user/kmacy/head_page_lock_2/sys/amd64/amd64/pmap.c ============================================================================== --- user/kmacy/head_page_lock_2/sys/amd64/amd64/pmap.c Fri Apr 23 03:37:39 2010 (r207096) +++ user/kmacy/head_page_lock_2/sys/amd64/amd64/pmap.c Fri Apr 23 06:01:26 2010 (r207097) @@ -2272,8 +2272,7 @@ get_pv_entry(pmap_t pmap) } } /* No free items, allocate another chunk */ - m = vm_page_alloc(NULL, colour, (pq == &vm_page_queues[PQ_ACTIVE] ? - VM_ALLOC_SYSTEM : VM_ALLOC_NORMAL) | VM_ALLOC_NOOBJ | + m = vm_page_alloc(NULL, colour, VM_ALLOC_NORMAL | VM_ALLOC_NOOBJ | VM_ALLOC_WIRED); if (m == NULL) { PV_STAT(pc_chunk_tryfail++); @@ -2738,6 +2737,11 @@ pmap_remove_pde(pmap_t pmap, pd_entry_t PA_UNLOCK(pa); } if (pmap == kernel_pmap) { + /* + * + * Our inability to fail here implies that we should + * always be passed a pv_list if pmap == kernel_pmap + */ if (!pmap_demote_pde(pmap, pdq, sva, pv_list)) panic("pmap_remove_pde: failed demotion"); } else {
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