Date: Sun, 30 Oct 2011 20:45:27 +0000 (UTC) From: Jeff Roberson <jeff@FreeBSD.org> To: src-committers@freebsd.org, svn-src-user@freebsd.org Subject: svn commit: r226941 - user/attilio/vmcontention/sys/amd64/amd64 Message-ID: <201110302045.p9UKjRcQ083909@svn.freebsd.org>
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Author: jeff Date: Sun Oct 30 20:45:27 2011 New Revision: 226941 URL: http://svn.freebsd.org/changeset/base/226941 Log: - Eliminate a use of the splay right link by using the object pointer for a temporary singly linked list. Modified: user/attilio/vmcontention/sys/amd64/amd64/pmap.c Modified: user/attilio/vmcontention/sys/amd64/amd64/pmap.c ============================================================================== --- user/attilio/vmcontention/sys/amd64/amd64/pmap.c Sun Oct 30 16:29:04 2011 (r226940) +++ user/attilio/vmcontention/sys/amd64/amd64/pmap.c Sun Oct 30 20:45:27 2011 (r226941) @@ -1425,7 +1425,8 @@ pmap_free_zero_pages(vm_page_t free) while (free != NULL) { m = free; - free = m->right; + free = (void *)m->object; + m->object = NULL; /* Preserve the page's PG_ZERO setting. */ vm_page_free_toq(m); } @@ -1444,7 +1445,7 @@ pmap_add_delayed_free_list(vm_page_t m, m->flags |= PG_ZERO; else m->flags &= ~PG_ZERO; - m->right = *free; + m->object = (void *)*free; *free = m; }
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