Date: Sun, 10 Mar 2013 21:07:44 +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: r248140 - in head/sys: amd64/amd64 i386/i386 Message-ID: <201303102107.r2AL7iCY048637@svn.freebsd.org>
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Author: alc Date: Sun Mar 10 21:07:44 2013 New Revision: 248140 URL: http://svnweb.freebsd.org/changeset/base/248140 Log: The kernel pmap is statically allocated, so there is really no need to explicitly initialize its pm_root field to zero. Sponsored by: EMC / Isilon Storage Division Modified: head/sys/amd64/amd64/pmap.c head/sys/i386/i386/pmap.c Modified: head/sys/amd64/amd64/pmap.c ============================================================================== --- head/sys/amd64/amd64/pmap.c Sun Mar 10 19:14:09 2013 (r248139) +++ head/sys/amd64/amd64/pmap.c Sun Mar 10 21:07:44 2013 (r248140) @@ -669,7 +669,6 @@ pmap_bootstrap(vm_paddr_t *firstaddr) */ PMAP_LOCK_INIT(kernel_pmap); kernel_pmap->pm_pml4 = (pdp_entry_t *)PHYS_TO_DMAP(KPML4phys); - kernel_pmap->pm_root = NULL; CPU_FILL(&kernel_pmap->pm_active); /* don't allow deactivation */ TAILQ_INIT(&kernel_pmap->pm_pvchunk); Modified: head/sys/i386/i386/pmap.c ============================================================================== --- head/sys/i386/i386/pmap.c Sun Mar 10 19:14:09 2013 (r248139) +++ head/sys/i386/i386/pmap.c Sun Mar 10 21:07:44 2013 (r248140) @@ -392,7 +392,6 @@ pmap_bootstrap(vm_paddr_t firstaddr) #ifdef PAE kernel_pmap->pm_pdpt = (pdpt_entry_t *) (KERNBASE + (u_int)IdlePDPT); #endif - kernel_pmap->pm_root = NULL; CPU_FILL(&kernel_pmap->pm_active); /* don't allow deactivation */ TAILQ_INIT(&kernel_pmap->pm_pvchunk);
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