svn commit: r248140 - in head/sys: amd64/amd64 i386/i386
Alan Cox
alc at FreeBSD.org
Sun Mar 10 21:07:45 UTC 2013
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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