From d0b59a4d47456fbe90d0bf53a5753f8f07dd19be Mon Sep 17 00:00:00 2001 From: alc Date: Fri, 27 Aug 2004 19:06:17 +0000 Subject: The machine-independent parts of the virtual memory system always pass a valid pmap to the pmap functions that require one. Remove the checks for NULL. (These checks have their origins in the Mach pmap.c that was integrated into BSD. None of the new code written specifically for FreeBSD included them.) --- sys/ia64/ia64/pmap.c | 16 ---------------- 1 file changed, 16 deletions(-) (limited to 'sys/ia64') diff --git a/sys/ia64/ia64/pmap.c b/sys/ia64/ia64/pmap.c index 8525dcb..5837f2c 100644 --- a/sys/ia64/ia64/pmap.c +++ b/sys/ia64/ia64/pmap.c @@ -950,8 +950,6 @@ pmap_extract(pmap_t pmap, vm_offset_t va) vm_paddr_t pa; pa = 0; - if (pmap == NULL) - return (pa); PMAP_LOCK(pmap); oldpmap = pmap_install(pmap); pte = pmap_find_vhpt(va); @@ -977,8 +975,6 @@ pmap_extract_and_hold(pmap_t pmap, vm_offset_t va, vm_prot_t prot) vm_page_t m; m = NULL; - if (pmap == NULL) - return (m); vm_page_lock_queues(); PMAP_LOCK(pmap); oldpmap = pmap_install(pmap); @@ -1318,9 +1314,6 @@ pmap_remove(pmap_t pmap, vm_offset_t sva, vm_offset_t eva) pv_entry_t npv, pv; struct ia64_lpte *pte; - if (pmap == NULL) - return; - if (pmap->pm_stats.resident_count == 0) return; @@ -1430,9 +1423,6 @@ pmap_protect(pmap_t pmap, vm_offset_t sva, vm_offset_t eva, vm_prot_t prot) pmap_t oldpmap; struct ia64_lpte *pte; - if (pmap == NULL) - return; - if ((prot & VM_PROT_READ) == VM_PROT_NONE) { pmap_remove(pmap, sva, eva); return; @@ -1506,9 +1496,6 @@ pmap_enter(pmap_t pmap, vm_offset_t va, vm_page_t m, vm_prot_t prot, struct ia64_lpte *pte; boolean_t managed; - if (pmap == NULL) - return; - vm_page_lock_queues(); PMAP_LOCK(pmap); oldpmap = pmap_install(pmap); @@ -1713,9 +1700,6 @@ pmap_change_wiring(pmap, va, wired) pmap_t oldpmap; struct ia64_lpte *pte; - if (pmap == NULL) - return; - PMAP_LOCK(pmap); oldpmap = pmap_install(pmap); -- cgit v1.1