diff options
| author | Michael Shalayeff <mickey@cvs.openbsd.org> | 2002-05-20 01:24:27 +0000 |
|---|---|---|
| committer | Michael Shalayeff <mickey@cvs.openbsd.org> | 2002-05-20 01:24:27 +0000 |
| commit | d62a5cb47ec017bf90c234f4837ff88693404df7 (patch) | |
| tree | 062b8d2d57e02652a91df5d6a0a74d19a0121799 /sys/arch | |
| parent | 2174fc097a2387ef38ea68c8c45550adfaf29bf0 (diff) | |
do not free the kernel page dirs, they are hard to account for sometimes; also some dprintfs here and there
Diffstat (limited to 'sys/arch')
| -rw-r--r-- | sys/arch/hppa/hppa/pmap.c | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/sys/arch/hppa/hppa/pmap.c b/sys/arch/hppa/hppa/pmap.c index 8ccb18c3e29..a98775085f4 100644 --- a/sys/arch/hppa/hppa/pmap.c +++ b/sys/arch/hppa/hppa/pmap.c @@ -1,4 +1,4 @@ -/* $OpenBSD: pmap.c,v 1.73 2002/04/30 17:26:52 mickey Exp $ */ +/* $OpenBSD: pmap.c,v 1.74 2002/05/20 01:24:26 mickey Exp $ */ /* * Copyright (c) 1998-2002 Michael Shalayeff @@ -73,7 +73,7 @@ #define PDB_PHYS 0x00020000 #define PDB_POOL 0x00040000 int pmapdebug = 0 - | PDB_INIT +/* | PDB_INIT */ /* | PDB_FOLLOW */ /* | PDB_VP */ /* | PDB_PV */ @@ -182,6 +182,9 @@ pmap_pde_set(struct pmap *pm, vaddr_t va, paddr_t ptp) if (ptp & PGOFSET) panic("pmap_pde_set, unaligned ptp 0x%x", ptp); #endif + DPRINTF(PDB_FOLLOW|PDB_VP, + ("pmap_pde_set(%p, 0x%x, 0x%x)\n", pm, va, ptp)); + asm("stwas %0, 0(%1)\n\tsync" :: "r" (ptp), "r" ((paddr_t)pm->pm_pdir + ((va >> 20) & 0xffc))); } @@ -251,8 +254,14 @@ pmap_pde_ptp(struct pmap *pm, pt_entry_t *pde) static __inline void pmap_pde_release(struct pmap *pmap, vaddr_t va, struct vm_page *ptp) { + DPRINTF(PDB_FOLLOW|PDB_PV, + ("pmap_pde_release(%p, 0x%x, %p)\n", pmap, va, ptp)); + ptp->wire_count--; - if (ptp->wire_count <= 1) { + if (ptp->wire_count <= 1 && pmap != pmap_kernel()) { + DPRINTF(PDB_FOLLOW|PDB_PV, + ("pmap_pde_release: disposing ptp %p\n", ptp)); + pmap_pde_set(pmap, va, 0); pmap->pm_stats.resident_count--; if (pmap->pm_ptphint == ptp) @@ -770,7 +779,7 @@ enter: simple_unlock(&pmap->pm_obj.vmobjlock); - DPRINTF(PDB_FOLLOW, ("pmap_enter: leaving\n")); + DPRINTF(PDB_FOLLOW|PDB_ENTER, ("pmap_enter: leaving\n")); return (0); } |