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o Remove the setting and clearing of the PG_MAPPED flag. (This flag is

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obsolete.)
This commit is contained in:
Alan Cox 2002-08-10 07:40:30 +00:00
parent db44450b11
commit 0da7370593
2 changed files with 8 additions and 16 deletions
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12
sys/amd64/amd64/pmap.c
View File

@ -1216,7 +1216,7 @@ pmap_pinit(pmap)
*/
ptdpg = vm_page_grab(pmap->pm_pteobj, PTDPTDI,
VM_ALLOC_NORMAL | VM_ALLOC_RETRY | VM_ALLOC_WIRED | VM_ALLOC_ZERO);
vm_page_flag_clear(ptdpg, PG_MAPPED | PG_BUSY); /* not usually mapped*/
vm_page_flag_clear(ptdpg, PG_BUSY);
ptdpg->valid = VM_PAGE_BITS_ALL;
pmap_qenter((vm_offset_t) pmap->pm_pdir, &ptdpg, 1);
@ -1628,7 +1628,7 @@ pmap_remove_entry(pmap_t pmap, vm_page_t m, vm_offset_t va)
TAILQ_REMOVE(&m->md.pv_list, pv, pv_list);
m->md.pv_list_count--;
if (TAILQ_FIRST(&m->md.pv_list) == NULL)
vm_page_flag_clear(m, PG_MAPPED | PG_WRITEABLE);
vm_page_flag_clear(m, PG_WRITEABLE);
TAILQ_REMOVE(&pmap->pm_pvlist, pv, pv_plist);
free_pv_entry(pv);
@ -1892,7 +1892,7 @@ pmap_remove_all(vm_page_t m)
free_pv_entry(pv);
}
vm_page_flag_clear(m, PG_MAPPED | PG_WRITEABLE);
vm_page_flag_clear(m, PG_WRITEABLE);
splx(s);
}
@ -2357,7 +2357,6 @@ pmap_object_init_pt(pmap_t pmap, vm_offset_t addr,
ptepa += NBPDR;
ptepindex += 1;
}
vm_page_flag_set(p, PG_MAPPED);
pmap_invalidate_all(kernel_pmap);
return;
}
@ -2411,7 +2410,6 @@ pmap_object_init_pt(pmap_t pmap, vm_offset_t addr,
mpte = pmap_enter_quick(pmap,
addr + i386_ptob(tmpidx), p, mpte);
vm_page_lock_queues();
vm_page_flag_set(p, PG_MAPPED);
vm_page_wakeup(p);
}
vm_page_unlock_queues();
@ -2444,7 +2442,6 @@ pmap_object_init_pt(pmap_t pmap, vm_offset_t addr,
mpte = pmap_enter_quick(pmap,
addr + i386_ptob(tmpidx), p, mpte);
vm_page_lock_queues();
vm_page_flag_set(p, PG_MAPPED);
vm_page_wakeup(p);
}
vm_page_unlock_queues();
@ -2542,7 +2539,6 @@ pmap_prefault(pmap, addra, entry)
vm_page_unlock_queues();
mpte = pmap_enter_quick(pmap, addr, m, mpte);
vm_page_lock_queues();
vm_page_flag_set(m, PG_MAPPED);
vm_page_wakeup(m);
}
vm_page_unlock_queues();
@ -3002,7 +2998,7 @@ pmap_remove_pages(pmap, sva, eva)
m->md.pv_list_count--;
TAILQ_REMOVE(&m->md.pv_list, pv, pv_list);
if (TAILQ_FIRST(&m->md.pv_list) == NULL) {
vm_page_flag_clear(m, PG_MAPPED | PG_WRITEABLE);
vm_page_flag_clear(m, PG_WRITEABLE);
}
pmap_unuse_pt(pv->pv_pmap, pv->pv_va, pv->pv_ptem);

12
sys/i386/i386/pmap.c
View File

@ -1216,7 +1216,7 @@ pmap_pinit(pmap)
*/
ptdpg = vm_page_grab(pmap->pm_pteobj, PTDPTDI,
VM_ALLOC_NORMAL | VM_ALLOC_RETRY | VM_ALLOC_WIRED | VM_ALLOC_ZERO);
vm_page_flag_clear(ptdpg, PG_MAPPED | PG_BUSY); /* not usually mapped*/
vm_page_flag_clear(ptdpg, PG_BUSY);
ptdpg->valid = VM_PAGE_BITS_ALL;
pmap_qenter((vm_offset_t) pmap->pm_pdir, &ptdpg, 1);
@ -1628,7 +1628,7 @@ pmap_remove_entry(pmap_t pmap, vm_page_t m, vm_offset_t va)
TAILQ_REMOVE(&m->md.pv_list, pv, pv_list);
m->md.pv_list_count--;
if (TAILQ_FIRST(&m->md.pv_list) == NULL)
vm_page_flag_clear(m, PG_MAPPED | PG_WRITEABLE);
vm_page_flag_clear(m, PG_WRITEABLE);
TAILQ_REMOVE(&pmap->pm_pvlist, pv, pv_plist);
free_pv_entry(pv);
@ -1892,7 +1892,7 @@ pmap_remove_all(vm_page_t m)
free_pv_entry(pv);
}
vm_page_flag_clear(m, PG_MAPPED | PG_WRITEABLE);
vm_page_flag_clear(m, PG_WRITEABLE);
splx(s);
}
@ -2357,7 +2357,6 @@ pmap_object_init_pt(pmap_t pmap, vm_offset_t addr,
ptepa += NBPDR;
ptepindex += 1;
}
vm_page_flag_set(p, PG_MAPPED);
pmap_invalidate_all(kernel_pmap);
return;
}
@ -2411,7 +2410,6 @@ pmap_object_init_pt(pmap_t pmap, vm_offset_t addr,
mpte = pmap_enter_quick(pmap,
addr + i386_ptob(tmpidx), p, mpte);
vm_page_lock_queues();
vm_page_flag_set(p, PG_MAPPED);
vm_page_wakeup(p);
}
vm_page_unlock_queues();
@ -2444,7 +2442,6 @@ pmap_object_init_pt(pmap_t pmap, vm_offset_t addr,
mpte = pmap_enter_quick(pmap,
addr + i386_ptob(tmpidx), p, mpte);
vm_page_lock_queues();
vm_page_flag_set(p, PG_MAPPED);
vm_page_wakeup(p);
}
vm_page_unlock_queues();
@ -2542,7 +2539,6 @@ pmap_prefault(pmap, addra, entry)
vm_page_unlock_queues();
mpte = pmap_enter_quick(pmap, addr, m, mpte);
vm_page_lock_queues();
vm_page_flag_set(m, PG_MAPPED);
vm_page_wakeup(m);
}
vm_page_unlock_queues();
@ -3002,7 +2998,7 @@ pmap_remove_pages(pmap, sva, eva)
m->md.pv_list_count--;
TAILQ_REMOVE(&m->md.pv_list, pv, pv_list);
if (TAILQ_FIRST(&m->md.pv_list) == NULL) {
vm_page_flag_clear(m, PG_MAPPED | PG_WRITEABLE);
vm_page_flag_clear(m, PG_WRITEABLE);
}
pmap_unuse_pt(pv->pv_pmap, pv->pv_va, pv->pv_ptem);