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Code Issues Releases Activity

o Lock page queue accesses by vm_page_wire().

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This commit is contained in:
Alan Cox 2002-07-14 20:24:40 +00:00
parent 9175709532
commit 700399bc41
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=99987
2 changed files with 8 additions and 0 deletions
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4
sys/amd64/amd64/pmap.c
View File

@ -1071,9 +1071,11 @@ pmap_swapin_thread(td)
m->valid = VM_PAGE_BITS_ALL;
}
ma[i] = m;
vm_page_lock_queues();
vm_page_wire(m);
vm_page_wakeup(m);
vm_page_flag_set(m, PG_MAPPED | PG_WRITEABLE);
vm_page_unlock_queues();
}
pmap_qenter(ks, ma, KSTACK_PAGES);
}
@ -1521,7 +1523,9 @@ pmap_growkernel(vm_offset_t addr)
nkpt++;
vm_page_lock_queues();
vm_page_wire(nkpg);
vm_page_unlock_queues();
pmap_zero_page(nkpg);
ptppaddr = VM_PAGE_TO_PHYS(nkpg);
newpdir = (pd_entry_t) (ptppaddr | PG_V | PG_RW | PG_A | PG_M);

4
sys/i386/i386/pmap.c
View File

@ -1071,9 +1071,11 @@ pmap_swapin_thread(td)
m->valid = VM_PAGE_BITS_ALL;
}
ma[i] = m;
vm_page_lock_queues();
vm_page_wire(m);
vm_page_wakeup(m);
vm_page_flag_set(m, PG_MAPPED | PG_WRITEABLE);
vm_page_unlock_queues();
}
pmap_qenter(ks, ma, KSTACK_PAGES);
}
@ -1521,7 +1523,9 @@ pmap_growkernel(vm_offset_t addr)
nkpt++;
vm_page_lock_queues();
vm_page_wire(nkpg);
vm_page_unlock_queues();
pmap_zero_page(nkpg);
ptppaddr = VM_PAGE_TO_PHYS(nkpg);
newpdir = (pd_entry_t) (ptppaddr | PG_V | PG_RW | PG_A | PG_M);