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Add synchronization to vm_pageq_add_new_page() so that it can be called

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safely after kernel initialization.  Remove GIANT_REQUIRED.

MFC after: 6 weeks
This commit is contained in:
Alan Cox 2006-04-25 17:27:24 +00:00
parent 88d524e515
commit fda28c1440
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=158020
1 changed files with 3 additions and 3 deletions
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6
sys/vm/vm_pageq.c
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@ -195,8 +195,6 @@ vm_pageq_add_new_page(vm_paddr_t pa)
vm_page_t m;
char *cp, *list, *pos;
GIANT_REQUIRED;
/*
* See if a physical address in this page has been listed
* in the blacklist tunable. Entries in the tunable are
@ -225,13 +223,15 @@ vm_pageq_add_new_page(vm_paddr_t pa)
freeenv(list);
}
++cnt.v_page_count;
atomic_add_int(&cnt.v_page_count, 1);
m = PHYS_TO_VM_PAGE(pa);
m->phys_addr = pa;
m->flags = 0;
m->pc = (pa >> PAGE_SHIFT) & PQ_COLORMASK;
pmap_page_init(m);
mtx_lock_spin(&vm_page_queue_free_mtx);
vm_pageq_enqueue(m->pc + PQ_FREE, m);
mtx_unlock_spin(&vm_page_queue_free_mtx);
return (m);
}