static __inline void
uvmfault_anonflush(struct vm_anon **anons, int n)
{
int lcv;
struct vm_page *pg;
for (lcv = 0 ; lcv < n ; lcv++) {
if (anons[lcv] == NULL)
continue;
simple_lock(&anons[lcv]->an_lock);
pg = anons[lcv]->an_page;
if (pg && (pg->pg_flags & PG_BUSY) == 0 && pg->loan_count == 0) {
uvm_lock_pageq();
if (pg->wire_count == 0) {
#ifdef UBC
pmap_clear_reference(pg);
#else
pmap_page_protect(pg, VM_PROT_NONE);
#endif
uvm_pagedeactivate(pg);
}
uvm_unlock_pageq();
}
simple_unlock(&anons[lcv]->an_lock);
}
}
/*
* uvmfault_anonflush: try and deactivate pages in specified anons
*
* => does not have to deactivate page if it is busy
*/
static __inline void
uvmfault_anonflush(struct vm_anon **anons, int n)
{
int lcv;
struct vm_page *pg;
for (lcv = 0 ; lcv < n ; lcv++) {
if (anons[lcv] == NULL)
continue;
mtx_enter(&anons[lcv]->an_lock);
pg = anons[lcv]->an_page;
if (pg && (pg->pg_flags & PG_BUSY) == 0 &&
pg->loan_count == 0) {
uvm_lock_pageq();
if (pg->wire_count == 0)
uvm_pagedeactivate(pg);
uvm_unlock_pageq();
}
mtx_leave(&anons[lcv]->an_lock);
}
}
