Changeset View

Standalone View

Show First 20 Lines • Show All 2,854 Lines • ▼ Show 20 Lines	free_pv_chunk(struct pv_chunk *pc)
TAILQ_REMOVE(&pv_chunks, pc, pc_lru);		TAILQ_REMOVE(&pv_chunks, pc, pc_lru);
mtx_unlock(&pv_chunks_mutex);		mtx_unlock(&pv_chunks_mutex);
PV_STAT(atomic_subtract_int(&pv_entry_spare, _NPCPV));		PV_STAT(atomic_subtract_int(&pv_entry_spare, _NPCPV));
PV_STAT(atomic_subtract_int(&pc_chunk_count, 1));		PV_STAT(atomic_subtract_int(&pc_chunk_count, 1));
PV_STAT(atomic_add_int(&pc_chunk_frees, 1));		PV_STAT(atomic_add_int(&pc_chunk_frees, 1));
/* entire chunk is free, return it */		/* entire chunk is free, return it */
m = PHYS_TO_VM_PAGE(DMAP_TO_PHYS((vm_offset_t)pc));		m = PHYS_TO_VM_PAGE(DMAP_TO_PHYS((vm_offset_t)pc));
dump_drop_page(m->phys_addr);		dump_drop_page(m->phys_addr);
vm_page_unwire(m, PQ_INACTIVE);		vm_page_unwire(m, PQ_NONE);
vm_page_free(m);		vm_page_free(m);
}		}

/*		/*
* Returns a new PV entry, allocating a new PV chunk from the system when		* Returns a new PV entry, allocating a new PV chunk from the system when
* needed. If this PV chunk allocation fails and a PV list lock pointer was		* needed. If this PV chunk allocation fails and a PV list lock pointer was
* given, a PV chunk is reclaimed from an arbitrary pmap. Otherwise, NULL is		* given, a PV chunk is reclaimed from an arbitrary pmap. Otherwise, NULL is
* returned.		* returned.
▲ Show 20 Lines • Show All 4,242 Lines • Show Last 20 Lines