sys/vm/memguard.c

116 static vm_size_t memguard_mapsize;
124     &memguard_mapsize, 0, "MemGuard private arena size");
195 	memguard_mapsize = round_page(parent_size / vm_memguard_divisor);
196 	if (memguard_mapsize / (2 * PAGE_SIZE) > mem_pgs)
197 		memguard_mapsize = mem_pgs * 2 * PAGE_SIZE;
198 	if (km_size + memguard_mapsize > parent_size)
199 		memguard_mapsize = 0;
200 	return (km_size + memguard_mapsize);
213 	vmem_alloc(parent, memguard_mapsize, M_BESTFIT | M_WAITOK, &base);
214 	vmem_init(memguard_arena, "memguard arena", base, memguard_mapsize,
221 	    (uintmax_t)memguard_mapsize >> 10);
237 	    CTLFLAG_RD, &memguard_mapsize,
368 	return (a >= memguard_base && a < memguard_base + memguard_mapsize);