sys/vm/uma_core.c

1174 	u_int slabs, pages;
1186 	pages = keg->uk_domain[0].ud_pages;
1195 	if ((slabs = pages / keg->uk_ppera) > keg->uk_hash.uh_hashsize) {
1272  * path, otherwise, we can recurse on the vm while allocating pages.
1690  * Frees pages from a keg back to the system.  This is done on demand from
1780 	 * This reproduces the old vm_zone behavior of zero filling pages the
1805 	/* For HASH zones all pages go to the same uma_domain. */
1879 	int i, pages;
1881 	pages = howmany(bytes, PAGE_SIZE);
1882 	KASSERT(pages > 0, ("%s can't reserve 0 pages", __func__));
1886 	    VM_ALLOC_WIRED, pages, (vm_paddr_t)0, ~(vm_paddr_t)0, 1, 0,
1892 	for (i = 0; i < pages; i++, pa += PAGE_SIZE) {
1901 	    m->phys_addr + (pages * PAGE_SIZE), VM_PROT_READ | VM_PROT_WRITE));
1929  * Allocates a number of pages from the system
2006  * Allocates a number of pages not belonging to a VM object
2046 		 * Page allocation failed, free intermediate pages and
2068  * Allocate physically contiguous pages.
2103  * Frees a number of pages to the system
2302 	u_int pages;
2339 		 * To do this we will span pages.  We will also extend the item
2351 		 * Start with a slab size of as many pages as it takes to
2428 	pages = atop(kl.slabsize);
2430 		pages *= mp_maxid + 1;
2434 	keg->uk_ppera = pages;
2452 	    pages);
2456 	     keg->uk_ipers, pages));
2688 		    "pages per-slab allocation");
2710 			    "pages", CTLFLAG_RD, &dom->ud_pages, 0,
2711 			    "Total pages currently allocated from VM");
3012 	uint32_t free, pages;
3016 	free = pages = 0;
3019 		pages += keg->uk_domain[i].ud_pages;
3022 	if (pages != 0)
3024 		    " Lost %u pages of memory.\n",
3026 		    pages / keg->uk_ppera * keg->uk_ipers - free, pages);
3114  * Initialize the kernel memory allocator.  This is done after pages can be
5201 	u_int pages;
5207 	pages = howmany(count, keg->uk_ipers) * keg->uk_ppera;
5214 		kva = kva_alloc((vm_size_t)pages * PAGE_SIZE);
5223 	zone->uz_max_items = pages * keg->uk_ipers;
5344 	 * we visit again so that we can free pages that are empty once other
5549 	uint32_t kfree, pages;
5579 		kfree = pages = 0;
5582 			pages += kz->uk_domain[i].ud_pages;
5595 				uth.uth_pages = pages;