vm: print log messages during initialisation

vm/bootstrap.c

@@ -2,6 +2,7 @@
 #include <limits.h>
 #include <socks/vm.h>
 #include <socks/memblock.h>
+#include <socks/printk.h>
 #include <stddef.h>
 #include <limits.h>
 #include <stdint.h>
@@ -15,6 +16,7 @@ kern_status_t vm_bootstrap(const vm_zone_descriptor_t *zones, size_t nr_zones)
 
 	/* we're only worrying about UMA systems for now */
 	node_data = memblock_alloc(sizeof(vm_pg_data_t) * numa_count, 8);
+	printk("vm: initialising %u node%s", numa_count, numa_count > 1 ? "s" : "");
 
 	vm_page_init_array();
 

vm/kmalloc.c

@@ -2,6 +2,7 @@
 #include <socks/memblock.h>
 #include <socks/vm.h>
 #include <socks/util.h>
+#include <socks/printk.h>
 #include <socks/libc/string.h>
 
 #define SIZE_N_CACHE(s) \
@@ -38,6 +39,7 @@ void kmalloc_init(void)
 	}
 
 	kmalloc_initialised = 1;
+	printk("vm: kmalloc size-N caches online");
 }
 
 void *kmalloc(size_t count, vm_flags_t flags)

vm/page.c

@@ -1,5 +1,6 @@
 #include <socks/types.h>
 #include <socks/memblock.h>
+#include <socks/printk.h>
 #include <socks/vm.h>
 #include <socks/libc/string.h>
 
@@ -87,6 +88,7 @@ void vm_page_init_array()
 	}
 
 	size_t nr_reserved = 0;
+
 	for_each_reserved_mem_range(&it, 0x0, UINTPTR_MAX) {
 		for (uintptr_t i = it.it_base; i < it.it_limit; i += VM_PAGE_SIZE) {
 			size_t pfn = i / VM_PAGE_SIZE;
@@ -95,6 +97,8 @@ void vm_page_init_array()
 			nr_reserved++;
 		}
 	}
+
+	printk("vm: page array has %zu pages, %zu reserved", nr_pages, nr_reserved);
 }
 
 vm_page_t *vm_page_get(phys_addr_t addr)

vm/zone.c

@@ -2,6 +2,7 @@
 #include <socks/queue.h>
 #include <socks/types.h>
 #include <socks/vm.h>
+#include <socks/printk.h>
 #include <socks/libc/string.h>
 
 static vm_page_t *group_pages_into_block(vm_zone_t *z, phys_addr_t base, phys_addr_t limit, int order)
@@ -114,6 +115,7 @@ void vm_zone_init(vm_zone_t *z, const vm_zone_descriptor_t *zone_info)
 	}
 
 	spin_unlock_irqrestore(&z->z_lock, flags);
+	printk("vm: zone %s on node %u online.", z->z_info.zd_name, z->z_info.zd_node);
 }
 
 static int replenish_free_page_list(vm_zone_t *z, vm_page_order_t order)