#include <linux/bootmem.h>
#include <linux/efi.h>
#include <linux/mm.h>
+#include <linux/nmi.h>
#include <linux/swap.h>
#include <asm/meminit.h>
printk(KERN_INFO "Mem-info:\n");
show_free_areas();
- printk(KERN_INFO "Free swap: %6ldkB\n",
- nr_swap_pages<<(PAGE_SHIFT-10));
printk(KERN_INFO "Node memory in pages:\n");
for_each_online_pgdat(pgdat) {
unsigned long present;
present = pgdat->node_present_pages;
for(i = 0; i < pgdat->node_spanned_pages; i++) {
struct page *page;
+ if (unlikely(i % MAX_ORDER_NR_PAGES == 0))
+ touch_nmi_watchdog();
if (pfn_valid(pgdat->node_start_pfn + i))
page = pfn_to_page(pgdat->node_start_pfn + i);
else {
printk(KERN_INFO "%d pages shared\n", total_shared);
printk(KERN_INFO "%d pages swap cached\n", total_cached);
printk(KERN_INFO "Total of %ld pages in page table cache\n",
- pgtable_quicklist_total_size());
+ quicklist_total_size());
printk(KERN_INFO "%d free buffer pages\n", nr_free_buffer_pages());
}
/* physical address where the bootmem map is located */
unsigned long bootmap_start;
-/**
- * find_max_pfn - adjust the maximum page number callback
- * @start: start of range
- * @end: end of range
- * @arg: address of pointer to global max_pfn variable
- *
- * Passed as a callback function to efi_memmap_walk() to determine the highest
- * available page frame number in the system.
- */
-int
-find_max_pfn (unsigned long start, unsigned long end, void *arg)
-{
- unsigned long *max_pfnp = arg, pfn;
-
- pfn = (PAGE_ALIGN(end - 1) - PAGE_OFFSET) >> PAGE_SHIFT;
- if (pfn > *max_pfnp)
- *max_pfnp = pfn;
- return 0;
-}
-
/**
* find_bootmap_location - callback to find a memory area for the bootmap
* @start: start of region
return 0;
}
+#ifdef CONFIG_SMP
+static void *cpu_data;
+/**
+ * per_cpu_init - setup per-cpu variables
+ *
+ * Allocate and setup per-cpu data areas.
+ */
+void * __cpuinit
+per_cpu_init (void)
+{
+ int cpu;
+ static int first_time=1;
+
+ /*
+ * get_free_pages() cannot be used before cpu_init() done. BSP
+ * allocates "NR_CPUS" pages for all CPUs to avoid that AP calls
+ * get_zeroed_page().
+ */
+ if (first_time) {
+ void *cpu0_data = __cpu0_per_cpu;
+
+ first_time=0;
+
+ __per_cpu_offset[0] = (char *) cpu0_data - __per_cpu_start;
+ per_cpu(local_per_cpu_offset, 0) = __per_cpu_offset[0];
+
+ for (cpu = 1; cpu < NR_CPUS; cpu++) {
+ memcpy(cpu_data, __phys_per_cpu_start, __per_cpu_end - __per_cpu_start);
+ __per_cpu_offset[cpu] = (char *) cpu_data - __per_cpu_start;
+ cpu_data += PERCPU_PAGE_SIZE;
+ per_cpu(local_per_cpu_offset, cpu) = __per_cpu_offset[cpu];
+ }
+ }
+ return __per_cpu_start + __per_cpu_offset[smp_processor_id()];
+}
+
+static inline void
+alloc_per_cpu_data(void)
+{
+ cpu_data = __alloc_bootmem(PERCPU_PAGE_SIZE * NR_CPUS-1,
+ PERCPU_PAGE_SIZE, __pa(MAX_DMA_ADDRESS));
+}
+#else
+#define alloc_per_cpu_data() do { } while (0)
+#endif /* CONFIG_SMP */
+
/**
* find_memory - setup memory map
*
reserve_memory();
/* first find highest page frame number */
- max_pfn = 0;
- efi_memmap_walk(find_max_pfn, &max_pfn);
-
+ min_low_pfn = ~0UL;
+ max_low_pfn = 0;
+ efi_memmap_walk(find_max_min_low_pfn, NULL);
+ max_pfn = max_low_pfn;
/* how many bytes to cover all the pages */
bootmap_size = bootmem_bootmap_pages(max_pfn) << PAGE_SHIFT;
if (bootmap_start == ~0UL)
panic("Cannot find %ld bytes for bootmap\n", bootmap_size);
- bootmap_size = init_bootmem(bootmap_start >> PAGE_SHIFT, max_pfn);
+ bootmap_size = init_bootmem_node(NODE_DATA(0),
+ (bootmap_start >> PAGE_SHIFT), 0, max_pfn);
/* Free all available memory, then mark bootmem-map as being in use. */
efi_memmap_walk(filter_rsvd_memory, free_bootmem);
- reserve_bootmem(bootmap_start, bootmap_size);
+ reserve_bootmem(bootmap_start, bootmap_size, BOOTMEM_DEFAULT);
find_initrd();
+ alloc_per_cpu_data();
}
-#ifdef CONFIG_SMP
-/**
- * per_cpu_init - setup per-cpu variables
- *
- * Allocate and setup per-cpu data areas.
- */
-void * __cpuinit
-per_cpu_init (void)
-{
- void *cpu_data;
- int cpu;
- static int first_time=1;
-
- /*
- * get_free_pages() cannot be used before cpu_init() done. BSP
- * allocates "NR_CPUS" pages for all CPUs to avoid that AP calls
- * get_zeroed_page().
- */
- if (first_time) {
- first_time=0;
- cpu_data = __alloc_bootmem(PERCPU_PAGE_SIZE * NR_CPUS,
- PERCPU_PAGE_SIZE, __pa(MAX_DMA_ADDRESS));
- for (cpu = 0; cpu < NR_CPUS; cpu++) {
- memcpy(cpu_data, __phys_per_cpu_start, __per_cpu_end - __per_cpu_start);
- __per_cpu_offset[cpu] = (char *) cpu_data - __per_cpu_start;
- cpu_data += PERCPU_PAGE_SIZE;
- per_cpu(local_per_cpu_offset, cpu) = __per_cpu_offset[cpu];
- }
- }
- return __per_cpu_start + __per_cpu_offset[smp_processor_id()];
-}
-#endif /* CONFIG_SMP */
-
static int
count_pages (u64 start, u64 end, void *arg)
{
max_zone_pfns[ZONE_NORMAL] = max_low_pfn;
#ifdef CONFIG_VIRTUAL_MEM_MAP
- efi_memmap_walk(register_active_ranges, NULL);
+ efi_memmap_walk(filter_memory, register_active_ranges);
efi_memmap_walk(find_largest_hole, (u64 *)&max_gap);
if (max_gap < LARGE_GAP) {
vmem_map = (struct page *) 0;
projects / linux-2.6-omap-h63xx.git / blobdiff