Merge branch 'x86-mm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...
[~shefty/rdma-dev.git] / arch / x86 / mm / init_32.c
index a2fecb1611cc9af7c420e8ef624152c439252290..8663f6c47ccbc920c58063633e2d67745448a3d2 100644 (file)
@@ -427,23 +427,17 @@ static void __init add_one_highpage_init(struct page *page)
 void __init add_highpages_with_active_regions(int nid,
                         unsigned long start_pfn, unsigned long end_pfn)
 {
-       struct range *range;
-       int nr_range;
-       int i;
-
-       nr_range = __get_free_all_memory_range(&range, nid, start_pfn, end_pfn);
-
-       for (i = 0; i < nr_range; i++) {
-               struct page *page;
-               int node_pfn;
-
-               for (node_pfn = range[i].start; node_pfn < range[i].end;
-                    node_pfn++) {
-                       if (!pfn_valid(node_pfn))
-                               continue;
-                       page = pfn_to_page(node_pfn);
-                       add_one_highpage_init(page);
-               }
+       phys_addr_t start, end;
+       u64 i;
+
+       for_each_free_mem_range(i, nid, &start, &end, NULL) {
+               unsigned long pfn = clamp_t(unsigned long, PFN_UP(start),
+                                           start_pfn, end_pfn);
+               unsigned long e_pfn = clamp_t(unsigned long, PFN_DOWN(end),
+                                             start_pfn, end_pfn);
+               for ( ; pfn < e_pfn; pfn++)
+                       if (pfn_valid(pfn))
+                               add_one_highpage_init(pfn_to_page(pfn));
        }
 }
 #else
@@ -650,18 +644,18 @@ void __init initmem_init(void)
        highstart_pfn = highend_pfn = max_pfn;
        if (max_pfn > max_low_pfn)
                highstart_pfn = max_low_pfn;
-       memblock_x86_register_active_regions(0, 0, highend_pfn);
-       sparse_memory_present_with_active_regions(0);
        printk(KERN_NOTICE "%ldMB HIGHMEM available.\n",
                pages_to_mb(highend_pfn - highstart_pfn));
        num_physpages = highend_pfn;
        high_memory = (void *) __va(highstart_pfn * PAGE_SIZE - 1) + 1;
 #else
-       memblock_x86_register_active_regions(0, 0, max_low_pfn);
-       sparse_memory_present_with_active_regions(0);
        num_physpages = max_low_pfn;
        high_memory = (void *) __va(max_low_pfn * PAGE_SIZE - 1) + 1;
 #endif
+
+       memblock_set_node(0, (phys_addr_t)ULLONG_MAX, 0);
+       sparse_memory_present_with_active_regions(0);
+
 #ifdef CONFIG_FLATMEM
        max_mapnr = num_physpages;
 #endif