sparc64: Convert over to NO_BOOTMEM.

With help from Sam Ravnborg.

Signed-off-by: David S. Miller <davem@davemloft.net>

2 files changed, 8 insertions, 84 deletions

diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig
index db4e821b3ed0..6335849c1547 100644
--- a/arch/sparc/Kconfig
+++ b/arch/sparc/Kconfig
@@ -61,6 +61,7 @@ config SPARC64
         select IRQ_PREFLOW_FASTEOI
         select ARCH_HAVE_NMI_SAFE_CMPXCHG
         select HAVE_C_RECORDMCOUNT
+        select NO_BOOTMEM
 
 config ARCH_DEFCONFIG
         string
diff --git a/arch/sparc/mm/init_64.c b/arch/sparc/mm/init_64.c
index 21faaeea85de..5b845598508c 100644
--- a/arch/sparc/mm/init_64.c
+++ b/arch/sparc/mm/init_64.c
@@ -741,7 +741,6 @@ static void __init find_ramdisk(unsigned long phys_base)
 struct node_mem_mask {
         unsigned long mask;
         unsigned long val;
-        unsigned long bootmem_paddr;
 };
 static struct node_mem_mask node_masks[MAX_NUMNODES];
 static int num_node_masks;
@@ -820,7 +819,7 @@ static u64 memblock_nid_range(u64 start, u64 end, int *nid)
  */
 static void __init allocate_node_data(int nid)
 {
-        unsigned long paddr, num_pages, start_pfn, end_pfn;
+        unsigned long paddr, start_pfn, end_pfn;
         struct pglist_data *p;
 
 #ifdef CONFIG_NEED_MULTIPLE_NODES
@@ -832,7 +831,7 @@ static void __init allocate_node_data(int nid)
         NODE_DATA(nid) = __va(paddr);
         memset(NODE_DATA(nid), 0, sizeof(struct pglist_data));
 
-        NODE_DATA(nid)->bdata = &bootmem_node_data[nid];
+        NODE_DATA(nid)->node_id = nid;
 #endif
 
         p = NODE_DATA(nid);
@@ -840,18 +839,6 @@ static void __init allocate_node_data(int nid)
         get_pfn_range_for_nid(nid, &start_pfn, &end_pfn);
         p->node_start_pfn = start_pfn;
         p->node_spanned_pages = end_pfn - start_pfn;
-
-        if (p->node_spanned_pages) {
-                num_pages = bootmem_bootmap_pages(p->node_spanned_pages);
-
-                paddr = memblock_alloc_try_nid(num_pages << PAGE_SHIFT, PAGE_SIZE, nid);
-                if (!paddr) {
-                        prom_printf("Cannot allocate bootmap for nid[%d]\n",
-                                  nid);
-                        prom_halt();
-                }
-                node_masks[nid].bootmem_paddr = paddr;
-        }
 }
 
 static void init_node_masks_nonnuma(void)
@@ -1292,75 +1279,9 @@ static void __init bootmem_init_nonnuma(void)
         node_set_online(0);
 }
 
-static void __init reserve_range_in_node(int nid, unsigned long start,
-                                         unsigned long end)
-{
-        numadbg("    reserve_range_in_node(nid[%d],start[%lx],end[%lx]\n",
-                nid, start, end);
-        while (start < end) {
-                unsigned long this_end;
-                int n;
-
-                this_end = memblock_nid_range(start, end, &n);
-                if (n == nid) {
-                        numadbg("      MATCH reserving range [%lx:%lx]\n",
-                                start, this_end);
-                        reserve_bootmem_node(NODE_DATA(nid), start,
-                                             (this_end - start), BOOTMEM_DEFAULT);
-                } else
-                        numadbg("      NO MATCH, advancing start to %lx\n",
-                                this_end);
-
-                start = this_end;
-        }
-}
-
-static void __init trim_reserved_in_node(int nid)
-{
-        struct memblock_region *reg;
-
-        numadbg("  trim_reserved_in_node(%d)\n", nid);
-
-        for_each_memblock(reserved, reg)
-                reserve_range_in_node(nid, reg->base, reg->base + reg->size);
-}
-
-static void __init bootmem_init_one_node(int nid)
-{
-        struct pglist_data *p;
-
-        numadbg("bootmem_init_one_node(%d)\n", nid);
-
-        p = NODE_DATA(nid);
-
-        if (p->node_spanned_pages) {
-                unsigned long paddr = node_masks[nid].bootmem_paddr;
-                unsigned long end_pfn;
-
-                end_pfn = p->node_start_pfn + p->node_spanned_pages;
-
-                numadbg("  init_bootmem_node(%d, %lx, %lx, %lx)\n",
-                        nid, paddr >> PAGE_SHIFT, p->node_start_pfn, end_pfn);
-
-                init_bootmem_node(p, paddr >> PAGE_SHIFT,
-                                  p->node_start_pfn, end_pfn);
-
-                numadbg("  free_bootmem_with_active_regions(%d, %lx)\n",
-                        nid, end_pfn);
-                free_bootmem_with_active_regions(nid, end_pfn);
-
-                trim_reserved_in_node(nid);
-
-                numadbg("  sparse_memory_present_with_active_regions(%d)\n",
-                        nid);
-                sparse_memory_present_with_active_regions(nid);
-        }
-}
-
 static unsigned long __init bootmem_init(unsigned long phys_base)
 {
         unsigned long end_pfn;
-        int nid;
 
         end_pfn = memblock_end_of_DRAM() >> PAGE_SHIFT;
         max_pfn = max_low_pfn = end_pfn;
@@ -1369,11 +1290,12 @@ static unsigned long __init bootmem_init(unsigned long phys_base)
         if (bootmem_init_numa() < 0)
                 bootmem_init_nonnuma();
 
-        /* XXX cpu notifier XXX */
+        /* Dump memblock with node info. */
+        memblock_dump_all();
 
-        for_each_online_node(nid)
-                bootmem_init_one_node(nid);
+        /* XXX cpu notifier XXX */
 
+        sparse_memory_present_with_active_regions(MAX_NUMNODES);
         sparse_init();
 
         return end_pfn;
@@ -1973,6 +1895,7 @@ void __init mem_init(void)
                                         free_all_bootmem_node(NODE_DATA(i));
                         }
                 }
+                totalram_pages += free_low_memory_core_early(MAX_NUMNODES);
         }
 #else
         totalram_pages = free_all_bootmem();