diff options
author | David S. Miller <davem@davemloft.net> | 2012-04-25 13:13:43 -0700 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2012-04-26 20:02:23 -0700 |
commit | 625d693e9784f988371e69c2b41a2172c0be6c11 (patch) | |
tree | f858bdd04b75745adcc347ba3fc0323e5f263f30 | |
parent | 8fe5f56c8a203a7a83d1b621c369655d914f3752 (diff) | |
download | linux-625d693e9784f988371e69c2b41a2172c0be6c11.tar.gz linux-625d693e9784f988371e69c2b41a2172c0be6c11.tar.bz2 linux-625d693e9784f988371e69c2b41a2172c0be6c11.zip |
sparc64: Convert over to NO_BOOTMEM.
With help from Sam Ravnborg.
Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r-- | arch/sparc/Kconfig | 1 | ||||
-rw-r--r-- | arch/sparc/mm/init_64.c | 91 |
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(); |