diff options
| author |   Bob Picco <bob.picco@hp.com> | 2005-11-05 17:25:54 +0100 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@g5.osdl.org> | 2005-11-14 19:55:18 -0800 |
| commit | d3ee871e63d0a0c70413dc0aa5534b8d6cd6ec37 (patch) | |
| tree | 79114c735614c4811d02ac9ccc81f6c9798a73ec /arch/x86_64/mm | |
| parent | [PATCH] x86_64: Increase the maximum number of local APICs to the maximum (diff) | |
| download | linux-dev-d3ee871e63d0a0c70413dc0aa5534b8d6cd6ec37.tar.xz linux-dev-d3ee871e63d0a0c70413dc0aa5534b8d6cd6ec37.zip | |
[PATCH] x86_64: Fix sparse mem
Fix up booting with sparse mem enabled. Otherwise it would just
cause an early PANIC at boot.
Signed-off-by: Bob Picco <bob.picco@hp.com>
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'arch/x86_64/mm')
| -rw-r--r-- | arch/x86_64/mm/numa.c | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/arch/x86_64/mm/numa.c b/arch/x86_64/mm/numa.c index 629ff0621b3d..a828a01739cc 100644 --- a/arch/x86_64/mm/numa.c +++ b/arch/x86_64/mm/numa.c @@ -113,7 +113,6 @@ void __init setup_node_bootmem(int nodeid, unsigned long start, unsigned long en start_pfn = start >> PAGE_SHIFT; end_pfn = end >> PAGE_SHIFT; - memory_present(nodeid, start_pfn, end_pfn); nodedata_phys = find_e820_area(start, end, pgdat_size); if (nodedata_phys == -1L) panic("Cannot find memory pgdat in node %d\n", nodeid); @@ -285,9 +284,26 @@ unsigned long __init numa_free_all_bootmem(void) return pages; } +#ifdef CONFIG_SPARSEMEM +static void __init arch_sparse_init(void) +{ + int i; + + for_each_online_node(i) + memory_present(i, node_start_pfn(i), node_end_pfn(i)); + + sparse_init(); +} +#else +#define arch_sparse_init() do {} while (0) +#endif + void __init paging_init(void) { int i; + + arch_sparse_init(); + for_each_online_node(i) { setup_node_zones(i); } |