From d3ee871e63d0a0c70413dc0aa5534b8d6cd6ec37 Mon Sep 17 00:00:00 2001 From: Bob Picco Date: Sat, 5 Nov 2005 17:25:54 +0100 Subject: [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 Signed-off-by: Andi Kleen Signed-off-by: Linus Torvalds --- arch/x86_64/mm/numa.c | 18 +++++++++++++++++- 1 file changed, 17 insertions(+), 1 deletion(-) (limited to 'arch/x86_64/mm') diff --git a/arch/x86_64/mm/numa.c b/arch/x86_64/mm/numa.c index 629ff0621b3..a828a01739c 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); } -- cgit v1.2.3