From 3a58a2a6c879b2e47daafd6e641661c50ac9da5a Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Tue, 24 Jun 2008 12:19:41 -0700 Subject: [PATCH] x86: introduce init_memory_mapping for 32bit #3 move kva related early backto initmem_init for numa32 Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- arch/x86/mm/discontig_32.c | 8 ++++++-- arch/x86/mm/init_32.c | 20 -------------------- include/asm-x86/numa_32.h | 5 ----- 3 files changed, 6 insertions(+), 27 deletions(-) diff --git a/arch/x86/mm/discontig_32.c b/arch/x86/mm/discontig_32.c index f5ae31935ca..42484d446d0 100644 --- a/arch/x86/mm/discontig_32.c +++ b/arch/x86/mm/discontig_32.c @@ -200,7 +200,7 @@ void *alloc_remap(int nid, unsigned long size) return allocation; } -void __init remap_numa_kva(void) +static void __init remap_numa_kva(void) { void *vaddr; unsigned long pfn; @@ -373,12 +373,16 @@ void __init initmem_init(unsigned long start_pfn, allocate_pgdat(nid); } + remap_numa_kva(); + printk(KERN_DEBUG "High memory starts at vaddr %08lx\n", (ulong) pfn_to_kaddr(highstart_pfn)); for_each_online_node(nid) propagate_e820_map_node(nid); - memset(NODE_DATA(0), 0, sizeof(struct pglist_data)); + for_each_online_node(nid) + memset(NODE_DATA(nid), 0, sizeof(struct pglist_data)); + NODE_DATA(0)->bdata = &node0_bdata; setup_bootmem_allocator(); } diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c index ecccb055b08..c059c460e32 100644 --- a/arch/x86/mm/init_32.c +++ b/arch/x86/mm/init_32.c @@ -449,7 +449,6 @@ static void __init pagetable_init(void) paravirt_pagetable_setup_start(pgd_base); - remap_numa_kva(); /* * Fixed mappings, only the page table structure has to be * created - mappings will be set by set_fixmap(): @@ -724,24 +723,6 @@ void __init setup_bootmem_allocator(void) after_init_bootmem = 1; } -/* - * The node 0 pgdat is initialized before all of these because - * it's needed for bootmem. node>0 pgdats have their virtual - * space allocated before the pagetables are in place to access - * them, so they can't be cleared then. - * - * This should all compile down to nothing when NUMA is off. - */ -static void __init remapped_pgdat_init(void) -{ - int nid; - - for_each_online_node(nid) { - if (nid != 0) - memset(NODE_DATA(nid), 0, sizeof(struct pglist_data)); - } -} - static void __init find_early_table_space(unsigned long end) { unsigned long puds, pmds, tables, start; @@ -831,7 +812,6 @@ void __init paging_init(void) /* * NOTE: at this point the bootmem allocator is fully available. */ - remapped_pgdat_init(); sparse_init(); zone_sizes_init(); diff --git a/include/asm-x86/numa_32.h b/include/asm-x86/numa_32.h index ed6c88eac84..220d7b7707a 100644 --- a/include/asm-x86/numa_32.h +++ b/include/asm-x86/numa_32.h @@ -5,12 +5,7 @@ extern int pxm_to_nid(int pxm); extern void numa_remove_cpu(int cpu); #ifdef CONFIG_NUMA -extern void __init remap_numa_kva(void); extern void set_highmem_pages_init(void); -#else -static inline void remap_numa_kva(void) -{ -} #endif #endif /* _ASM_X86_32_NUMA_H */ -- 2.41.1