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Commit 3a58a2a6 authored by Yinghai Lu's avatar Yinghai Lu Committed by Ingo Molnar
Browse files

x86: introduce init_memory_mapping for 32bit #3 



move kva related early backto initmem_init for numa32

Signed-off-by: default avatarYinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent cfb0e53b

arch/x86/mm/discontig_32.c

+6 −2
Original line number Diff line number Diff line
@@ -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();

}

arch/x86/mm/init_32.c

+0 −20
Original line number Diff line number Diff line
@@ -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();

include/asm-x86/numa_32.h

+0 −5
Original line number Diff line number Diff line
@@ -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 */