makedumpfile[1] cannot run on ia64 discontigmem kernel, because the member node_mem_map of struct pgdat_list has invalid value. This patch fixes it. node_start_pfn shows the start pfn of each node, and node_mem_map should point 'struct page' of each node's node_start_pfn. On my machine, node0's node_start_pfn shows 0x400 and its node_mem_map points 0xa0007fffbf000000. This address is the same as vmem_map, so the node_mem_map points 'struct page' of pfn 0, even if its node_start_pfn shows 0x400. The cause is due to the round down of min_pfn in count_node_pages() and node0's node_mem_map points 'struct page' of inactive pfn (0x0). This patch fixes it. makedumpfile[1]: dump filtering command https://sourceforge.net/projects/makedumpfile/ Signed-off-by: Ken'ichi Ohmichi <oomichi@mxs.nes.nec.co.jp> Cc: Bernhard Walle <bwalle@suse.de> Cc: Jay Lan <jlan@sgi.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Tony Luck <tony.luck@intel.com>
		
			
				
	
	
		
			75 lines
		
	
	
	
		
			2.4 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			75 lines
		
	
	
	
		
			2.4 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
#ifndef meminit_h
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#define meminit_h
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/*
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 * This file is subject to the terms and conditions of the GNU General Public
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 * License.  See the file "COPYING" in the main directory of this archive
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 * for more details.
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 */
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/*
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 * Entries defined so far:
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 * 	- boot param structure itself
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 * 	- memory map
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 * 	- initrd (optional)
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 * 	- command line string
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 * 	- kernel code & data
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 * 	- crash dumping code reserved region
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 * 	- Kernel memory map built from EFI memory map
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 * 	- ELF core header
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 *	- xen start info if CONFIG_XEN
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 *
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 * More could be added if necessary
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 */
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#define IA64_MAX_RSVD_REGIONS 9
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struct rsvd_region {
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	unsigned long start;	/* virtual address of beginning of element */
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	unsigned long end;	/* virtual address of end of element + 1 */
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};
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extern struct rsvd_region rsvd_region[IA64_MAX_RSVD_REGIONS + 1];
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extern int num_rsvd_regions;
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extern void find_memory (void);
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extern void reserve_memory (void);
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extern void find_initrd (void);
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extern int filter_rsvd_memory (unsigned long start, unsigned long end, void *arg);
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extern int filter_memory (unsigned long start, unsigned long end, void *arg);
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extern unsigned long efi_memmap_init(unsigned long *s, unsigned long *e);
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extern int find_max_min_low_pfn (unsigned long , unsigned long, void *);
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extern unsigned long vmcore_find_descriptor_size(unsigned long address);
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extern int reserve_elfcorehdr(unsigned long *start, unsigned long *end);
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/*
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 * For rounding an address to the next IA64_GRANULE_SIZE or order
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 */
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#define GRANULEROUNDDOWN(n)	((n) & ~(IA64_GRANULE_SIZE-1))
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#define GRANULEROUNDUP(n)	(((n)+IA64_GRANULE_SIZE-1) & ~(IA64_GRANULE_SIZE-1))
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#ifdef CONFIG_NUMA
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  extern void call_pernode_memory (unsigned long start, unsigned long len, void *func);
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#else
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# define call_pernode_memory(start, len, func)	(*func)(start, len, 0)
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#endif
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#define IGNORE_PFN0	1	/* XXX fix me: ignore pfn 0 until TLB miss handler is updated... */
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extern int register_active_ranges(u64 start, u64 len, int nid);
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#ifdef CONFIG_VIRTUAL_MEM_MAP
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# define LARGE_GAP	0x40000000 /* Use virtual mem map if hole is > than this */
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  extern unsigned long vmalloc_end;
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  extern struct page *vmem_map;
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  extern int find_largest_hole (u64 start, u64 end, void *arg);
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  extern int create_mem_map_page_table (u64 start, u64 end, void *arg);
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  extern int vmemmap_find_next_valid_pfn(int, int);
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#else
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static inline int vmemmap_find_next_valid_pfn(int node, int i)
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{
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	return i + 1;
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}
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#endif
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#endif /* meminit_h */
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