mm: kill global variable num_physpages
Now all references to num_physpages have been removed, so kill it. Signed-off-by: Jiang Liu <jiang.liu@huawei.com> Cc: Mel Gorman <mgorman@suse.de> Cc: Michel Lespinasse <walken@google.com> Cc: Rik van Riel <riel@redhat.com> Cc: Jiang Liu <jiang.liu@huawei.com> Cc: Hugh Dickins <hughd@google.com> Cc: David Rientjes <rientjes@google.com> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: Konstantin Khlebnikov <khlebnikov@openvz.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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@ -29,7 +29,6 @@ struct writeback_control;
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extern unsigned long max_mapnr;
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#endif
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extern unsigned long num_physpages;
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extern unsigned long totalram_pages;
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extern void * high_memory;
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extern int page_cluster;
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@ -82,7 +82,6 @@ EXPORT_SYMBOL(max_mapnr);
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EXPORT_SYMBOL(mem_map);
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#endif
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unsigned long num_physpages;
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/*
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* A number of key systems in x86 including ioremap() rely on the assumption
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* that high_memory defines the upper bound on direct map memory, then end
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@ -92,7 +91,6 @@ unsigned long num_physpages;
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*/
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void * high_memory;
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EXPORT_SYMBOL(num_physpages);
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EXPORT_SYMBOL(high_memory);
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/*
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@ -56,7 +56,6 @@
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void *high_memory;
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struct page *mem_map;
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unsigned long max_mapnr;
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unsigned long num_physpages;
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unsigned long highest_memmap_pfn;
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struct percpu_counter vm_committed_as;
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int sysctl_overcommit_memory = OVERCOMMIT_GUESS; /* heuristic overcommit */
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@ -85,7 +84,6 @@ unsigned long vm_memory_committed(void)
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EXPORT_SYMBOL_GPL(vm_memory_committed);
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EXPORT_SYMBOL(mem_map);
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EXPORT_SYMBOL(num_physpages);
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/* list of mapped, potentially shareable regions */
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static struct kmem_cache *vm_region_jar;
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