[PATCH] Swap Migration V5: Add CONFIG_MIGRATION for page migration support
Include page migration if the system is NUMA or having a memory model that allows distinct areas of memory (SPARSEMEM, DISCONTIGMEM). And: - Only include lru_add_drain_per_cpu if building for an SMP system. Signed-off-by: Christoph Lameter <clameter@sgi.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Linus Torvalds
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49d2e9cc45
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7cbe34cf86
@@ -178,7 +178,9 @@ extern int vm_swappiness;
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extern int isolate_lru_page(struct page *p);
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extern int putback_lru_pages(struct list_head *l);
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#ifdef CONFIG_MIGRATION
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extern int migrate_pages(struct list_head *l, struct list_head *t);
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#endif
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#ifdef CONFIG_MMU
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/* linux/mm/shmem.c */
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