On Fri, 13 Jan 2006, Ravikiran G Thirumalai wrote:
> Compile fails when CONFIG_SWAP is not set. Attaching the .config for
> reference.
-- Patch that was sent to Andrew.
Some people apparently run CONFIG_NUMA without CONFIG_SWAP. The migration
code currently depends on swap. This patch provides a set of inline fallback
functions so that the kernel properly compiles. Howeverver, calls to migration
functions will fail.
Signed-off-by: Christoph Lameter <[email protected]>
Index: linux-2.6.15/include/linux/swap.h
===================================================================
--- linux-2.6.15.orig/include/linux/swap.h 2006-01-11 12:49:03.000000000 -0800
+++ linux-2.6.15/include/linux/swap.h 2006-01-13 16:41:19.000000000 -0800
@@ -180,6 +180,11 @@ extern int isolate_lru_page(struct page
extern int putback_lru_pages(struct list_head *l);
extern int migrate_pages(struct list_head *l, struct list_head *t,
struct list_head *moved, struct list_head *failed);
+#else
+static inline int isolate_lru_page(struct page *p) { return -ENOSYS; }
+static inline int putback_lru_pages(struct list_head *l) { return 0; }
+static inline int migrate_pages(struct list_head *l, struct list_head *t,
+ struct list_head *moved, struct list_head *failed) { return -ENOSYS; }
#endif
#ifdef CONFIG_MMU
-
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