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[PATCH] Fix for CONFIG_NUMA without CONFIG_SWAP 

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.  However, calls to
migration functions will fail.

Signed-off-by: Christoph Lameter <clameter@sgi.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Christoph Lameter 2006-01-14 13:20:46 -08:00 committed by Linus Torvalds
parent eed6565f70
commit 852cf918dc
1 changed files with 5 additions and 0 deletions
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5
include/linux/swap.h
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@ -180,6 +180,11 @@ extern int isolate_lru_page(struct page *p);
extern int putback_lru_pages(struct list_head *l); extern int putback_lru_pages(struct list_head *l);
extern int migrate_pages(struct list_head *l, struct list_head *t, extern int migrate_pages(struct list_head *l, struct list_head *t,
struct list_head *moved, struct list_head *failed); 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 #endif
#ifdef CONFIG_MMU #ifdef CONFIG_MMU