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-rw-r--r--include/linux/suspend.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/suspend.h b/include/linux/suspend.h
index ba448c76016..380915e9563 100644
--- a/include/linux/suspend.h
+++ b/include/linux/suspend.h
@@ -74,4 +74,10 @@ void __restore_processor_state(struct saved_context *ctxt);
extern unsigned long get_usable_page(gfp_t gfp_mask);
extern void free_eaten_memory(void);
+/*
+ * XXX: We try to keep some more pages free so that I/O operations succeed
+ * without paging. Might this be more?
+ */
+#define PAGES_FOR_IO 512
+
#endif /* _LINUX_SWSUSP_H */