Generalization of constraints on page allocation and implementation/use

[palacios.git] / linux_module / buddy.h

diff --git a/linux_module/buddy.h b/linux_module/buddy.h
index e0ef86d..163c5a8 100644 (file)
--- a/linux_module/buddy.h
+++ b/linux_module/buddy.h
@@ -92,14 +92,13 @@ buddy_remove_pool(struct buddy_memzone * zone,
                  void          **user_metadata);
 
 
-// constraint=0 => no constraints, otherwise bitmask of:
-#define LWK_BUDDY_CONSTRAINT_4GB 0x1
 
 /* Allocate pages, returns physical address */
 extern uintptr_t 
 buddy_alloc(struct buddy_memzone * zone,
            unsigned long order,
-           int constraints);
+           int (*filter_func)(void *paddr, void *filter_state),
+           void *filter_state);
 
 
 /* Free a physical address */