mm/page: remove the stupid

kernel/mm/page.c

@@ -372,7 +372,7 @@ static __always_inline bool can_merge(vm_page_t page, vm_page_t buddy)
 	/* we know that `page' is not reserved, because we
 	 * check that flag before we even attempt coalition */
 	const unsigned mask = _PGA_RSVD_MASK | _PGA_ZONE_MASK;
-	merge &= (atom_read(&page->attr) & mask) == (atom_read(&page->attr) & mask);
+	merge &= (atom_read(&page->attr) & mask) == (atom_read(&buddy->attr) & mask);
 
 	return merge;
 }
@@ -398,13 +398,13 @@ void free_pages(void *ptr)
 	init_pages(ptr, PAGE_POISON_FREE, order);
 #endif
 
-	int old_count = atom_sub(&page->count, 1);
 	PAGE_DEBUG_BLOCK {
+		int old_count = atom_sub(&page->count, 1);
 		if (old_count != 1) {
 			if (old_count == 0)
-				page_debug("double free of page %p", ptr);
+				page_debug("double free of %p", ptr);
 			else
-				page_debug("attempted to free page %p with references", ptr);
+				page_debug("attempted to free %p with references", ptr);
 			return;
 		}
 	}