auto import from //depot/cupcake/@135843
diff --git a/libc/kernel/common/linux/swap.h b/libc/kernel/common/linux/swap.h
new file mode 100644
index 0000000..63ba556
--- /dev/null
+++ b/libc/kernel/common/linux/swap.h
@@ -0,0 +1,39 @@
+/****************************************************************************
+ ****************************************************************************
+ ***
+ *** This header was automatically generated from a Linux kernel header
+ *** of the same name, to make information necessary for userspace to
+ *** call into the kernel available to libc. It contains only constants,
+ *** structures, and macros generated from the original header, and thus,
+ *** contains no copyrightable information.
+ ***
+ ****************************************************************************
+ ****************************************************************************/
+#ifndef _LINUX_SWAP_H
+#define _LINUX_SWAP_H
+
+#include <linux/spinlock.h>
+#include <linux/linkage.h>
+#include <linux/mmzone.h>
+#include <linux/list.h>
+#include <linux/sched.h>
+
+#include <asm/atomic.h>
+#include <asm/page.h>
+
+#define SWAP_FLAG_PREFER 0x8000
+#define SWAP_FLAG_PRIO_MASK 0x7fff
+#define SWAP_FLAG_PRIO_SHIFT 0
+
+#define MAX_SWAPFILES_SHIFT 5
+#define MAX_SWAPFILES (1 << MAX_SWAPFILES_SHIFT)
+
+typedef struct {
+ unsigned long val;
+} swp_entry_t;
+
+struct reclaim_state {
+ unsigned long reclaimed_slab;
+};
+
+#endif