auto import from //depot/cupcake/@135843
diff --git a/libc/kernel/arch-x86/asm/e820.h b/libc/kernel/arch-x86/asm/e820.h
new file mode 100644
index 0000000..8a88ff0
--- /dev/null
+++ b/libc/kernel/arch-x86/asm/e820.h
@@ -0,0 +1,36 @@
+/****************************************************************************
+ ****************************************************************************
+ ***
+ *** 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 __ASM_E820_H
+#define __ASM_E820_H
+#define E820MAP 0x2d0
+#define E820MAX 128
+#define E820NR 0x1e8
+
+#define E820_RAM 1
+#define E820_RESERVED 2
+#define E820_ACPI 3
+#define E820_NVS 4
+
+#ifndef __ASSEMBLY__
+struct e820entry {
+ __u64 addr;
+ __u64 size;
+ __u32 type;
+} __attribute__((packed));
+
+struct e820map {
+ __u32 nr_map;
+ struct e820entry map[E820MAX];
+};
+#endif
+
+#endif