auto import from //depot/cupcake/@135843

1 files changed, 54 insertions, 0 deletions

diff --git a/libc/kernel/common/linux/cache.h b/libc/kernel/common/linux/cache.h
new file mode 100644
index 0000000..d281855
--- /dev/null
+++ b/libc/kernel/common/linux/cache.h
@@ -0,0 +1,54 @@
+/****************************************************************************
+ ****************************************************************************
+ ***
+ ***   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_CACHE_H
+#define __LINUX_CACHE_H
+
+#include <linux/kernel.h>
+#include <asm/cache.h>
+
+#ifndef L1_CACHE_ALIGN
+#define L1_CACHE_ALIGN(x) ALIGN(x, L1_CACHE_BYTES)
+#endif
+
+#ifndef SMP_CACHE_BYTES
+#define SMP_CACHE_BYTES L1_CACHE_BYTES
+#endif
+
+#ifndef __read_mostly
+#define __read_mostly
+#endif
+
+#ifndef ____cacheline_aligned
+#define ____cacheline_aligned __attribute__((__aligned__(SMP_CACHE_BYTES)))
+#endif
+
+#ifndef ____cacheline_aligned_in_smp
+#define ____cacheline_aligned_in_smp
+#endif
+
+#ifndef __cacheline_aligned
+#define __cacheline_aligned   __attribute__((__aligned__(SMP_CACHE_BYTES),   __section__(".data.cacheline_aligned")))
+#endif
+
+#ifndef __cacheline_aligned_in_smp
+#define __cacheline_aligned_in_smp
+#endif
+
+#ifndef INTERNODE_CACHE_SHIFT
+#define INTERNODE_CACHE_SHIFT L1_CACHE_SHIFT
+#endif
+
+#ifndef ____cacheline_internodealigned_in_smp
+#define ____cacheline_internodealigned_in_smp
+#endif
+
+#endif