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authorKarolina Drobnik <karolinadrobnik@gmail.com>2022-02-02 12:03:07 +0100
committerMike Rapoport <rppt@linux.ibm.com>2022-02-20 08:44:37 +0200
commita2e3fe5f24f90e2bd98fa8bfabbf55962080b7b4 (patch)
tree2f9760a7ad81100cf4a2a50105632d7da1c4463c /tools/include
parent93f4e871e7e0fd0269e27f5122a70a39d8105924 (diff)
downloadlinux-a2e3fe5f24f90e2bd98fa8bfabbf55962080b7b4.tar.bz2
tools/include: Add pfn.h stub
Add a stubbed pfn header with definitions used in testing. Signed-off-by: Karolina Drobnik <karolinadrobnik@gmail.com> Signed-off-by: Mike Rapoport <rppt@kernel.org> Link: https://lore.kernel.org/r/1bdc02125963f945bf90dd8cb37c404cc0688af2.1643796665.git.karolinadrobnik@gmail.com
Diffstat (limited to 'tools/include')
-rw-r--r--tools/include/linux/pfn.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/tools/include/linux/pfn.h b/tools/include/linux/pfn.h
new file mode 100644
index 000000000000..7512a58189eb
--- /dev/null
+++ b/tools/include/linux/pfn.h
@@ -0,0 +1,10 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _TOOLS_LINUX_PFN_H_
+#define _TOOLS_LINUX_PFN_H_
+
+#include <linux/mm.h>
+
+#define PFN_UP(x) (((x) + PAGE_SIZE - 1) >> PAGE_SHIFT)
+#define PFN_DOWN(x) ((x) >> PAGE_SHIFT)
+#define PFN_PHYS(x) ((phys_addr_t)(x) << PAGE_SHIFT)
+#endif