Module Name: src
Committed By: riastradh
Date: Sun Dec 19 01:18:45 UTC 2021
Modified Files:
src/sys/external/bsd/drm2/include/asm: page.h
Log Message:
get_order
To generate a diff of this commit:
cvs rdiff -u -r1.2 -r1.3 src/sys/external/bsd/drm2/include/asm/page.h
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/external/bsd/drm2/include/asm/page.h
diff -u src/sys/external/bsd/drm2/include/asm/page.h:1.2 src/sys/external/bsd/drm2/include/asm/page.h:1.3
--- src/sys/external/bsd/drm2/include/asm/page.h:1.2 Wed Jul 16 20:59:58 2014
+++ src/sys/external/bsd/drm2/include/asm/page.h Sun Dec 19 01:18:45 2021
@@ -1,4 +1,4 @@
-/* $NetBSD: page.h,v 1.2 2014/07/16 20:59:58 riastradh Exp $ */
+/* $NetBSD: page.h,v 1.3 2021/12/19 01:18:45 riastradh Exp $ */
/*-
* Copyright (c) 2014 The NetBSD Foundation, Inc.
@@ -32,6 +32,7 @@
#ifndef _ASM_PAGE_H_
#define _ASM_PAGE_H_
+#include <sys/bitops.h>
#include <sys/bus.h>
#include <uvm/uvm_page.h>
@@ -56,4 +57,10 @@ page_to_pfn(struct page *page)
return (page_to_phys(page) >> PAGE_SHIFT);
}
+static inline size_t
+get_order(size_t n)
+{
+ return fls64((n - 1) >> PAGE_SHIFT);
+}
+
#endif /* _ASM_PAGE_H_ */
