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| author | Leah Neukirchen <leah@vuxu.org> | 2018-02-09 22:21:46 +0100 |
|---|---|---|
| committer | Leah Neukirchen <leah@vuxu.org> | 2018-02-09 22:21:46 +0100 |
| commit | c725c69d77fba9466cada018db8673136c6868e9 (patch) | |
| tree | 1b6fe2900d547d3dbb419affba6b17df19541d14 | |
| parent | 3217fffd0948de9cdf96fb1bcdfb7419baee8620 (diff) | |
include/linux/log2.h: define PAGE_SHIFT when needed
| -rw-r--r-- | include/linux/log2.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/log2.h b/include/linux/log2.h index 1f977d60..96f62458 100644 --- a/include/linux/log2.h +++ b/include/linux/log2.h @@ -12,7 +12,13 @@ #ifndef _TOOLS_LINUX_LOG2_H #define _TOOLS_LINUX_LOG2_H +#include <limits.h> +#ifndef PAGE_SHIFT +#define PAGE_SHIFT ilog2(PAGE_SIZE) +#endif + #include <linux/bitops.h> +#include <linux/compiler.h> /* * deal with unrepresentable constant logarithms |