diff options
| author | cee1 <fykcee1@gmail.com> | 2011-03-18 10:03:41 +0800 |
|---|---|---|
| committer | Lennart Poettering <lennart@poettering.net> | 2011-03-28 21:42:31 +0200 |
| commit | 37f85e66e8f396b6f758e063531b95531aef628e (patch) | |
| tree | 4c914f49c19d6712b76fc1be5f58929a2aa9d5bc /src/macro.h | |
| parent | f9276855a1d270b6c3f857cdaf2c4b49920c2228 (diff) | |
util: detect page size runtime.
Some architectures support multiple machine types with diffenent
page sizes, and some machine types even support multiple
page sizes themselves.
Diffstat (limited to 'src/macro.h')
| -rw-r--r-- | src/macro.h | 11 |
1 files changed, 3 insertions, 8 deletions
diff --git a/src/macro.h b/src/macro.h index 996b7c2ed..e7a4d2cde 100644 --- a/src/macro.h +++ b/src/macro.h @@ -27,8 +27,6 @@ #include <sys/uio.h> #include <inttypes.h> -#define PAGE_SIZE 4096 - #define _printf_attr_(a,b) __attribute__ ((format (printf, a, b))) #define _sentinel_ __attribute__ ((sentinel)) #define _noreturn_ __attribute__((noreturn)) @@ -51,12 +49,9 @@ #define STRINGIFY(x) XSTRINGIFY(x) /* Rounds up */ -static inline size_t ALIGN(size_t l) { - return ((l + sizeof(void*) - 1) & ~(sizeof(void*) - 1)); -} - -static inline size_t PAGE_ALIGN(size_t l) { - return ((l + PAGE_SIZE - 1) & ~(PAGE_SIZE -1)); +#define ALIGN(l) ALIGN_TO((l), sizeof(void*)) +static inline size_t ALIGN_TO(size_t l, size_t ali) { + return ((l + ali - 1) & ~(ali - 1)); } #define ELEMENTSOF(x) (sizeof(x)/sizeof((x)[0])) |