From 37f85e66e8f396b6f758e063531b95531aef628e Mon Sep 17 00:00:00 2001 From: cee1 Date: Fri, 18 Mar 2011 10:03:41 +0800 Subject: 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. --- src/macro.h | 11 +++-------- 1 file changed, 3 insertions(+), 8 deletions(-) (limited to 'src/macro.h') 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 #include -#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])) -- cgit v1.2.3