diff options
Diffstat (limited to 'erts/emulator/sys/common')
| -rw-r--r-- | erts/emulator/sys/common/erl_mseg.c | 27 | ||||
| -rw-r--r-- | erts/emulator/sys/common/erl_mseg.h | 3 |
2 files changed, 16 insertions, 14 deletions
diff --git a/erts/emulator/sys/common/erl_mseg.c b/erts/emulator/sys/common/erl_mseg.c index 58ee6600d2..ae6a377abf 100644 --- a/erts/emulator/sys/common/erl_mseg.c +++ b/erts/emulator/sys/common/erl_mseg.c @@ -57,6 +57,19 @@ /* Implement some other way to get the real page size if needed! */ #endif +#undef MIN +#define MIN(X, Y) ((X) < (Y) ? (X) : (Y)) +#undef MAX +#define MAX(X, Y) ((X) > (Y) ? (X) : (Y)) + +#define ALIGN_BITS MSEG_ALIGN_BITS +#define ALIGNED_SIZE MSEG_ALIGNED_SIZE +#define INV_ALIGNED_MASK ((UWord) ((ALIGNED_SIZE) - 1)) +#define ALIGNED_MASK (~INV_ALIGNED_MASK) +#define ALIGNED_FLOOR(X) (((UWord)(X)) & ALIGNED_MASK) +#define ALIGNED_CEILING(X) ALIGNED_FLOOR((X) + INV_ALIGNED_MASK) +#define MAP_IS_ALIGNED(X) (((UWord)(X) & (ALIGNED_SIZE - 1)) == 0) + #define IS_2POW(X) (((X) & ((X) - 1)) == 0) static ERTS_INLINE Uint ceil_2pow(Uint x) { int i = 1 << (4 + (sizeof(Uint) != 4 ? 1 : 0)); @@ -71,25 +84,11 @@ static const int debruijn[32] = { #define LOG2(X) (debruijn[((Uint32)(((X) & -(X)) * 0x077CB531U)) >> 27]) -#define ALIGN_BITS (17) -#define ALIGNED_SIZE (1 << ALIGN_BITS) /* 128kB */ - #define CACHE_AREAS (32 - ALIGN_BITS) #define SIZE_TO_CACHE_AREA_IDX(S) (LOG2((S)) - ALIGN_BITS) #define MAX_CACHE_SIZE (30) -#undef MIN -#define MIN(X, Y) ((X) < (Y) ? (X) : (Y)) -#undef MAX -#define MAX(X, Y) ((X) > (Y) ? (X) : (Y)) - -#define INV_ALIGNED_MASK ((UWord) ((ALIGNED_SIZE) - 1)) -#define ALIGNED_MASK (~INV_ALIGNED_MASK) -#define ALIGNED_FLOOR(X) (((UWord)(X)) & ALIGNED_MASK) -#define ALIGNED_CEILING(X) ALIGNED_FLOOR((X) + INV_ALIGNED_MASK) -#define MAP_IS_ALIGNED(X) (((UWord)(X) & (ALIGNED_SIZE - 1)) == 0) - #define MSEG_FLG_IS_2POW(X) ((X) & ERTS_MSEG_FLG_2POW) #ifdef DEBUG diff --git a/erts/emulator/sys/common/erl_mseg.h b/erts/emulator/sys/common/erl_mseg.h index 460e4a514a..91e335b225 100644 --- a/erts/emulator/sys/common/erl_mseg.h +++ b/erts/emulator/sys/common/erl_mseg.h @@ -33,13 +33,16 @@ #if HAVE_MMAP # define HAVE_ERTS_MSEG 1 # define HAVE_SUPER_ALIGNED_MB_CARRIERS 1 +# define MSEG_ALIGN_BITS (17) /*SVERK Configure me! */ #else # define HAVE_ERTS_MSEG 0 # define HAVE_SUPER_ALIGNED_MB_CARRIERS 0 +# define MSEG_ALIGN_BITS (12) /*SVERK Configure me! */ #endif #if HAVE_ERTS_MSEG +#define MSEG_ALIGNED_SIZE (1 << MSEG_ALIGN_BITS) #define ERTS_MSEG_FLG_NONE ((Uint)(0)) #define ERTS_MSEG_FLG_2POW ((Uint)(1 << 0)) |