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authorFredrik Gustafsson <[email protected]>2013-09-30 17:03:15 +0200
committerFredrik Gustafsson <[email protected]>2013-09-30 17:03:15 +0200
commit036727ce61cfbd51ece3d20a07d33c10c035ecec (patch)
tree783765a9157270e59469e33755f0c31564c52f90 /erts/emulator/beam/erl_alloc_util.h
parent157c52840b3a83da5f753d932acae3480bf4bfd2 (diff)
parente0ecc86e35475b434efa6cccba44074ca1040b7a (diff)
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Merge branch 'maint'
Diffstat (limited to 'erts/emulator/beam/erl_alloc_util.h')
-rw-r--r--erts/emulator/beam/erl_alloc_util.h43
1 files changed, 26 insertions, 17 deletions
diff --git a/erts/emulator/beam/erl_alloc_util.h b/erts/emulator/beam/erl_alloc_util.h
index 02cbe5c5d0..70ecf28172 100644
--- a/erts/emulator/beam/erl_alloc_util.h
+++ b/erts/emulator/beam/erl_alloc_util.h
@@ -75,7 +75,7 @@ typedef struct {
#define ERTS_DEFAULT_ALCU_INIT { \
1024*1024, /* (bytes) ycs: sys_alloc carrier size */\
- 1024 /* (amount) mmc: max mseg carriers */\
+ ~((UWord) 0) /* (amount) mmc: max mseg carriers */ \
}
#define ERTS_DEFAULT_ALLCTR_INIT { \
@@ -95,7 +95,7 @@ typedef struct {
50, /* (%) rmbcmt: rel mbc move threshold */\
1024*1024, /* (bytes) mmbcs: main multiblock carrier size */\
256, /* (amount) mmsbc: max mseg sbcs */\
- 10, /* (amount) mmmbc: max mseg mbcs */\
+ ~((UWord) 0), /* (amount) mmmbc: max mseg mbcs */ \
10*1024*1024, /* (bytes) lmbcs: largest mbc size */\
1024*1024, /* (bytes) smbcs: smallest mbc size */\
10, /* (amount) mbcgs: mbc growth stages */\
@@ -128,7 +128,7 @@ typedef struct {
80, /* (%) rsbcmt: rel sbc move threshold */\
128*1024, /* (bytes) mmbcs: main multiblock carrier size */\
256, /* (amount) mmsbc: max mseg sbcs */\
- 10, /* (amount) mmmbc: max mseg mbcs */\
+ ~((UWord) 0), /* (amount) mmmbc: max mseg mbcs */ \
1024*1024, /* (bytes) lmbcs: largest mbc size */\
128*1024, /* (bytes) smbcs: smallest mbc size */\
10, /* (amount) mbcgs: mbc growth stages */\
@@ -217,25 +217,34 @@ erts_aint32_t erts_alcu_fix_alloc_shrink(Allctr_t *, erts_aint32_t);
#define MBC_FBLK_SZ_MASK UNIT_MASK
#define CARRIER_SZ_MASK UNIT_MASK
-#if HAVE_ERTS_MSEG
-
-# define MSEG_UNIT_SHIFT MSEG_ALIGN_BITS
-# define MSEG_UNIT_SZ (1 << MSEG_UNIT_SHIFT)
-# define MSEG_UNIT_MASK ((~(UWord)0) << MSEG_UNIT_SHIFT)
-
-# define MSEG_UNIT_FLOOR(X) ((X) & MSEG_UNIT_MASK)
-# define MSEG_UNIT_CEILING(X) MSEG_UNIT_FLOOR((X) + ~MSEG_UNIT_MASK)
-
+#if ERTS_HAVE_MSEG_SUPER_ALIGNED \
+ || (!HAVE_ERTS_MSEG && ERTS_HAVE_ERTS_SYS_ALIGNED_ALLOC)
+# ifndef MSEG_ALIGN_BITS
+# define ERTS_SUPER_ALIGN_BITS MSEG_ALIGN_BITS
+# else
+# define ERTS_SUPER_ALIGN_BITS 18
+# endif
# ifdef ARCH_64
# define MBC_ABLK_OFFSET_BITS 24
-# elif HAVE_SUPER_ALIGNED_MB_CARRIERS
+# else
# define MBC_ABLK_OFFSET_BITS 9
/* Affects hard limits for sbct and lmbcs documented in erts_alloc.xml */
# endif
-#endif
-#ifndef MBC_ABLK_OFFSET_BITS
+# define ERTS_SACRR_UNIT_SHIFT ERTS_SUPER_ALIGN_BITS
+# define ERTS_SACRR_UNIT_SZ (1 << ERTS_SACRR_UNIT_SHIFT)
+# define ERTS_SACRR_UNIT_MASK ((~(UWord)0) << ERTS_SACRR_UNIT_SHIFT)
+# define ERTS_SACRR_UNIT_FLOOR(X) ((X) & ERTS_SACRR_UNIT_MASK)
+# define ERTS_SACRR_UNIT_CEILING(X) ERTS_SACRR_UNIT_FLOOR((X) + ~ERTS_SACRR_UNIT_MASK)
+# define ERTS_SA_MB_CARRIERS 1
+#else
+# define ERTS_SA_MB_CARRIERS 0
# define MBC_ABLK_OFFSET_BITS 0 /* no carrier offset in block header */
#endif
+#if ERTS_HAVE_MSEG_SUPER_ALIGNED && !ERTS_HAVE_ERTS_SYS_ALIGNED_ALLOC
+# define ERTS_SUPER_ALIGNED_MSEG_ONLY 1
+#else
+# define ERTS_SUPER_ALIGNED_MSEG_ONLY 0
+#endif
#if MBC_ABLK_OFFSET_BITS
# define MBC_ABLK_OFFSET_SHIFT (sizeof(UWord)*8 - MBC_ABLK_OFFSET_BITS)
@@ -327,8 +336,8 @@ typedef struct {
(B)->u.carrier)
# define ABLK_TO_MBC(B) \
(ASSERT(IS_MBC_BLK(B) && !IS_FREE_BLK(B)), \
- (Carrier_t*)((MSEG_UNIT_FLOOR((UWord)(B)) - \
- (((B)->bhdr >> MBC_ABLK_OFFSET_SHIFT) << MSEG_UNIT_SHIFT))))
+ (Carrier_t*)((ERTS_SACRR_UNIT_FLOOR((UWord)(B)) - \
+ (((B)->bhdr >> MBC_ABLK_OFFSET_SHIFT) << ERTS_SACRR_UNIT_SHIFT))))
# define BLK_TO_MBC(B) (IS_FREE_BLK(B) ? FBLK_TO_MBC(B) : ABLK_TO_MBC(B))
#else
# define FBLK_TO_MBC(B) ((B)->carrier)