Merge branch 'maint-r16' into maint

Conflicts:
	erts/vsn.mk

1 files changed, 62 insertions, 43 deletions

diff --git a/erts/emulator/beam/erl_alloc_util.c b/erts/emulator/beam/erl_alloc_util.c
index e6d9f83aed..825b68bb85 100644
--- a/erts/emulator/beam/erl_alloc_util.c
+++ b/erts/emulator/beam/erl_alloc_util.c
@@ -81,7 +81,6 @@
 static int atoms_initialized = 0;
 static int initialized = 0;
 
-
 #define INV_SYS_ALLOC_CARRIER_MASK	((UWord) (sys_alloc_carrier_size - 1))
 #define SYS_ALLOC_CARRIER_MASK		(~INV_SYS_ALLOC_CARRIER_MASK)
 #define SYS_ALLOC_CARRIER_FLOOR(X)	((X) & SYS_ALLOC_CARRIER_MASK)
@@ -194,9 +193,9 @@ MBC after deallocating first block:
 
 #if MBC_ABLK_OFFSET_BITS
 
-#  define MBC_SZ_MAX_LIMIT ((((UWord)1 << MBC_ABLK_OFFSET_BITS) - 1) << MSEG_ALIGN_BITS)
+#  define MBC_SZ_MAX_LIMIT ((((UWord)1 << MBC_ABLK_OFFSET_BITS) - 1) << ERTS_SUPER_ALIGN_BITS)
 
-#  define BLK_CARRIER_OFFSET(B, C) (((char*)(B) - (char*)(C)) >> MSEG_UNIT_SHIFT)
+#  define BLK_CARRIER_OFFSET(B, C) (((char*)(B) - (char*)(C)) >> ERTS_SACRR_UNIT_SHIFT)
 
 #  define SET_MBC_ABLK_HDR(B, Sz, F, C) \
     (ASSERT(((Sz) & ~MBC_ABLK_SZ_MASK) == 0), \
@@ -210,7 +209,7 @@ MBC after deallocating first block:
      (B)->u.carrier = (C))
       
 #  define IS_MBC_FIRST_ABLK(AP,B) \
-  ((((UWord)(B) & ~MSEG_UNIT_MASK) == MBC_HEADER_SIZE(AP)) \
+  ((((UWord)(B) & ~ERTS_SACRR_UNIT_MASK) == MBC_HEADER_SIZE(AP)) \
    && ((B)->bhdr & MBC_ABLK_OFFSET_MASK) == 0)
 
 #  define IS_MBC_FIRST_FBLK(AP,B) \
@@ -787,11 +786,15 @@ alcu_mseg_dealloc(Allctr_t *allctr, void *seg, Uint size, Uint flags)
 #endif
 
 static ERTS_INLINE void *
-alcu_sys_alloc(Allctr_t *allctr, Uint size)
+alcu_sys_alloc(Allctr_t *allctr, Uint size, int superalign)
 {
     void *res;
-
-    res = erts_sys_alloc(0, NULL, size);
+#if ERTS_SA_MB_CARRIERS && ERTS_HAVE_ERTS_SYS_ALIGNED_ALLOC
+    if (superalign)
+	res = erts_sys_aligned_alloc(ERTS_SACRR_UNIT_SZ, size);
+    else
+#endif
+	res = erts_sys_alloc(0, NULL, size);
     INC_CC(allctr->calls.sys_alloc);
     if (erts_mtrace_enabled)
 	erts_mtrace_crr_alloc(res, allctr->alloc_no, ERTS_ALC_A_SYSTEM, size);
@@ -799,11 +802,16 @@ alcu_sys_alloc(Allctr_t *allctr, Uint size)
 }
 
 static ERTS_INLINE void *
-alcu_sys_realloc(Allctr_t *allctr, void *ptr, Uint size)
+alcu_sys_realloc(Allctr_t *allctr, void *ptr, Uint size, Uint old_size, int superalign)
 {
     void *res;
 
-    res = erts_sys_realloc(0, NULL, ptr, size);
+#if ERTS_SA_MB_CARRIERS && ERTS_HAVE_ERTS_SYS_ALIGNED_ALLOC
+    if (superalign)
+	res = erts_sys_aligned_realloc(ERTS_SACRR_UNIT_SZ, ptr, size, old_size);
+    else
+#endif
+	res = erts_sys_realloc(0, NULL, ptr, size);
     INC_CC(allctr->calls.sys_realloc);
     if (erts_mtrace_enabled)
 	erts_mtrace_crr_realloc(res,
@@ -815,9 +823,14 @@ alcu_sys_realloc(Allctr_t *allctr, void *ptr, Uint size)
 }
 
 static ERTS_INLINE void
-alcu_sys_free(Allctr_t *allctr, void *ptr)
+alcu_sys_free(Allctr_t *allctr, void *ptr, int superalign)
 {
-    erts_sys_free(0, NULL, ptr);
+#if ERTS_SA_MB_CARRIERS && ERTS_HAVE_ERTS_SYS_ALIGNED_ALLOC
+    if (superalign)
+	erts_sys_aligned_free(ERTS_SACRR_UNIT_SZ, ptr);
+    else
+#endif
+	erts_sys_free(0, NULL, ptr);
     INC_CC(allctr->calls.sys_free);
     if (erts_mtrace_enabled)
 	erts_mtrace_crr_free(allctr->alloc_no, ERTS_ALC_A_SYSTEM, ptr);
@@ -1334,7 +1347,7 @@ erts_alcu_fix_alloc_shrink(Allctr_t *allctr, erts_aint32_t flgs)
 	return fix_nocpool_alloc_shrink(allctr, flgs);
 }
 
-static void dealloc_carrier(Allctr_t *allctr, Carrier_t *crr, Uint mseg_flags);
+static void dealloc_carrier(Allctr_t *allctr, Carrier_t *crr, int superaligned);
 
 #ifdef ERTS_SMP
 
@@ -1942,7 +1955,7 @@ mbc_alloc_block(Allctr_t *allctr, Uint size, Uint *blk_szp)
 
     if (!blk) {
 	blk = create_carrier(allctr, get_blk_sz, CFLG_MBC);
-#if !HALFWORD_HEAP && !HAVE_SUPER_ALIGNED_MB_CARRIERS
+#if !HALFWORD_HEAP && !ERTS_SUPER_ALIGNED_MSEG_ONLY
 	if (!blk) {
 	    /* Emergency! We couldn't create the carrier as we wanted.
 	       Try to place it in a sys_alloced sbc. */
@@ -2978,7 +2991,7 @@ check_pending_dealloc_carrier(Allctr_t *allctr,
 
 	    dcrr = crr;
 	    crr = crr->next;
-	    dealloc_carrier(allctr, dcrr, ERTS_MSEG_FLG_2POW);
+	    dealloc_carrier(allctr, dcrr, 1);
 	    i++;
 	} while (crr && i < ERTS_ALC_MAX_DEALLOC_CARRIER);
 
@@ -3013,7 +3026,7 @@ schedule_dealloc_carrier(Allctr_t *allctr, Carrier_t *crr)
     erts_aint_t max_size;
 
     if (!ERTS_ALC_IS_CPOOL_ENABLED(allctr)) {
-	dealloc_carrier(allctr, crr, ERTS_MSEG_FLG_2POW);
+	dealloc_carrier(allctr, crr, 1);
 	return;
     }
 
@@ -3053,7 +3066,7 @@ schedule_dealloc_carrier(Allctr_t *allctr, Carrier_t *crr)
 
     if (crr->cpool.thr_prgr == ERTS_THR_PRGR_INVALID
 	|| erts_thr_progress_has_reached(crr->cpool.thr_prgr)) {
-	dealloc_carrier(allctr, crr, ERTS_MSEG_FLG_2POW);
+	dealloc_carrier(allctr, crr, 1);
 	return;
     }
 
@@ -3188,10 +3201,10 @@ cpool_read_stat(Allctr_t *allctr, UWord *nocp, UWord *cszp, UWord *nobp, UWord *
 
 #ifdef DEBUG
 
-#if HAVE_ERTS_MSEG
-#define ASSERT_MSEG_UNIT_SIZE_MULTIPLE(CSZ) ASSERT((CSZ) % MSEG_UNIT_SZ == 0)
+#if ERTS_SA_MB_CARRIERS
+#define ASSERT_ERTS_SACRR_UNIT_SIZE_MULTIPLE(CSZ) ASSERT((CSZ) % ERTS_SACRR_UNIT_SZ == 0)
 #else
-#define ASSERT_MSEG_UNIT_SIZE_MULTIPLE(CSZ)
+#define ASSERT_ERTS_SACRR_UNIT_SIZE_MULTIPLE(CSZ)
 #endif
 
 static void CHECK_1BLK_CARRIER(Allctr_t* A, int SBC, int MSEGED, Carrier_t* C,
@@ -3216,7 +3229,7 @@ static void CHECK_1BLK_CARRIER(Allctr_t* A, int SBC, int MSEGED, Carrier_t* C,
     }
     if ((MSEGED)) {
 	ASSERT(IS_MSEG_CARRIER((C)));
-	ASSERT_MSEG_UNIT_SIZE_MULTIPLE((CSZ));
+	ASSERT_ERTS_SACRR_UNIT_SIZE_MULTIPLE((CSZ));
     }
     else {
 	ASSERT(IS_SYS_ALLOC_CARRIER((C)));
@@ -3244,7 +3257,7 @@ create_carrier(Allctr_t *allctr, Uint umem_sz, UWord flags)
 
 #if HALFWORD_HEAP
     flags |= CFLG_FORCE_MSEG;
-#elif HAVE_SUPER_ALIGNED_MB_CARRIERS
+#elif ERTS_SUPER_ALIGNED_MSEG_ONLY
     if (flags & CFLG_MBC) {
 	flags |= CFLG_FORCE_MSEG;
     }
@@ -3287,7 +3300,7 @@ create_carrier(Allctr_t *allctr, Uint umem_sz, UWord flags)
 	if (allctr->sbcs.curr.norm.mseg.no >= allctr->max_mseg_sbcs)
 	    goto try_sys_alloc;
     }
-#if !HAVE_SUPER_ALIGNED_MB_CARRIERS
+#if !ERTS_SUPER_ALIGNED_MSEG_ONLY
     else {
 	if (allctr->mbcs.curr.norm.mseg.no >= allctr->max_mseg_mbcs)
 	    goto try_sys_alloc;
@@ -3350,12 +3363,12 @@ create_carrier(Allctr_t *allctr, Uint umem_sz, UWord flags)
 	      ? UNIT_CEILING(bcrr_sz)
 	      : SYS_ALLOC_CARRIER_CEILING(bcrr_sz));
 
-    crr = (Carrier_t *) alcu_sys_alloc(allctr, crr_sz);
+    crr = (Carrier_t *) alcu_sys_alloc(allctr, crr_sz, flags & CFLG_MBC);
 	
     if (!crr) {
 	if (crr_sz > UNIT_CEILING(bcrr_sz)) {
 	    crr_sz = UNIT_CEILING(bcrr_sz);
-	    crr = (Carrier_t *) alcu_sys_alloc(allctr, crr_sz);
+	    crr = (Carrier_t *) alcu_sys_alloc(allctr, crr_sz, flags & CFLG_MBC);
 	}
 	if (!crr) {
 #if HAVE_ERTS_MSEG
@@ -3453,7 +3466,7 @@ resize_carrier(Allctr_t *allctr, Block_t *old_blk, Uint umem_sz, UWord flags)
 	if (!(flags & CFLG_FORCE_SYS_ALLOC)) {
 
 	    new_crr_sz = new_blk_sz + SBC_HEADER_SIZE;
-	    new_crr_sz = MSEG_UNIT_CEILING(new_crr_sz);
+	    new_crr_sz = ERTS_SACRR_UNIT_CEILING(new_crr_sz);
 	    new_crr = (Carrier_t *) alcu_mseg_realloc(allctr,
 						      old_crr,
 						      old_crr_sz,
@@ -3503,7 +3516,9 @@ resize_carrier(Allctr_t *allctr, Block_t *old_blk, Uint umem_sz, UWord flags)
 
 	    new_crr = (Carrier_t *) alcu_sys_realloc(allctr,
 						     (void *) old_crr,
-						     new_crr_sz);
+						     new_crr_sz,
+						     old_crr_sz,
+						     0);
 	    if (new_crr) {
 	    sys_realloc_success:
 		SET_CARRIER_SZ(new_crr, new_crr_sz);
@@ -3522,7 +3537,9 @@ resize_carrier(Allctr_t *allctr, Block_t *old_blk, Uint umem_sz, UWord flags)
 		new_crr_sz = UNIT_CEILING(new_crr_sz);
 		new_crr = (Carrier_t *) alcu_sys_realloc(allctr,
 							 (void *) old_crr,
-							 new_crr_sz);
+							 new_crr_sz,
+							 old_crr_sz,
+							 0);
 		if (new_crr)
 		    goto sys_realloc_success;
 	    }
@@ -3541,7 +3558,7 @@ resize_carrier(Allctr_t *allctr, Block_t *old_blk, Uint umem_sz, UWord flags)
 		       (void *) BLK2UMEM(old_blk),
 		       MIN(new_blk_sz, old_blk_sz) - ABLK_HDR_SZ);
 	    unlink_carrier(&allctr->sbc_list, old_crr);
-	    alcu_sys_free(allctr, old_crr);
+	    alcu_sys_free(allctr, old_crr, 0);
 	}
 	else {
 	    /* Old carrier unchanged; restore... */
@@ -3554,14 +3571,17 @@ resize_carrier(Allctr_t *allctr, Block_t *old_blk, Uint umem_sz, UWord flags)
 }
 
 static void
-dealloc_carrier(Allctr_t *allctr, Carrier_t *crr, Uint mseg_flags)
+dealloc_carrier(Allctr_t *allctr, Carrier_t *crr, int superaligned)
 {
 #if HAVE_ERTS_MSEG
     if (IS_MSEG_CARRIER(crr))
-	alcu_mseg_dealloc(allctr, crr, CARRIER_SZ(crr), mseg_flags);
+	alcu_mseg_dealloc(allctr, crr, CARRIER_SZ(crr),
+			  (superaligned
+			   ? ERTS_MSEG_FLG_2POW
+			   : ERTS_MSEG_FLG_NONE));
     else
 #endif
-	alcu_sys_free(allctr, crr);
+	alcu_sys_free(allctr, crr, superaligned);
 }
 
 static void
@@ -3581,7 +3601,7 @@ destroy_carrier(Allctr_t *allctr, Block_t *blk, Carrier_t **busy_pcrr_pp)
 
 #if HAVE_ERTS_MSEG
 	if (IS_MSEG_CARRIER(crr)) {
-	    ASSERT(crr_sz % MSEG_UNIT_SZ == 0);
+	    ASSERT(crr_sz % ERTS_SACRR_UNIT_SZ == 0);
 	    STAT_MSEG_SBC_FREE(allctr, crr_sz, blk_sz);
 	}
 	else
@@ -3590,7 +3610,7 @@ destroy_carrier(Allctr_t *allctr, Block_t *blk, Carrier_t **busy_pcrr_pp)
 
 	unlink_carrier(&allctr->sbc_list, crr);
 
-	dealloc_carrier(allctr, crr, ERTS_MSEG_FLG_NONE);
+	dealloc_carrier(allctr, crr, 0);
     }
     else {
 	ASSERT(IS_MBC_FIRST_FBLK(allctr, blk));
@@ -3624,7 +3644,7 @@ destroy_carrier(Allctr_t *allctr, Block_t *blk, Carrier_t **busy_pcrr_pp)
 	    unlink_carrier(&allctr->mbc_list, crr);
 #if HAVE_ERTS_MSEG
 	    if (IS_MSEG_CARRIER(crr)) {
-		ASSERT(crr_sz % MSEG_UNIT_SZ == 0);
+		ASSERT(crr_sz % ERTS_SACRR_UNIT_SZ == 0);
 		STAT_MSEG_MBC_FREE(allctr, crr_sz);
 	    }
 	    else
@@ -3635,10 +3655,9 @@ destroy_carrier(Allctr_t *allctr, Block_t *blk, Carrier_t **busy_pcrr_pp)
 #ifdef ERTS_SMP
 	schedule_dealloc_carrier(allctr, crr);
 #else
-	dealloc_carrier(allctr, crr, ERTS_MSEG_FLG_2POW);
+	dealloc_carrier(allctr, crr, 1);
 #endif
     }
-
 }
 
 
@@ -5086,7 +5105,7 @@ do_erts_alcu_realloc(ErtsAlcType_t type,
 		crr_sz = SYS_ALLOC_CARRIER_CEILING(used_sz);
 #if HAVE_ERTS_MSEG
 	    else
-		crr_sz = MSEG_UNIT_CEILING(used_sz);
+		crr_sz = ERTS_SACRR_UNIT_CEILING(used_sz);
 #endif
 	    diff_sz_val = crr_sz - used_sz;
 	    if (diff_sz_val < (~((Uint) 0) / 100))
@@ -5454,7 +5473,7 @@ erts_alcu_start(Allctr_t *allctr, AllctrInit_t *init)
     allctr->mbc_move_threshold		= init->rmbcmt;
 #if HAVE_ERTS_MSEG
     allctr->max_mseg_sbcs		= init->mmsbc;
-# if HAVE_SUPER_ALIGNED_MB_CARRIERS
+# if ERTS_SUPER_ALIGNED_MSEG_ONLY
     allctr->max_mseg_mbcs		= ~(Uint)0;
 # else
     allctr->max_mseg_mbcs		= init->mmmbc;
@@ -5570,7 +5589,7 @@ erts_alcu_start(Allctr_t *allctr, AllctrInit_t *init)
 			     CFLG_MBC
 			     | CFLG_FORCE_SIZE
 			     | CFLG_NO_CPOOL
-#if !HALFWORD_HEAP && !HAVE_SUPER_ALIGNED_MB_CARRIERS
+#if !HALFWORD_HEAP && !ERTS_SUPER_ALIGNED_MSEG_ONLY
 			     | CFLG_FORCE_SYS_ALLOC
 #endif
 			     | CFLG_MAIN_CARRIER);
@@ -5656,9 +5675,9 @@ erts_alcu_init(AlcUInit_t *init)
 #endif
     ASSERT(SBC_BLK_SZ_MASK == MBC_FBLK_SZ_MASK); /* see BLK_SZ */
 #if HAVE_ERTS_MSEG
-    ASSERT(erts_mseg_unit_size() == MSEG_UNIT_SZ);
+    ASSERT(erts_mseg_unit_size() == ERTS_SACRR_UNIT_SZ);
     max_mseg_carriers = init->mmc;
-    sys_alloc_carrier_size = MSEG_UNIT_CEILING(init->ycs);
+    sys_alloc_carrier_size = ERTS_SACRR_UNIT_CEILING(init->ycs);
 #else /* #if HAVE_ERTS_MSEG */
     sys_alloc_carrier_size = ((init->ycs + 4095) / 4096) * 4096;
 #endif
@@ -5819,7 +5838,7 @@ check_blk_carrier(Allctr_t *allctr, Block_t *iblk)
 	ASSERT(CARRIER_SZ(sbc) - SBC_HEADER_SIZE >= SBC_BLK_SZ(iblk));
 #if HAVE_ERTS_MSEG
 	if (IS_MSEG_CARRIER(sbc)) {
-	    ASSERT(CARRIER_SZ(sbc) % MSEG_UNIT_SZ == 0);
+	    ASSERT(CARRIER_SZ(sbc) % ERTS_SACRR_UNIT_SZ == 0);
 	}
 #endif
 	crr = sbc;
@@ -5904,7 +5923,7 @@ check_blk_carrier(Allctr_t *allctr, Block_t *iblk)
 
 #if HAVE_ERTS_MSEG
 	if (IS_MSEG_CARRIER(crr)) {
-	    ASSERT(CARRIER_SZ(crr) % MSEG_UNIT_SZ == 0);
+	    ASSERT(CARRIER_SZ(crr) % ERTS_SACRR_UNIT_SZ == 0);
 	}
 #endif
 	cl = &allctr->mbc_list;