File 3521-erts-Remove-unused-MIN_MBC_FIRST_FREE_SZ.patch of Package erlang

From 0e45a2f93758b3488ddc03b4a0092d8e418a98ec Mon Sep 17 00:00:00 2001
From: Sverker Eriksson <sverker@erlang.org>
Date: Mon, 19 Apr 2021 11:53:53 +0200
Subject: [PATCH 1/3] erts: Remove unused MIN_MBC_FIRST_FREE_SZ

Don't even know what the original meaning was.
---
 erts/emulator/beam/erl_afit_alloc.c        | 2 --
 erts/emulator/beam/erl_alloc_util.h        | 1 -
 erts/emulator/beam/erl_ao_firstfit_alloc.c | 2 --
 erts/emulator/beam/erl_bestfit_alloc.c     | 2 --
 erts/emulator/beam/erl_goodfit_alloc.c     | 2 --
 erts/emulator/beam/erl_process.h           | 1 -
 6 files changed, 10 deletions(-)

diff --git a/erts/emulator/beam/erl_afit_alloc.c b/erts/emulator/beam/erl_afit_alloc.c
index f07137c883..9065000d9e 100644
--- a/erts/emulator/beam/erl_afit_alloc.c
+++ b/erts/emulator/beam/erl_afit_alloc.c
@@ -46,7 +46,6 @@ struct AFFreeBlock_t_ {
 #define AF_BLK_SZ(B) MBC_FBLK_SZ(&(B)->block_head)
 
 #define MIN_MBC_SZ		(16*1024)
-#define MIN_MBC_FIRST_FREE_SZ	(4*1024)
 
 /* Prototypes of callback functions */
 static Block_t *	get_free_block		(Allctr_t *, Uint, Block_t *, Uint);
@@ -86,7 +85,6 @@ erts_afalc_start(AFAllctr_t *afallctr,
 
     allctr->mbc_header_size		= sizeof(Carrier_t);
     allctr->min_mbc_size		= MIN_MBC_SZ;
-    allctr->min_mbc_first_free_size	= MIN_MBC_FIRST_FREE_SZ;
     allctr->min_block_size		= sizeof(AFFreeBlock_t);
     allctr->vsn_str			= ERTS_ALC_AF_ALLOC_VSN_STR;
 
diff --git a/erts/emulator/beam/erl_alloc_util.h b/erts/emulator/beam/erl_alloc_util.h
index 374dc31f43..402c57fa3e 100644
--- a/erts/emulator/beam/erl_alloc_util.h
+++ b/erts/emulator/beam/erl_alloc_util.h
@@ -673,7 +673,6 @@ struct Allctr_t_ {
     /* */
     Uint		mbc_header_size;
     Uint		min_mbc_size;
-    Uint		min_mbc_first_free_size;
     Uint		min_block_size;
     UWord               crr_set_flgs;
     UWord               crr_clr_flgs;
diff --git a/erts/emulator/beam/erl_ao_firstfit_alloc.c b/erts/emulator/beam/erl_ao_firstfit_alloc.c
index e5b2fe41ca..cb3159b762 100644
--- a/erts/emulator/beam/erl_ao_firstfit_alloc.c
+++ b/erts/emulator/beam/erl_ao_firstfit_alloc.c
@@ -61,7 +61,6 @@
 #endif
 
 #define MIN_MBC_SZ		(16*1024)
-#define MIN_MBC_FIRST_FREE_SZ	(4*1024)
 
 #define TREE_NODE_FLG		(((Uint) 1) << 0)
 #define RED_FLG			(((Uint) 1) << 1)
@@ -257,7 +256,6 @@ erts_aoffalc_start(AOFFAllctr_t *alc,
     alc->flavor                         = aoffinit->flavor;
     allctr->mbc_header_size		= sizeof(AOFF_Carrier_t);
     allctr->min_mbc_size		= MIN_MBC_SZ;
-    allctr->min_mbc_first_free_size	= MIN_MBC_FIRST_FREE_SZ;
     allctr->min_block_size = (aoffinit->flavor == AOFF_BF ?
 			      sizeof(AOFF_RBTreeList_t):sizeof(AOFF_RBTree_t));
 
diff --git a/erts/emulator/beam/erl_bestfit_alloc.c b/erts/emulator/beam/erl_bestfit_alloc.c
index 3951113364..79399ec35e 100644
--- a/erts/emulator/beam/erl_bestfit_alloc.c
+++ b/erts/emulator/beam/erl_bestfit_alloc.c
@@ -52,7 +52,6 @@
 #endif
 
 #define MIN_MBC_SZ		(16*1024)
-#define MIN_MBC_FIRST_FREE_SZ	(4*1024)
 
 #define TREE_NODE_FLG		(((Uint) 1) << 0)
 #define RED_FLG			(((Uint) 1) << 1)
@@ -179,7 +178,6 @@ erts_bfalc_start(BFAllctr_t *bfallctr,
 
     allctr->mbc_header_size		= sizeof(Carrier_t);
     allctr->min_mbc_size		= MIN_MBC_SZ;
-    allctr->min_mbc_first_free_size	= MIN_MBC_FIRST_FREE_SZ;
     allctr->min_block_size		= (bfinit->ao
 					   ? sizeof(RBTree_t)
 					   : sizeof(RBTreeList_t));
diff --git a/erts/emulator/beam/erl_goodfit_alloc.c b/erts/emulator/beam/erl_goodfit_alloc.c
index 68b9579433..34706663ad 100644
--- a/erts/emulator/beam/erl_goodfit_alloc.c
+++ b/erts/emulator/beam/erl_goodfit_alloc.c
@@ -47,7 +47,6 @@
 #include "erl_goodfit_alloc.h"
 
 #define MIN_MBC_SZ			(16*1024)
-#define MIN_MBC_FIRST_FREE_SZ		(4*1024)
 
 #define MAX_SUB_MASK_IX \
   ((((UWord)1) << (NO_OF_BKT_IX_BITS - SUB_MASK_IX_SHIFT)) - 1)
@@ -207,7 +206,6 @@ erts_gfalc_start(GFAllctr_t *gfallctr,
 
     allctr->mbc_header_size		= sizeof(Carrier_t);
     allctr->min_mbc_size		= MIN_MBC_SZ;
-    allctr->min_mbc_first_free_size	= MIN_MBC_FIRST_FREE_SZ;
     allctr->min_block_size		= sizeof(GFFreeBlock_t);
 
 
diff --git a/erts/emulator/beam/erl_process.h b/erts/emulator/beam/erl_process.h
index 9c4346c5ec..d0c7500f10 100644
--- a/erts/emulator/beam/erl_process.h
+++ b/erts/emulator/beam/erl_process.h
@@ -968,7 +968,6 @@ typedef struct ErtsProcSysTaskQs_ ErtsProcSysTaskQs;
 #  define MAX_GEN_GCS(p)    (p)->max_gen_gcs
 #  define FLAGS(p)          (p)->flags
 #  define MBUF(p)           (p)->mbuf
-#  define HALLOC_MBUF(p)    (p)->halloc_mbuf
 #  define MBUF_SIZE(p)      (p)->mbuf_sz
 #  define MSO(p)            (p)->off_heap
 #  define MIN_HEAP_SIZE(p)  (p)->min_heap_size
-- 
2.26.2