File 0982-erts-Over-allocate-in-lcnt-to-silence-gcc-... of Package erlang

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File 0982-erts-Over-allocate-in-lcnt-to-silence-gcc-warning.patch of Package erlang (Revision 371fc947ce89baa340e0441f200e4667)

Currently displaying revision 371fc947ce89baa340e0441f200e4667 , Show latest

From daa57da6018b50bcf696bab34638b7fe81e3f1fa Mon Sep 17 00:00:00 2001
From: Lukas Larsson <lukas@erlang.org>
Date: Thu, 26 Oct 2023 12:27:42 +0200
Subject: [PATCH 2/6] erts: Over-allocate in lcnt to silence gcc warning

---
 erts/emulator/beam/erl_thr_progress.c | 17 ++++++++---------
 1 file changed, 8 insertions(+), 9 deletions(-)

diff --git a/erts/emulator/beam/erl_thr_progress.c b/erts/emulator/beam/erl_thr_progress.c
index ccd0b3aea1..84204b804c 100644
--- a/erts/emulator/beam/erl_thr_progress.c
+++ b/erts/emulator/beam/erl_thr_progress.c
@@ -320,20 +320,19 @@ tmp_thr_prgr_data(ErtsSchedulerData *esdp)
     ErtsThrPrgrData *tpd = perhaps_thr_prgr_data(esdp);
 
     if (!tpd) {
-        /*
-         * We only allocate the part up to the wakeup_request field which is
-         * the first field only used by registered threads
-         */
-        size_t alloc_size = offsetof(ErtsThrPrgrData, wakeup_request);
 
+#ifdef ERTS_ENABLE_LOCK_COUNT
         /* We may land here as a result of unmanaged_delay being called from
          * the lock counting module, which in turn might be called from within
          * the allocator, so we use plain malloc to avoid deadlocks. */
-        tpd =
-#ifdef ERTS_ENABLE_LOCK_COUNT
-            malloc(alloc_size);
+        tpd = malloc(sizeof(ErtsThrPrgrData));
 #else
-            erts_alloc(ERTS_ALC_T_T_THR_PRGR_DATA, alloc_size);
+        /*
+         * We only allocate the part up to the wakeup_request field which is
+         * the first field only used by registered threads
+         */
+        size_t alloc_size = offsetof(ErtsThrPrgrData, wakeup_request);
+        tpd = erts_alloc(ERTS_ALC_T_T_THR_PRGR_DATA, alloc_size);
 #endif
 
         init_tmp_thr_prgr_data(tpd);
-- 
2.35.3

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File 0982-erts-Over-allocate-in-lcnt-to-silence-gcc-warning.patch of Package erlang (Revision 371fc947ce89baa340e0441f200e4667)

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