From 6a5adc369591fcac2447e9809deaa22f56b53911 Mon Sep 17 00:00:00 2001
From: Dave Barach <dave@barachs.net>
Date: Wed, 4 Jul 2018 10:56:23 -0400
Subject: Add config option to use dlmalloc instead of mheap

Configure w/ --enable-dlmalloc, see .../build-data/platforms/vpp.mk

src/vppinfra/dlmalloc.[ch] are slightly modified versions of the
well-known Doug Lea malloc. Main advantage: dlmalloc mspaces have no
inherent size limit.

Change-Id: I19b3f43f3c65bcfb82c1a265a97922d01912446e
Signed-off-by: Dave Barach <dave@barachs.net>
---
 src/vppinfra/mem_mheap.c | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

(limited to 'src/vppinfra/mem_mheap.c')

diff --git a/src/vppinfra/mem_mheap.c b/src/vppinfra/mem_mheap.c
index 9b2af520ca6..f3387b72417 100644
--- a/src/vppinfra/mem_mheap.c
+++ b/src/vppinfra/mem_mheap.c
@@ -95,6 +95,25 @@ clib_mem_init (void *memory, uword memory_size)
   return heap;
 }
 
+void *
+clib_mem_init_thread_safe (void *memory, uword memory_size)
+{
+  mheap_t *h;
+  u8 *heap;
+
+  clib_mem_init (memory, memory_size);
+
+  heap = clib_mem_get_per_cpu_heap ();
+  ASSERT (heap);
+
+  h = mheap_header (heap);
+
+  /* make the main heap thread-safe */
+  h->flags |= MHEAP_FLAG_THREAD_SAFE;
+
+  return heap;
+}
+
 #ifdef CLIB_LINUX_KERNEL
 #include <asm/page.h>
 
-- 
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