vppinfra: remove the historical mheap memory allocator

The mheap allocator has been turned off for several releases. This
commit removes the cmake config parameter, parallel support for
dlmalloc and mheap, and the mheap allocator itself.

Type: refactor

Signed-off-by: Dave Barach <dave@barachs.net>
Change-Id: I104f88a1f06e47e90e5f7fb3e11cd1ca66467903

3 files changed, 0 insertions, 49 deletions

diff --git a/src/svm/fifo_segment.c b/src/svm/fifo_segment.c
index 43efbc336da..58c11383e43 100644
--- a/src/svm/fifo_segment.c
+++ b/src/svm/fifo_segment.c
@@ -1025,12 +1025,6 @@ format_fifo_segment (u8 * s, va_list * args)
   int i;
 
   indent = format_get_indent (s) + 2;
-#if USE_DLMALLOC == 0
-  s = format (s, "%U segment heap: %U\n", format_white_space, indent,
-	      format_mheap, fsh->ssvm_sh->heap, verbose);
-  s = format (s, "%U segment has %u active fifos\n",
-	      format_white_space, indent, fifo_segment_num_fifos (fsh));
-#endif
 
   if (fs == 0)
     {
diff --git a/src/svm/ssvm.c b/src/svm/ssvm.c
index 66e38ebf864..0305278a6b6 100644
--- a/src/svm/ssvm.c
+++ b/src/svm/ssvm.c
@@ -29,9 +29,6 @@ int
 ssvm_master_init_shm (ssvm_private_t * ssvm)
 {
   int ssvm_fd;
-#if USE_DLMALLOC == 0
-  int mh_flags = MHEAP_FLAG_DISABLE_VM | MHEAP_FLAG_THREAD_SAFE;
-#endif
   clib_mem_vm_map_t mapa = { 0 };
   u8 junk = 0, *ssvm_filename;
   ssvm_shared_header_t *sh;
@@ -104,15 +101,10 @@ ssvm_master_init_shm (ssvm_private_t * ssvm)
   sh->ssvm_size = ssvm->ssvm_size;
   sh->ssvm_va = pointer_to_uword (sh);
   sh->type = SSVM_SEGMENT_SHM;
-#if USE_DLMALLOC == 0
-  sh->heap = mheap_alloc_with_flags (((u8 *) sh) + page_size,
-				     ssvm->ssvm_size - page_size, mh_flags);
-#else
   sh->heap = create_mspace_with_base (((u8 *) sh) + page_size,
 				      ssvm->ssvm_size - page_size,
 				      1 /* locked */ );
   mspace_disable_expand (sh->heap);
-#endif
 
   oldheap = ssvm_push_heap (sh);
   sh->name = format (0, "%s", ssvm->name, 0);
@@ -261,17 +253,10 @@ ssvm_master_init_memfd (ssvm_private_t * memfd)
   sh->ssvm_va = pointer_to_uword (sh);
   sh->type = SSVM_SEGMENT_MEMFD;
 
-#if USE_DLMALLOC == 0
-  uword flags = MHEAP_FLAG_DISABLE_VM | MHEAP_FLAG_THREAD_SAFE;
-
-  sh->heap = mheap_alloc_with_flags (((u8 *) sh) + page_size,
-				     memfd->ssvm_size - page_size, flags);
-#else
   sh->heap = create_mspace_with_base (((u8 *) sh) + page_size,
 				      memfd->ssvm_size - page_size,
 				      1 /* locked */ );
   mspace_disable_expand (sh->heap);
-#endif
   oldheap = ssvm_push_heap (sh);
   sh->name = format (0, "%s", memfd->name, 0);
   ssvm_pop_heap (oldheap);
diff --git a/src/svm/svm.c b/src/svm/svm.c
index cc49eb3c6e2..c702625db7e 100644
--- a/src/svm/svm.c
+++ b/src/svm/svm.c
@@ -240,16 +240,6 @@ format_svm_region (u8 * s, va_list * args)
 		}
 	    }
 	}
-#if USE_DLMALLOC == 0
-      s = format (s, "  rgn heap stats: %U", format_mheap,
-		  rp->region_heap, 0);
-      if ((rp->flags & SVM_FLAGS_MHEAP) && rp->data_heap)
-	{
-	  s = format (s, "\n  data heap stats: %U", format_mheap,
-		      rp->data_heap, 1);
-	}
-      s = format (s, "\n");
-#endif
     }
 
   return (s);
@@ -345,18 +335,9 @@ svm_data_region_create (svm_map_region_args_t * a, svm_region_t * rp)
 
   if (a->flags & SVM_FLAGS_MHEAP)
     {
-#if USE_DLMALLOC == 0
-      mheap_t *heap_header;
-      rp->data_heap =
-	mheap_alloc_with_flags ((void *) (rp->data_base), map_size,
-				MHEAP_FLAG_DISABLE_VM);
-      heap_header = mheap_header (rp->data_heap);
-      heap_header->flags |= MHEAP_FLAG_THREAD_SAFE;
-#else
       rp->data_heap = create_mspace_with_base (rp->data_base,
 					       map_size, 1 /* locked */ );
       mspace_disable_expand (rp->data_heap);
-#endif
 
       rp->flags |= SVM_FLAGS_MHEAP;
     }
@@ -504,21 +485,12 @@ svm_region_init_mapped_region (svm_map_region_args_t * a, svm_region_t * rp)
   rp->virtual_base = a->baseva;
   rp->virtual_size = a->size;
 
-#if USE_DLMALLOC == 0
-  rp->region_heap =
-    mheap_alloc_with_flags (uword_to_pointer
-			    (a->baseva + MMAP_PAGESIZE, void *),
-			    (a->pvt_heap_size !=
-			     0) ? a->pvt_heap_size : SVM_PVT_MHEAP_SIZE,
-			    MHEAP_FLAG_DISABLE_VM);
-#else
   rp->region_heap = create_mspace_with_base
     (uword_to_pointer (a->baseva + MMAP_PAGESIZE, void *),
      (a->pvt_heap_size !=
       0) ? a->pvt_heap_size : SVM_PVT_MHEAP_SIZE, 1 /* locked */ );
 
   mspace_disable_expand (rp->region_heap);
-#endif
 
   oldheap = svm_push_pvt_heap (rp);