btl/openib: fix abstraction violation and use opal_memory->memoryc_set_alignment

Author: ggouaillardet

opal/mca/btl/openib/btl_openib_component.c

@@ -19,7 +19,7 @@
  * Copyright (c) 2011-2015 NVIDIA Corporation.  All rights reserved.
  * Copyright (c) 2012      Oak Ridge National Laboratory.  All rights reserved
  * Copyright (c) 2013-2015 Intel, Inc. All rights reserved
- * Copyright (c) 2014-2015 Research Organization for Information Science
+ * Copyright (c) 2014-2016 Research Organization for Information Science
  *                         and Technology (RIST). All rights reserved.
  * Copyright (c) 2014      Bull SAS.  All rights reserved.
  * $COPYRIGHT$
@@ -42,22 +42,8 @@
 #include <fcntl.h>
 #include <stdlib.h>
 #include <stddef.h>
-#if MEMORY_LINUX_MALLOC_ALIGN_ENABLED
-/*
- * The include of malloc.h below breaks abstractions in OMPI (by
- * directly including a header file from another component), but has
- * been ruled "ok" because the openib component is only supported on
- * Linux.
- *
- * The malloc hooks in newer glibc were deprecated, including stock
- * malloc.h causes compilation warnings.  Instead, we use the internal
- * linux component malloc.h which does not cause these warnings.
- * Internally, OMPI uses the built-in ptmalloc from the linux memory
- * component anyway.
- */
-#include "opal/mca/memory/linux/memory_linux.h"
-#endif
 
+#include "opal/mca/memory/memory.h"
 #include "opal/mca/event/event.h"
 #include "opal/align.h"
 #include "opal/util/output.h"
@@ -2503,14 +2489,12 @@ btl_openib_component_init(int *num_btl_modules,
     *num_btl_modules = 0;
     num_devs = 0;
 
-#if MEMORY_LINUX_MALLOC_ALIGN_ENABLED
     /* If we got this far, then setup the memory alloc hook (because
        we're most likely going to be using this component). The hook
        is to be set up as early as possible in this function since we
        want most of the allocated resources be aligned.
      */
-    opal_memory_linux_malloc_set_alignment(32, mca_btl_openib_module.super.btl_eager_limit);
-#endif /* MEMORY_LINUX_MALLOC_ALIGN_ENABLED */
+    opal_memory->memoryc_set_alignment(32, mca_btl_openib_module.super.btl_eager_limit);
 
     /* Per https://svn.open-mpi.org/trac/ompi/ticket/1305, check to
        see if $sysfsdir/class/infiniband exists.  If it does not,