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[PATCH] Add mmapped count and size in malloc_info


malloc_info currently only gives information about allocations on
heap, which is not complete without information about allocations that
were satisfied using mmap.  This trivial patch adds this information
as a new element to the xml.

This patch goes on top of Ondrej's patch to inline mi_arena.  OK to


	* malloc/malloc (malloc_info): Also print mmapped statistics.

diff --git a/malloc/malloc.c b/malloc/malloc.c
index 963a333..9e98c6d 100644
--- a/malloc/malloc.c
+++ b/malloc/malloc.c
@@ -5148,12 +5148,14 @@ malloc_info (int options, FILE *fp)
   fprintf (fp,
            "<total type=\"fast\" count=\"%zu\" size=\"%zu\"/>\n"
            "<total type=\"rest\" count=\"%zu\" size=\"%zu\"/>\n"
+	   "<mmap nr=\"%zu\" size=\"%zu\"/>\n"
            "<system type=\"current\" size=\"%zu\"/>\n"
            "<system type=\"max\" size=\"%zu\"/>\n"
            "<aspace type=\"total\" size=\"%zu\"/>\n"
            "<aspace type=\"mprotect\" size=\"%zu\"/>\n"
            total_nfastblocks, total_fastavail, total_nblocks, total_avail,
+	   mp_.n_mmaps, mp_.mmapped_mem,
            total_system, total_max_system,
            total_aspace, total_aspace_mprotect);

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