mmap.c (backtrace_free): If freeing a large aligned block of memory, call munmap rather than holding onto it.
* mmap.c (backtrace_free): If freeing a large aligned block of
memory, call munmap rather than holding onto it.
(backtrace_vector_grow): When growing a vector, double the number
of pages requested. When releasing the old version of a grown
vector, pass the correct size to backtrace_free.
From-SVN: r210256
