mt_allocator.h (__mt_alloc<>::tune): Add _M_min_bin, the size in bytes of the smalles...

mt_allocator.h (__mt_alloc<>::tune): Add _M_min_bin, the size in bytes of the smallest bin.

2004-03-25  Paolo Carlini  <pcarlini@suse.de>

	* include/ext/mt_allocator.h (__mt_alloc<>::tune):
	Add _M_min_bin, the size in bytes of the smallest bin.
	(__mt_alloc<>::tune()): Tweak accordingly.
	(__mt_alloc<>::tune(size_t, ...)): Likewise.
	(__mt_alloc<>::block_record): Change to a union: members next
	and thread_id are never used at the same time.
	(__mt_alloc<>::allocate): Update consistently.
	(__mt_alloc<>::deallocate): Likewise.
	(__mt_alloc<>::_S_initialize): Update setups of _S_binmap and
	_S_bin_size for the configurable _M_min_size.

From-SVN: r79962