Peter Lieven d429276907 MEMORY introduce a small allocation pool ...

This patch finally introduces a small allocation pool
which recycles all the small portions of memory that
are used for headers and pdu structures. This was
the initial idea behind wrapping all memory functions
in libiscsi.

The results of booting are test system up to the login
prompt are quite impressive:

BEFORE:
libiscsi:5 memory is clean at iscsi_destroy_context() after 10712 mallocs, 18 realloc(s) and 10712 free(s)

AFTER:
libiscsi:5 memory is clean at iscsi_destroy_context() after 41 mallocs, 18 realloc(s), 41 free(s) and 10584 reused small allocations

Signed-off-by: Peter Lieven <pl@kamp.de>

2013-07-18 11:15:56 +02:00

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