Patch: Use calloc instead of malloc when running out of VSM space (common_vsm.c)
phk at phk.freebsd.dk
Tue Mar 8 13:26:47 CET 2016
In message <CAJV_h0YVCRfTOFk=6N3H9jNxnrXM05ht2pQkyJ-FY-LGfu1H_g at mail.gmail.com>
, Federico Schwindt writes:
>We use calloc in many places, I do wonder how many of them do really need
>it. The downside of using calloc when is not really needed is that by
>zeroing the memory you end up with resident memory and not virtual, which
>in turn might lead to swapping.
This is almost always intentional, as we generally do not over-allocate.
The exception is the malloc stevedore where we do.
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