From mboxrd@z Thu Jan  1 00:00:00 1970
From: Thomas Monjalon <thomas.monjalon-pdR9zngts4EAvxtiuMwx3w@public.gmane.org>
Subject: Re: [PATCH v2] eal: change default per socket memory
	allocation
Date: Wed, 14 May 2014 11:15:34 +0200
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To: Didier Pallard <didier.pallard-pdR9zngts4EAvxtiuMwx3w@public.gmane.org>
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> Currently, if there is more memory in hugepages than the amount reque=
sted by
> dpdk application, the memory is allocated by taking as much memory as=

> possible from each socket, starting from first one. For example if a
> system is configured with 8 GB in 2 sockets (4 GB per socket), and dp=
dk is
> requesting only 4GB of memory, all memory will be taken in socket 0 (=
that
> have exactly 4GB of free hugepages) even if some cores are configured=
 on
> socket 1, and there are free hugepages on socket 1...=20
> Change this behaviour to allocate memory on all sockets where some co=
res are
> configured, spreading the memory amongst sockets using following rati=
o per
> socket:
> N=B0 of cores configured on the socket / Total number of configured
> cores * requested memory
>=20
> This algorithm is used when memory amount is specified globally using=
 -m
> option. Per socket memory allocation can always be done using --socke=
t-mem
> option.
=20
> Changes included in v2:
> - only update linux implementation as bsd looks not to be ready for n=
uma
> - if new algorithm fails, then defaults to previous behaviour
>=20
> Signed-off-by: Didier Pallard <didier.pallard-pdR9zngts4EAvxtiuMwx3w@public.gmane.org>
> Signed-off-by: David Marchand <david.marchand-pdR9zngts4EAvxtiuMwx3w@public.gmane.org>
>=20
> Acked-by: Venky Venkatesan <Venky.venkatesan-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>

Applied for version 1.7.0.

Thanks
--=20
Thomas