[dpdk-dev] [PATCH 2/2] mem: fix mempool for --no-huge
Thomas Monjalon
thomas.monjalon at 6wind.com
Fri Jul 26 17:10:51 CEST 2013
26/07/2013 16:59, Adrien Mazarguil :
> On Fri, Jul 26, 2013 at 04:39:13PM +0200, Damien Millescamps wrote:
> > In --no-huge mode, mempool provides objects with their associated
> > header/trailer fitting in a standard page (usually 4KB).
> > This means all non-UIO driver should work correctly in this mode,
> > since UIO drivers allocate ring sizes that cannot fit in a page.
> >
> > Extend rte_mempool_virt2phy to obtain the correct physical address when
> > elements of the pool are not on the same physically contiguous memory
> > region. This is a first step for enhancement PR #29696.
> >
> > Reason for this patch is to be able to run on a kernel < 2.6.37 without
> > the need to patch it, since all kernel below are either bugged or don't
> > have huge page support at all (< 2.6.28).
> >
> > Signed-off-by: Damien Millescamps <damien.millescamps at 6wind.com>
> > ---
> >
> > lib/librte_eal/linuxapp/eal/eal_memory.c | 2 +-
> > lib/librte_mempool/rte_mempool.c | 54
> > +++++++++++++++++++++++++++++- lib/librte_mempool/rte_mempool.h
> > | 20 +++++++----
> > 3 files changed, 67 insertions(+), 9 deletions(-)
>
> Acked-by: Adrien Mazarguil <adrien.mazarguil at 6wind.com>
applied
--
Thomas
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