From mboxrd@z Thu Jan 1 00:00:00 1970 From: Adrien Mazarguil Subject: Re: [PATCH 2/2] mem: fix mempool for --no-huge Date: Fri, 26 Jul 2013 16:59:32 +0200 Message-ID: <20130726145932.GO7849@6wind.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: dev-VfR2kkLFssw@public.gmane.org To: Damien Millescamps Return-path: Content-Disposition: inline In-Reply-To: List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces-VfR2kkLFssw@public.gmane.org Sender: "dev" 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 > --- > 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 6WIND