Re: [PATCH 06/24] net, diet: Use small UDP hash tables on small kernels

2014-05-06 Thread Eric Dumazet
On Tue, 2014-05-06 at 11:23 -0700, Andi Kleen wrote: > Ok I need to fix that, because a single slot on a 2MB system > is likely not enough. You have nothing to do. It will use a 128 slots hash table with current code. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel"

Re: [PATCH 06/24] net, diet: Use small UDP hash tables on small kernels

2014-05-06 Thread Andi Kleen
> This patch has no effect on a small machine, because we already > dynamically size this hash table. Good point. > > (The factor is one slot per 2MB of low memory) Ok I need to fix that, because a single slot on a 2MB system is likely not enough. -Andi -- To unsubscribe from this list: send

Re: [PATCH 06/24] net, diet: Use small UDP hash tables on small kernels

2014-05-06 Thread Eric Dumazet
On Mon, 2014-05-05 at 15:25 -0700, Andi Kleen wrote: > From: Andi Kleen > > UDP has two hash tables, for UDP and UDP lite. Default > them to 16 entries each on small kernels. This can be > still overriden on the command line. > > Signed-off-by: Andi Kleen > --- > net/ipv4/udp.c | 5 + > 1

Re: [PATCH 06/24] net, diet: Use small UDP hash tables on small kernels

2014-05-05 Thread David Miller
From: Andi Kleen Date: Mon, 5 May 2014 15:25:55 -0700 > From: Andi Kleen > > UDP has two hash tables, for UDP and UDP lite. Default > them to 16 entries each on small kernels. This can be > still overriden on the command line. > > Signed-off-by: Andi Kleen Likewise, if you make it too small

[PATCH 06/24] net, diet: Use small UDP hash tables on small kernels

2014-05-05 Thread Andi Kleen
From: Andi Kleen UDP has two hash tables, for UDP and UDP lite. Default them to 16 entries each on small kernels. This can be still overriden on the command line. Signed-off-by: Andi Kleen --- net/ipv4/udp.c | 5 + 1 file changed, 5 insertions(+) diff --git a/net/ipv4/udp.c b/net/ipv4/udp