From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Date: Sat, 24 Feb 2018 06:35:20 -0800 From: Matthew Wilcox To: Stephen Hemminger Cc: netdev@vger.kernel.org, linux-mm@kvack.org Subject: Re: tcp_bind_bucket is missing from slabinfo Message-ID: <20180224143520.GA22222@bombadil.infradead.org> References: <20180223225030.2e8ef122@shemminger-XPS-13-9360> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20180223225030.2e8ef122@shemminger-XPS-13-9360> Sender: owner-linux-mm@kvack.org List-ID: On Fri, Feb 23, 2018 at 10:50:30PM -0800, Stephen Hemminger wrote: > Somewhere back around 3.17 the kmem cache "tcp_bind_bucket" dropped out > of /proc/slabinfo. It turns out the ss command was dumpster diving > in slabinfo to determine the number of bound sockets and now it always > reports 0. > > Not sure why, the cache is still created but it doesn't > show in slabinfo. Could it be some part of making slab/slub common code > (or network namespaces). The cache is created in tcp_init but not visible. > > Any ideas? Try booting with slab_nomerge=1 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org