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Message-ID: <alpine.DEB.2.20.1801120955540.12791@nuc-kabylake> Date: Fri, 12 Jan 2018 09:56:21 -0600 (CST) From: Christopher Lameter <cl@...ux.com> To: David Laight <David.Laight@...LAB.COM> cc: Kees Cook <keescook@...omium.org>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, David Windsor <dave@...lcore.net>, Pekka Enberg <penberg@...nel.org>, David Rientjes <rientjes@...gle.com>, Joonsoo Kim <iamjoonsoo.kim@....com>, Andrew Morton <akpm@...ux-foundation.org>, "linux-mm@...ck.org" <linux-mm@...ck.org>, "linux-xfs@...r.kernel.org" <linux-xfs@...r.kernel.org>, Linus Torvalds <torvalds@...ux-foundation.org>, Alexander Viro <viro@...iv.linux.org.uk>, Andy Lutomirski <luto@...nel.org>, Christoph Hellwig <hch@...radead.org>, "David S. Miller" <davem@...emloft.net>, Laura Abbott <labbott@...hat.com>, Mark Rutland <mark.rutland@....com>, "Martin K. Petersen" <martin.petersen@...cle.com>, Paolo Bonzini <pbonzini@...hat.com>, Christian Borntraeger <borntraeger@...ibm.com>, Christoffer Dall <christoffer.dall@...aro.org>, Dave Kleikamp <dave.kleikamp@...cle.com>, Jan Kara <jack@...e.cz>, Luis de Bethencourt <luisbg@...nel.org>, Marc Zyngier <marc.zyngier@....com>, Rik van Riel <riel@...hat.com>, Matthew Garrett <mjg59@...gle.com>, "linux-fsdevel@...r.kernel.org" <linux-fsdevel@...r.kernel.org>, "linux-arch@...r.kernel.org" <linux-arch@...r.kernel.org>, "netdev@...r.kernel.org" <netdev@...r.kernel.org>, "kernel-hardening@...ts.openwall.com" <kernel-hardening@...ts.openwall.com> Subject: RE: [PATCH 04/36] usercopy: Prepare for usercopy whitelisting On Fri, 12 Jan 2018, David Laight wrote: > > Hmmm... At some point we should switch kmem_cache_create to pass a struct > > containing all the parameters. Otherwise the API will blow up with > > additional functions. > > Or add an extra function to 'configure' the kmem_cache with the > extra parameters. We probably need even more configurability if we add callbacks for object reclaim / moving.
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