Date: Sun, 10 Dec 2017 15:07:56 -0800 From: Cy Schubert <Cy.Schubert@komquats.com> To: Andriy Gapon <avg@FreeBSD.org> Cc: Jeff Roberson <jeff@freebsd.org>, src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: Re: svn commit: r326347 - in head/sys: kern sys vm Message-ID: <201712102307.vBAN7uUq072528@slippy.cwsent.com> In-Reply-To: Message from Andriy Gapon <avg@FreeBSD.org> of "Thu, 07 Dec 2017 10:12:33 %2B0200." <c014468d-d2f9-1cea-0324-858a51b0b79f@FreeBSD.org>
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In message <c014468d-d2f9-1cea-0324-858a51b0b79f@FreeBSD.org>, Andriy Gapon wri tes: > On 29/11/2017 01:40, Jeff Roberson wrote: > > Eliminate kmem_arena and kmem_object in preparation for further NUMA comm > its. > > > > The arena argument to kmem_*() is now only used in an assert. A follow-u > p > > commit will remove the argument altogether before we freeze the API for t > he > > next release. > > > > This replaces the hard limit on kmem size with a soft limit imposed by UM > A. When > > the soft limit is exceeded we periodically wakeup the UMA reclaim thread > to > > attempt to shrink KVA. On 32bit architectures this should behave much mo > re > > gracefully as we exhaust KVA. On 64bit the limits are likely never hit. > > > > Reviewed by: markj, kib (some objections) > > Discussed with: alc > > Tested by: pho > > Sponsored by: Netflix / Dell EMC Isilon > > Differential Revision: https://reviews.freebsd.org/D13187 > > > Given this bug report https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=22408 > 0#c3 > can we revert this commit until its impact on ZFS is examined (and fixed)? > > Unfortunately, there is no public comment from you at all. > Not even "yes, I am aware, will be looking into it". Until we can address the ARC breakage, can we revert this, please? -- Cheers, Cy Schubert <Cy.Schubert@cschubert.com> FreeBSD UNIX: <cy@FreeBSD.org> Web: http://www.FreeBSD.org The need of the many outweighs the greed of the few.
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