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b=i98P46mHgVeg+UxDqZZWoEzhKi1tPOQXy7qPWwBJVFxBJ0k26UtD5ig0yvDTl/Xj7 u9605qUhGM5vFr8e4OM9GCpYkswEqCDCmDVu0Ork21OvSdUiw5b/8tiaqOliWbKMy8 GFD0BjTBBU52GOTAz4REmcKEU+MRRaNv9Ig5aHSButGWQTNfeHBYti5d3MLNKhHS2w L+jlZWBwEEdRIw9R+wG5AexLma0a+fd/YFv+K7RqYUP73b5vsNUBYdqYLPM5f4J0ze 4TUG6S9bhRKLOVEBO1rp2FcqGA0gQs5KGd6oDXagyO+NLO/JcAPtqgOP4/UdxPjZ0N 5/21fSatppZuQ== Date: Wed, 3 Jun 2026 11:39:00 +0300 From: Mike Rapoport To: Lorenzo Stoakes Cc: "Vlastimil Babka (SUSE)" , "David Hildenbrand (Arm)" , Nico Pache , akpm@linux-foundation.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, liam@infradead.org, mhocko@suse.com, vbabka@suse.cz, willy@infradead.org Subject: Re: Process (was Re: [PATCH mm-hotfixes-unstable v18 00/14] khugepaged: add mTHP) collapse support Message-ID: References: <506fed6b-8954-40fa-8b5e-c8bd8c0d004b@kernel.org> <07334dc3-79ba-407e-96be-21ceb2eec00a@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Rspam-User: X-Rspamd-Server: rspam01 X-Rspamd-Queue-Id: 00491180006 X-Stat-Signature: tmizchoktiiqdcu3hud16j64zqsgzg7w X-HE-Tag: 1780475948-316111 X-HE-Meta: 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 FbI16/AH 1klh2hdfDgCrDJjwyQUcksR48jbt2euxoEODDBmCZ8eA6SHWeY8t7W0zlUv+5VWGIP//c/McZzVUhSOxme0bkTaiLLJ0cTvnoj+HAFS0c9RYtz3woikMTNOQztcz/86M2AzJojByxco7Lf+FQOQZisQKjNAjJ8BxBzNXjObQLQm3x4BsE0ZhDcNGXTCHjY7WvjeUwKpb1yvoKVRGDPJIiJ7+oElmam/1mxirAqGgSGNzr9ZFmisNkaQepc0p55wbu0oVZ Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Wed, Jun 03, 2026 at 07:48:46AM +0100, Lorenzo Stoakes wrote: > On Tue, Jun 02, 2026 at 08:31:42PM +0300, Mike Rapoport wrote: > > * Supposing we keep the model of early merging for testing [Lorenzo, don't > > yell at me ;-)] I think it's reasonable enough to drop everything that's > > not going upstream at, say, rc6 and ask contributors to rinse and repeat > > after rc1. > > I won't yell :) but I really don't want us to do this, and to improve our > testing locally. Because: There's no contradiction between improving our local testing and allowing to merge early to expose to the wider testing. The merge early is a part of what makes mm community welcoming as opposed to tip's policy "only 100% perfect material goes in". > - We've become a bit notorious for breaking linux-next I don't think only mm breaks linux-next :) > - It makes it more difficult for us to yank things git rebase -i > - It blurs the line between the stable branch (which in the new model we will be > updating constantly rather than right at the end) and some 'unknown state' of > 'whatever we just sent to linux-next'. The aggregate "next" going to linux-next can include both, stable and stabilizing parts. Or they can go as separate branches. > Cheers, Lorenzo -- Sincerely yours, Mike.