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Howlett" , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Michal Hocko , Rik van Riel , Harry Yoo , Johannes Weiner , Shakeel Butt , Baolin Wang , "Darrick J. Wong" , Dave Chinner , linux-mm@kvack.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCHv2 1/2] mm/memory: Do not populate page table entries beyond i_size Message-Id: <20251025215416.dbe01a36382fdd1a6d6a8e5b@linux-foundation.org> In-Reply-To: References: <20251023093251.54146-1-kirill@shutemov.name> <20251023093251.54146-2-kirill@shutemov.name> <20251023134929.b72ab75a8c132a17ae68a582@linux-foundation.org> <3ad31422-81c7-47f2-ae3e-e6bc1df402ee@redhat.com> <20251023143624.1732f958020254baff0a4bee@linux-foundation.org> X-Mailer: Sylpheed 3.8.0beta1 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Stat-Signature: hy1dbnu6aj7eha4u9xumbmnh9fufi14q X-Rspam-User: X-Rspamd-Server: rspam07 X-Rspamd-Queue-Id: 3DB6A100003 X-HE-Tag: 1761454459-848126 X-HE-Meta: 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 7xf6dnec sWeKCIt0Zm04ziCYCYZwRbkLrdkKyBjLLu3vxDUQBoTDpiMvZiC5o9EXeaYOOqytgktB73lEcem3l606IBWQ3gAhii7kvQL9h6b9Z97hcdPVpKztdxe/VFleby8D9IQuZBCmp5h0gR2XhyYUrBd6GoJuBH5sr2Jw1xs/WKFzKjAuWkRaNz747jx1WJOS0bUSw+cpkjIAFKaLEBjj8CDN1r0VTcOHTiYHtiKk4p1WRuVFpvTP+M26a/bfQWMZWcS0OQFs6XE1luSPFwV0kJ68Ua+8wsCS3qbZAuKnvgt+V9fJwKIKB2BplluvUarS/R2slJDmncbMfYnFZGntsg4NKB5wRbFgr9A/VWZXm X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Fri, 24 Oct 2025 10:26:05 +0100 Kiryl Shutsemau wrote: > > Because the Sep 28 2025 Fixes: totally fooled me and because this > > doesn't apply to 6.17, let alone to 6.ancient. > > > > > It sure is a fix for that. We can indicate to which stable > > > versions we want to have ti backported. > > > > > > And yes, it might be all stable kernels. > > > > No probs, thanks for clarifying. I'll restore the > > > > Fixes: 800d8c63b2e9 ("shmem: add huge pages support") > > Cc; > > > > and shall let others sort out the backporting issues. > > One possible way to relax backporting requirements is only to backport > to kernels where we can have writable file mapping to filesystem with a > backing storage (non-shmem). > > Maybe > > Fixes: 01c70267053d ("fs: add a filesystem flag for THPs") OK, thanks, I changed it to Link: https://lkml.kernel.org/r/20251023093251.54146-2-kirill@shutemov.name Fixes: 01c70267053d ("fs: add a filesystem flag for THPs") Signed-off-by: Kiryl Shutsemau ... Cc: