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[2003:d8:2f47:2b00:c5f3:4053:2918:d17c]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-458705377f0sm156708195e9.6.2025.07.28.06.28.42 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 28 Jul 2025 06:28:43 -0700 (PDT) Message-ID: Date: Mon, 28 Jul 2025 15:28:41 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 2/5] mm/huge_memory: convert "tva_flags" to "enum tva_type" for thp_vma_allowable_order*() To: Usama Arif , Andrew Morton , linux-mm@kvack.org Cc: linux-fsdevel@vger.kernel.org, corbet@lwn.net, rppt@kernel.org, surenb@google.com, mhocko@suse.com, hannes@cmpxchg.org, baohua@kernel.org, shakeel.butt@linux.dev, riel@surriel.com, ziy@nvidia.com, laoar.shao@gmail.com, dev.jain@arm.com, baolin.wang@linux.alibaba.com, npache@redhat.com, lorenzo.stoakes@oracle.com, Liam.Howlett@oracle.com, ryan.roberts@arm.com, vbabka@suse.cz, jannh@google.com, Arnd Bergmann , sj@kernel.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, kernel-team@meta.com References: <20250725162258.1043176-1-usamaarif642@gmail.com> <20250725162258.1043176-3-usamaarif642@gmail.com> From: David Hildenbrand Autocrypt: addr=david@redhat.com; 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charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Stat-Signature: yedigktbc5f7a8jf9rp1tn6i7xqdxmwx X-Rspam-User: X-Rspamd-Queue-Id: A93A81C0012 X-Rspamd-Server: rspam02 X-HE-Tag: 1753709328-17897 X-HE-Meta: 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 pfcZ7oAf 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 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 25.07.25 18:22, Usama Arif wrote: > From: David Hildenbrand > > Describing the context through a type is much clearer, and good enough > for our case. > > We have: > * smaps handling for showing "THPeligible" > * Pagefault handling > * khugepaged handling > * Forced collapse handling: primarily MADV_COLLAPSE, but one other odd case > > Really, we want to ignore sysfs only when we are forcing a collapse > through MADV_COLLAPSE, otherwise we want to enforce. > > With this change, we immediately know if we are in the forced collapse > case, which will be valuable next. > > Signed-off-by: David Hildenbrand > Acked-by: Usama Arif Nit: if you forward patches untouched, make sure to add your SOB as well. -- Cheers, David / dhildenb