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Received: from [50.53.2.24] (helo=[192.168.254.17]) by casper.infradead.org with esmtpsa (Exim 4.98 #2 (Red Hat Linux)) id 1tbWcP-00000002qPI-0MmA; Sat, 25 Jan 2025 03:13:57 +0000 Message-ID: <879e64a0-f097-4bde-ae31-25a1adc30d5f@infradead.org> Date: Fri, 24 Jan 2025 19:13:45 -0800 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 01/20] mm: Add msharefs filesystem To: Anthony Yznaga , akpm@linux-foundation.org, willy@infradead.org, markhemm@googlemail.com, viro@zeniv.linux.org.uk, david@redhat.com, khalid@kernel.org Cc: jthoughton@google.com, corbet@lwn.net, dave.hansen@intel.com, kirill@shutemov.name, luto@kernel.org, brauner@kernel.org, arnd@arndb.de, ebiederm@xmission.com, catalin.marinas@arm.com, mingo@redhat.com, peterz@infradead.org, liam.howlett@oracle.com, lorenzo.stoakes@oracle.com, vbabka@suse.cz, jannh@google.com, hannes@cmpxchg.org, mhocko@kernel.org, roman.gushchin@linux.dev, shakeel.butt@linux.dev, muchun.song@linux.dev, tglx@linutronix.de, cgroups@vger.kernel.org, x86@kernel.org, linux-doc@vger.kernel.org, linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, mhiramat@kernel.org, rostedt@goodmis.org, vasily.averin@linux.dev, xhao@linux.alibaba.com, pcc@google.com, neilb@suse.de, maz@kernel.org References: <20250124235454.84587-1-anthony.yznaga@oracle.com> <20250124235454.84587-2-anthony.yznaga@oracle.com> Content-Language: en-US From: Randy Dunlap In-Reply-To: <20250124235454.84587-2-anthony.yznaga@oracle.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Stat-Signature: 5dzm5oowufc9sp4nj8k1hxypcw6fkmc7 X-Rspamd-Queue-Id: C7F4D80010 X-Rspam-User: X-Rspamd-Server: rspam06 X-HE-Tag: 1737774866-15005 X-HE-Meta: U2FsdGVkX18LzaGMqV/yN0rvLfYQD0fEc6iyq4bbbBKdfCkHvx14C5ggMIxvrfBEMD07dszQ8Myr7IacxjwcvMcG8hasTksXZTkbf0DNMymZIolB2RUu3MKKWPmNhXAFEyWYUhwqcizy6l/tWTWHn+o0uCHaZObWiI2lufl1mMsUZMKw3syBAgio4aNA0VMmEW8gUlgNBYSor4Kn2PB3ZFvjWmQT2fZO0Jj4XJAtsnxv+xMCTeDBHqw7PKP3EA3UoShqfRyKqB/MFtcKNg6kxWKiMOy8/tCNhcjNj9AM3VPoHp4j9Odcf3HNoQFGtYJ0AMtRRLykmmy6mN9X5mkuVtv7gSp3OeguAN3oKUBeepOa62FV8NwXS/JDb1eyMvo1p82Aieu+tQcsxA0vBbQG2TVg9GdQxesKVy9tzg5G5lbyStgu6iE8yETS0rMCLNsy9RokoZXy9DWxfUijc8rYREHm7Kp4omKgispkRNQ9ienf5VBlgeGpRlINRaNJeM9H3/pAING/B8kyxj1Q29CUb2quEnbwYMDIfY4P9AVPvGbIjzRItAdXk+jCHe6BvdFuGgVFkwcrd1X/KuvH5V882wWDW5Xm2wgrR0LEPIoE0GG9T/sfVifrWHoSja8l77VYYBcTICSqYGmzDsKGrlxAOPPBOEuB8HY272G8XVL6wH/dWqdx/qHzxMge8UR4coODGcjV7CoMmif6I44w7znck9BDCWl1WwvV3shUVEtzCUu1bvUl58dRTOEjoLIHuRZy19/eFlVP0qYHv9qe7cq8BeTD3aU5mSBQyvWnDvyyInhfTdoNfI41HP298PtH2nugbxMMKYaO2lyt6798CtEzDufT5ayzeB/xSP8wV5RLtxMMub+xuPpRuDCo8WT01qFwF4bv7hjRvTRGQnvalI1mdshp5atrKBt5cAttkPzWKVwGxk3s31fUCeB4AcQP6uIzY2Fu2TMHkFv3vhMJZjc x2aZFSEx XlOegXi/WUAxcdqeLmpbyy+tWiAk2kq39rjMu8Va45YWKpn8/lqJZT53RHnbICELNFKqGgsYHvo2NR+J8sgmcd6zFvMmXWg+j20J7EI81kIc0AS+PaGhKDVgezLL4TxfismhNzgDWIGcjDrWYL+M6I590iwe3ahSQsbLMH5H8m0qx8kiPPy4KVhd389n3qkcF+ennfNjMXZkdGCVpFbN8YTCwoCEhtsK86FC2ZjGhwNBXzjDXsuRniYjR3dnv9+GXbRNf9YShoUlU7d9jv6WILr+Yig== 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: Just nits: On 1/24/25 3:54 PM, Anthony Yznaga wrote: > diff --git a/mm/Kconfig b/mm/Kconfig > index 1b501db06417..ba3dbe31f86a 100644 > --- a/mm/Kconfig > +++ b/mm/Kconfig > @@ -1358,6 +1358,15 @@ config PT_RECLAIM > > Note: now only empty user PTE page table pages will be reclaimed. > > +config MSHARE > + bool "Mshare" > + depends on MMU > + help > + Enable msharefs: A ram-based filesystem that allows multiple RAM-based > + processes to share page table entries for shared pages. A file > + created on msharefs represents a shared region where all processes > + mapping that region will map objects within it with shared PTEs. > + Ioctls are used to configure and map objects into the shared region End the sentence above with a period. > > source "mm/damon/Kconfig" -- ~Randy