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[2003:cb:c706:2700:abf9:4eac:588c:adab]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-44043529fdbsm50334475e9.1.2025.04.17.05.57.38 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 17 Apr 2025 05:57:38 -0700 (PDT) Message-ID: <3b665ef9-d773-476c-826c-8729056c611c@redhat.com> Date: Thu, 17 Apr 2025 14:57:37 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [RFC PATCH] mm: don't promote exclusive file folios of dying processes To: Johannes Weiner , Barry Song <21cnbao@gmail.com> Cc: akpm@linux-foundation.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, Barry Song , Baolin Wang , Matthew Wilcox , Oscar Salvador , Ryan Roberts , Zi Yan References: <6259cc1d-93a8-4293-9009-a6119166f023@redhat.com> <20250416141531.GD741145@cmpxchg.org> <239cfe47-9826-402b-8008-de707faa160e@redhat.com> <20250416181835.GA779666@cmpxchg.org> <20250416235849.GA780688@cmpxchg.org> <20250417121755.GB780688@cmpxchg.org> From: David Hildenbrand Autocrypt: addr=david@redhat.com; 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Of course, it is even much more controversial >> than this patch. > > That doesn't sound wrong to me for Android apps. > > How about a prctl() to request the behavior for those specific app > processes where you have clear usage signal? I was thinking about the same, so likely that might be a viable solution. -- Cheers, David / dhildenb