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b=n0aBwEs0x5kOqgOGmfUYYQ9pJ4qZYr13caDsJNheuSxzlcgldJfVTK5poT02FgMBr NwwPAddG/4BDkWWsJV7ldW85k/uSYyh+2C3X+q2lF9QrvKVRtxz93mIBkSqArTl53G 8Kt+2kJg1gIz3ua5R6yoqVSdQchm5ka34qy2JKKa/YfuxJAHwX4WoeG/MiPeFy8WWR EpMEBen6Oyd4wWZ7R7L5WeMRH2Fxh6Vslu9ypoHIa8LiC+D2g5hButVboP1RRpw0Zm h//Q4aUcFBi4PkmMMfxqvmNluuiVym4t4ZBVAEzv/gFG9DymNyS9IaTN41kRRR7A6L xz/CO9YO/xZKg== Date: Tue, 26 May 2026 01:21:33 +0000 From: Jaegeuk Kim To: Christoph Hellwig Cc: Theodore Tso , linux-api@vger.kernel.org, linux-kernel@vger.kernel.org, Matthew Wilcox , linux-f2fs-devel@lists.sourceforge.net, linux-mm@kvack.org, linux-fsdevel@vger.kernel.org, Akilesh Kailash , Christian Brauner Subject: Re: [f2fs-dev] [PATCH v2] f2fs: another way to set large folio by remembering inode number Message-ID: References: <20260521155748.GA79343@macsyma-wired.lan> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Rspam-User: X-Rspamd-Queue-Id: 10E52C0006 X-Stat-Signature: tmpc41xijacr1m9mo3pybzbwbk4z74t5 X-Rspamd-Server: rspam06 X-HE-Tag: 1779758495-490391 X-HE-Meta: U2FsdGVkX18Il0r9ZsCjqNdlgA6FPT04FsNXOKC3toIRbFzx4Nxo8n1o0jCeE/f7xOrRZZarpNHWEbAOob2S6cc9+2eA3NErpRelUniyRmeaqzmvsoXYoEmPzoOkE8Szp9IW/nwO4j1lRt1+kx8uYSeKrFCCafnRyLBDjpy6Yp8WB0k5+4Gjyg8fgloTNteVkkXwtEcSeFctJFxrjhQDMzYio6xUgdGBYHGNvxeW9VfPGgiR6WAcKgerTA3H0z61rJPsvH+p3X7zq4CnZWcVmIyyeLgHOWVtAtQSEFhGN5tE4iZMxf28XZdMywji8CjtLxlGcL6URshjXPW9ARcx8lJa+ZbigccvIRXkH5BkvVkKYxrEkrLxNEeYE4XtVGVbxUafXtDDn9JVzLv0ozsk7kuiGAib4H95PzVwkSoySC+4oAV7Jb+UD/dCpuIx7NcCTh0OEfVFa7OkUH48Yjkj655Q0MiZ15+ZD9Pdr3PQbN0I/7KuFL3HIfiGEjczpDhDHG3LCsvPOI1AHDT9kZsUozJctIM9WPEvhb43vCHk0MIWqmKI5Ya68jelsCc44iiBBETXCX2TjbvCfciW5oM4W8mcAR+Q9ETmR0DxL3R6GJJ0ruZqQY2P/COIjwa9/G53GohSV/xfxjbSB1CUpClkzN9JnLulMMA1YfLZ7hVcS6gN5alSaBYx2OLDIbb9VCi2INkZhB+KRO7o0Mm7/LlbcZgowILxMLjGqMFv+ushcYQMH4j5t0ruWv9cPzFmj+LNjLcXXGn3kC81OsWQx23s5BKcJGenNyiA7mkKPEKZ1cNHfiy/3MaISulPneqi1VG2X+E7tseOw9hBRDRGf9oJZcBeTPIEiqGG+bIJ1+J7Zh39mK7k6n9YJzVr6sBxpeFyuORb6L2JmCewG3ljDJe/yWg/0bzs+sxKN3zeGciGfeO3+ziM9rHMF/5tzFsD9PHAk5TkLT2y6ppfYwoN5re k0e7sUE+ RJWe4dKnjGgRaiAelNjyYmztkg2C48C95mCuStqj5bmKkW+Du3YvGR76Jj66BlM6HT9NYl7Ogg8v6Ln7cTqxTR/YCXFgUXvr+U0D9NlWKjimzkJvBkYI/lFKy0wogVjAEEzd8gEIsOFFvMgHWp8ldK/nHrGEX/BoCwmfIS0/m6cRez4/lZBFVISV9xAulQSWAQk9qF9UgltwgIYvcGnmjLxhgaBRHYWTT0gZxYLPZ7gZZsb5ComJR+CzzMMQOdI0RcHT7SvsHzdQwoNHLgph3qvXK1JpflasqvWO5/xPQOdy3izgh15R+6hvZQA== Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On 05/24, Christoph Hellwig wrote: > On Fri, May 22, 2026 at 02:04:59PM +0000, Jaegeuk Kim wrote: > > This was a quick buddyinfo right after booting the device. > > > > Before: > > Node 0, zone Normal 22684 42284 28704 16901 9515 4566 1854 673 181 36 758 > > > > After disabling EROFS large folio: > > Node 0, zone Normal 8486 4732 2175 1161 697 272 82 19 3 1 856 > > And what are you trying to say us with that? This means, high-order pages were used up by EROFS which sets large folio by default. So, I wanted to say the concern was based on actual data which was what Mattew asked. > > > > _______________________________________________ > Linux-f2fs-devel mailing list > Linux-f2fs-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel