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Tue, 23 May 2023 09:26:38 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id HfC5Es6GbGTEVAAAMHmgww (envelope-from ); Tue, 23 May 2023 09:26:38 +0000 Message-ID: Date: Tue, 23 May 2023 11:26:38 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.11.0 Subject: Re: [PATCH] mm/slab: rename CONFIG_SLAB to CONFIG_SLAB_DEPRECATED Content-Language: en-US To: Geert Uytterhoeven Cc: Christoph Lameter , Pekka Enberg , David Rientjes , Joonsoo Kim , Roman Gushchin , Hyeonggon Yoo <42.hyeyoo@gmail.com>, Shawn Guo , Sascha Hauer , Vladimir Zapolskiy , Andrew Lunn , Gregory Clement , Sebastian Hesselbarth , Tony Lindgren , Qin Jian , Thomas Bogendoerfer , Dinh Nguyen , "James E . J . Bottomley" , Helge Deller , Yoshinori Sato , Rich Felker , John Paul Adrian Glaubitz , "David S . Miller" , Richard Weinberger , Anton Ivanov , Johannes Berg , Andrew Morton , linux-snps-arc@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-omap@vger.kernel.org, linux-renesas-soc@vger.kernel.org, linux-tegra@vger.kernel.org, linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org, linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, linux-um@lists.infradead.org, linux-mm@kvack.org References: <20230523091139.21449-1-vbabka@suse.cz> From: Vlastimil Babka In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: 37AE5180002 X-Rspam-User: X-Stat-Signature: wuxy71qxbsc7wbkusqsbrifrjjsb988y X-Rspamd-Server: rspam01 X-HE-Tag: 1684833999-723578 X-HE-Meta: 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 zkGzRrmN 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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: On 5/23/23 11:22, Geert Uytterhoeven wrote: > Hi Vlastimil, > > Thanks for your patch! > > On Tue, May 23, 2023 at 11:12 AM Vlastimil Babka wrote: >> As discussed at LSF/MM [1] [2] and with no objections raised there, >> deprecate the SLAB allocator. Rename the user-visible option so that >> users with CONFIG_SLAB=y get a new prompt with explanation during make >> oldconfig, while make olddefconfig will just switch to SLUB. >> >> In all defconfigs with CONFIG_SLAB=y remove the line so those also >> switch to SLUB. Regressions due to the switch should be reported to >> linux-mm and slab maintainers. > > Technically, removing these lines from the defconfig files does not > have any impact, right? Well, it doesn't, but I thought it's at least a useful heads-up for the maintainers in case some have specific reasons for keeping SLAB there. > And it removes one more sync point indicating the last time some > defconfig files were (not) updated by their maintainers ;-) Sure, I can exclude yours (and anyone else who'd prefer that), the ack on the deprecation itself is sufficient. >> [1] https://lore.kernel.org/all/4b9fc9c6-b48c-198f-5f80-811a44737e5f@suse.cz/ >> [2] https://lwn.net/Articles/932201/ >> >> Signed-off-by: Vlastimil Babka > >> arch/m68k/configs/amiga_defconfig | 1 - >> arch/m68k/configs/apollo_defconfig | 1 - >> arch/m68k/configs/atari_defconfig | 1 - >> arch/m68k/configs/bvme6000_defconfig | 1 - >> arch/m68k/configs/hp300_defconfig | 1 - >> arch/m68k/configs/mac_defconfig | 1 - >> arch/m68k/configs/multi_defconfig | 1 - >> arch/m68k/configs/mvme147_defconfig | 1 - >> arch/m68k/configs/mvme16x_defconfig | 1 - >> arch/m68k/configs/q40_defconfig | 1 - >> arch/m68k/configs/sun3_defconfig | 1 - >> arch/m68k/configs/sun3x_defconfig | 1 - > > Regardless, > Acked-by: Geert Uytterhoeven Thanks! > Gr{oetje,eeting}s, > > Geert >