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[98.15.154.102]) by smtp.gmail.com with ESMTPSA id d12sm207370qka.60.2021.08.24.07.54.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 24 Aug 2021 07:54:38 -0700 (PDT) Date: Tue, 24 Aug 2021 10:56:21 -0400 From: Johannes Weiner To: Vlastimil Babka Cc: Andrew Morton , linux-mm@kvack.org, linux-kernel@vger.kernel.org, kernel-team@fb.com Subject: Re: [PATCH 2/4] mm: Kconfig: group swap, slab, hotplug and thp options into submenus Message-ID: References: <20210819195533.211756-1-hannes@cmpxchg.org> <20210819195533.211756-2-hannes@cmpxchg.org> <0c438e9d-7879-a1c1-7641-5c0dc00f5163@suse.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <0c438e9d-7879-a1c1-7641-5c0dc00f5163@suse.cz> X-Rspamd-Queue-Id: 36ABFD0000A2 Authentication-Results: imf15.hostedemail.com; dkim=pass header.d=cmpxchg-org.20150623.gappssmtp.com header.s=20150623 header.b=ca041X05; dmarc=pass (policy=none) header.from=cmpxchg.org; spf=pass (imf15.hostedemail.com: domain of hannes@cmpxchg.org designates 209.85.222.169 as permitted sender) smtp.mailfrom=hannes@cmpxchg.org X-Rspamd-Server: rspam01 X-Stat-Signature: 4fru4zzzc11j9s46qqk68d7ontsfminr X-HE-Tag: 1629816880-175774 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 Tue, Aug 24, 2021 at 02:03:43PM +0200, Vlastimil Babka wrote: > On 8/19/21 21:55, Johannes Weiner wrote: > > There are several clusters of related config options spread throughout > > the mostly flat MM submenu. Group them together and put specialization > > options into further subdirectories to make the MM section a bit more > > organized and easier to navigate. > > > > Signed-off-by: Johannes Weiner > > Acked-by: Vlastimil Babka Thanks, Vlastimil! > Note: > > > -config ZBUD > > - tristate "Low (Up to 2x) density storage for compressed pages" > > - help > > - A special purpose allocator for storing compressed pages. > > - It is designed to store up to two compressed pages per physical > > - page. While this design limits storage density, it has simple and > > - deterministic reclaim properties that make it preferable to a higher > > - density approach when reclaim will be used. > > - > > The whole large hunk with deletion part of the block move will be rejected in > current trees because this is apparently based on older commit than 2a03085ce887 > ("mm/zbud: don't export any zbud API") which adds a "depends on ZPOOL" to the > above. It's thus also missing in the add hunk part of the move and if not > careful when resolving the reject, the depend will then be missing in the result. Thanks for the headsup. Yeah I forgot to rebase before sending from an older branch, I'll be sure to do that (paying attention to the zpool depends) before sending the next version.