From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2978FC433EF for ; Tue, 14 Dec 2021 14:28:42 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id B45CE6B0075; Tue, 14 Dec 2021 09:28:31 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id AF4446B0074; Tue, 14 Dec 2021 09:28:31 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 9BCB96B0075; Tue, 14 Dec 2021 09:28:31 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (relay.a.hostedemail.com [64.99.140.24]) by kanga.kvack.org (Postfix) with ESMTP id 8D7DE6B0071 for ; Tue, 14 Dec 2021 09:28:31 -0500 (EST) Received: from smtpin04.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay01.hostedemail.com (Postfix) with ESMTP id 6567460666 for ; Tue, 14 Dec 2021 14:28:21 +0000 (UTC) X-FDA: 78916630002.04.A404D31 Received: from mail-qk1-f173.google.com (mail-qk1-f173.google.com [209.85.222.173]) by imf26.hostedemail.com (Postfix) with ESMTP id 0D920140006 for ; Tue, 14 Dec 2021 14:28:20 +0000 (UTC) Received: by mail-qk1-f173.google.com with SMTP id b67so16865311qkg.6 for ; Tue, 14 Dec 2021 06:28:20 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cmpxchg-org.20210112.gappssmtp.com; s=20210112; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=0mEhtUHa3In092LmFmhKJEI0iaOCZlUUVXCaetRX6yo=; b=3noOipxlcOqvV7IUx9TxpmIpufDyVpNVRvbJ9PXJXgXLNA2TjMILUiDlLVI0LUIhiP wXLLwE44ulXTaJNKPwl+Q5NUK5mFIYb1FDXkG+nc3btXkYGlWDBsILIyXvBPUZZGGtfG BahbRYodtKSSV2vvgYNdq36jDWWAs6O62NK7HEaVfYVOfM9dqzG4VjItRwBntTnDO3ca hKs29fEGkiYQfaev8jeGQWP9QpmYiseRktHmJqS41RRCEw6yq+GZJUw15M640bngTNJF xrKPHqt638XoytQyy910uyCt2PDSTeIcX3CC1mneu3RVDkxP8KRn2t+J6GqgAnEqB422 r0Xg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=0mEhtUHa3In092LmFmhKJEI0iaOCZlUUVXCaetRX6yo=; b=yd1K5IrulLxdsbttNCx3IF9qINMFTnkHGLQCifoXlUBtSlazCl8l48ca3vLU/vGGDF 1Odko2Uqp7f/cbWrzfVWewJ4mCzEpJlQICjUBHmtoagqifei25mZaGsqsTK4doD5Lsg1 tJAlnz3ZJcY8jERgJJdj0M8+9bL6qcSBwNFu4CgWFOkW/yAJ6aHjfpaCPGynRGPd0reh 9g5trPj8TGf+YsNZtZLpf6zZC2YR5U5TlhovIoS+n7Wn5MaiR9mFf5Ldm1lQw/9i8C1Z pXa/+bDYbBPf5yFAh+yWdeGFA8BYF0tixs9EB/dQO2/H1JqdBDCiPea46A8NsNq5bvpy nYtQ== X-Gm-Message-State: AOAM5315HIqp+/vjXocZiqgIk9lDznYyLstGa5/YKRU7WbQXzeY0TUlw lihOzWaAW2QoYJQmSHaB5+85uQ== X-Google-Smtp-Source: ABdhPJzmyIjJbeXrsKQTgThfe8Qk3T74+v8nY1M5Xo32hGFboszz1/WB8WbuwqojQPh5dhivXO2yLA== X-Received: by 2002:a05:620a:ccc:: with SMTP id b12mr4260001qkj.147.1639492100394; Tue, 14 Dec 2021 06:28:20 -0800 (PST) Received: from localhost ([2620:10d:c091:480::1:e1e4]) by smtp.gmail.com with ESMTPSA id 22sm42704qtw.12.2021.12.14.06.28.19 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 14 Dec 2021 06:28:20 -0800 (PST) Date: Tue, 14 Dec 2021 15:28:17 +0100 From: Johannes Weiner To: Vlastimil Babka Cc: Matthew Wilcox , Christoph Lameter , David Rientjes , Joonsoo Kim , Pekka Enberg , linux-mm@kvack.org, Andrew Morton , patches@lists.linux.dev Subject: Re: [PATCH v2 07/33] mm: Convert __ksize() to struct slab Message-ID: References: <20211201181510.18784-1-vbabka@suse.cz> <20211201181510.18784-8-vbabka@suse.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20211201181510.18784-8-vbabka@suse.cz> X-Rspamd-Server: rspam03 X-Rspamd-Queue-Id: 0D920140006 X-Stat-Signature: h3cjr8xjbmxyjg4bqfyadgfane3x1533 Authentication-Results: imf26.hostedemail.com; dkim=pass header.d=cmpxchg-org.20210112.gappssmtp.com header.s=20210112 header.b=3noOipxl; spf=pass (imf26.hostedemail.com: domain of hannes@cmpxchg.org designates 209.85.222.173 as permitted sender) smtp.mailfrom=hannes@cmpxchg.org; dmarc=pass (policy=none) header.from=cmpxchg.org X-HE-Tag: 1639492100-989573 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 Wed, Dec 01, 2021 at 07:14:44PM +0100, Vlastimil Babka wrote: > From: "Matthew Wilcox (Oracle)" > > In SLUB, use folios, and struct slab to access slab_cache field. > In SLOB, use folios to properly resolve pointers beyond > PAGE_SIZE offset of the object. > > [ vbabka@suse.cz: use folios, and only convert folio_test_slab() == true folios > to struct slab ] > > Signed-off-by: Matthew Wilcox (Oracle) > Signed-off-by: Vlastimil Babka Awesome. Acked-by: Johannes Weiner