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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 88E82ECAAA1 for ; Fri, 2 Sep 2022 07:44:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=WaMXJaIXAsutuTygSG807MeM5k9In2MO5HpCW4Pr378=; b=iEkHWhcY1eWSl2 yhaCPObLODGsb0jkj1aTWTGSRkVyoNpCRkCFvyf+wff+bufGayTNzV8BcI+QMbBkePksOqgFSwi7D XRj9+CpmQGCkumlb4yv68EH3EDG6pjYYQI1ckbOGuKDI0O7xtnXR8U21519FpanqyMsRjdalCfxl1 7eZ2oHSJaCf1o3UKHe7khNeEuEbHKWSlTDbauNcGgpluWp7WzA1wm7dDGv0C2p3YZ3vNJ6wGNay23 u2wAPMrqnfE6Dz5YsOzogFgGhddgkxuf8b939TEYHSCQmyFs3oFXLMJ0rfeFAZutbZ4lVDygJNqXz +UeM+6Nb6QiPxOWLy97w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1oU1KW-001PGK-46; Fri, 02 Sep 2022 07:43:08 +0000 Received: from desiato.infradead.org ([2001:8b0:10b:1:d65d:64ff:fe57:4e05]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1oU1KT-001PF7-OC for linux-arm-kernel@bombadil.infradead.org; Fri, 02 Sep 2022 07:43:05 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=desiato.20200630; h=In-Reply-To:Content-Transfer-Encoding: Content-Type:MIME-Version:References:Message-ID:Subject:Cc:To:From:Date: Sender:Reply-To:Content-ID:Content-Description; bh=OTkZ6uS66u1w+Hbm6TtejxpZoX4M4S5NPkBcQcAWCKc=; b=PnZijlpR1pOR1iufsipFUsPYmX wbuCNPHruLPvnd9YD9OGZaAbljCpwQ375yyM4LxLPNodHP7yyl8nCBECEYTFiQVqc4YVxSJ/V2dlh O/8jbSYyMnq7pIMy+I3eQIfZaErVmTLPipUltIDJnf+p51iDa+Z64wSxdGbbuLpDZVmryFk/FF5GN cP5Tu6T2zNfa688WKGMlX+v33GIJwYaMwjVzwszIeAy17yanlRL0xUsMQD41ZBgPm/IX3evr0bd8h t52Sf3vBachUsH2aTamhLXAmPGIVVmxbsmm6eJm2OoDfb4u1z/Ab3fdh7EznyK7iKAahKesRs1Ztw 16OOfd2w==; Received: from j130084.upc-j.chello.nl ([24.132.130.84] helo=noisy.programming.kicks-ass.net) by desiato.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1oU1KH-008c53-Ly; Fri, 02 Sep 2022 07:42:55 +0000 Received: from hirez.programming.kicks-ass.net (hirez.programming.kicks-ass.net [192.168.1.225]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits)) (Client did not present a certificate) by noisy.programming.kicks-ass.net (Postfix) with ESMTPS id 9BFA230010B; Fri, 2 Sep 2022 09:42:51 +0200 (CEST) Received: by hirez.programming.kicks-ass.net (Postfix, from userid 1000) id 793AE2B89F172; Fri, 2 Sep 2022 09:42:51 +0200 (CEST) Date: Fri, 2 Sep 2022 09:42:51 +0200 From: Peter Zijlstra To: Suren Baghdasaryan Cc: akpm@linux-foundation.org, michel@lespinasse.org, jglisse@google.com, mhocko@suse.com, vbabka@suse.cz, hannes@cmpxchg.org, mgorman@suse.de, dave@stgolabs.net, willy@infradead.org, liam.howlett@oracle.com, ldufour@linux.ibm.com, laurent.dufour@fr.ibm.com, paulmck@kernel.org, luto@kernel.org, songliubraving@fb.com, peterx@redhat.com, david@redhat.com, dhowells@redhat.com, hughd@google.com, bigeasy@linutronix.de, kent.overstreet@linux.dev, rientjes@google.com, axelrasmussen@google.com, joelaf@google.com, minchan@google.com, kernel-team@android.com, linux-mm@kvack.org, linux-arm-kernel@lists.infradead.org, linuxppc-dev@lists.ozlabs.org, x86@kernel.org, linux-kernel@vger.kernel.org Subject: Re: [RFC PATCH RESEND 00/28] per-VMA locks proposal Message-ID: References: <20220901173516.702122-1-surenb@google.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20220901173516.702122-1-surenb@google.com> X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org T24gVGh1LCBTZXAgMDEsIDIwMjIgYXQgMTA6MzQ6NDhBTSAtMDcwMCwgU3VyZW4gQmFnaGRhc2Fy eWFuIHdyb3RlOgo+IFRoaXMgaXMgYSBwcm9vZiBvZiBjb25jZXB0IGZvciBwZXItdm1hIGxvY2tz IGlkZWEgdGhhdCB3YXMgZGlzY3Vzc2VkCj4gZHVyaW5nIFNQRiBbMV0gZGlzY3Vzc2lvbiBhdCBM U0YvTU0gdGhpcyB5ZWFyIFsyXSwgd2hpY2ggY29uY2x1ZGVkIHdpdGgKPiBzdWdnZXN0aW9uIHRo YXQg4oCcYSByZWFkZXIvd3JpdGVyIHNlbWFwaG9yZSBjb3VsZCBiZSBwdXQgaW50byB0aGUgVk1B Cj4gaXRzZWxmOyB0aGF0IHdvdWxkIGhhdmUgdGhlIGVmZmVjdCBvZiB1c2luZyB0aGUgVk1BIGFz IGEgc29ydCBvZiByYW5nZQo+IGxvY2suIFRoZXJlIHdvdWxkIHN0aWxsIGJlIGNvbnRlbnRpb24g YXQgdGhlIFZNQSBsZXZlbCwgYnV0IGl0IHdvdWxkIGJlIGFuCj4gaW1wcm92ZW1lbnQu4oCdIFRo aXMgcGF0Y2hzZXQgaW1wbGVtZW50cyB0aGlzIHN1Z2dlc3RlZCBhcHByb2FjaC4KClRoZSB3aG9s ZSByZWFzb24gSSBzdGFydGVkIHRoZSBTUEYgdGhpbmcgd2FheSBiYWNrIHdoZW4gd2FzIGJlY2F1 c2Ugb25lCm9mIHRoZSBwcmltYXJ5IHJlcG9ydGVycyBhdCB0aGUgdGltZSBoYWQgdmVyeSBsYXJn ZSBWTUFzIGFuZCBhIHBlci12bWEKbG9jayB3b3VsZG4ndCBhY3R1YWxseSBoZWxwIGFueXRoaW5n IGF0IGFsbC4KCklJUkMgaXQgd2FzIGVpdGhlciBzY2llbnRpZmljIGNvZGUgaW5pdGlhbGl6aW5n IGEgaHVnZSBtYXRyaXggb3IgYQpkYXRhYmFzZSB3aXRoIGEgZ2lhbnQgdGFibGU7IEknbSBzdXJl IHRoZSBhcmNoaXZlcyBoYXZlIGJldHRlciBtZW1vcnkKdGhhbiBtZS4KCgpfX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpsaW51eC1hcm0ta2VybmVsIG1haWxp bmcgbGlzdApsaW51eC1hcm0ta2VybmVsQGxpc3RzLmluZnJhZGVhZC5vcmcKaHR0cDovL2xpc3Rz LmluZnJhZGVhZC5vcmcvbWFpbG1hbi9saXN0aW5mby9saW51eC1hcm0ta2VybmVsCg==