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 7C6ACC433F5 for ; Wed, 19 Jan 2022 13:49:34 +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=Zw/ouTCskqpJJGpGtpsIGfcaelR/r9V8Jqypf4xVtgk=; b=WgRrxp+k4XQAQY yHjktlEny0FEp4QvaAx2n8jxktjTsLp6vZm631LtbCFm7gwBflZqBTU4+BPMlnRelNqo/rA8v61SI edBd0P5kca1VBdBzU6YARRIjdqzaiBn2jmT9no76hl7IqrgSg9GFoGdxMSBP104JJBb7zK+T2fdhI 8UflCKM/Xcpbxd93EufMRqMBeuDX/dDgYpAT1ErYa7EpaoI+NXk0D9jfDa0d5iaaTnolcMrNqaz+c LgYnquW1fj1mm/ExSNV+Hp2SInQkYPpNzc0fZckubJaKqRvzrnKXxwP2x7+vnHFu8NMd2qn1Rt8gV RB68WBbCQ109SCttFSmw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nABJz-005jdn-LK; Wed, 19 Jan 2022 13:48:20 +0000 Received: from casper.infradead.org ([2001:8b0:10b:1236::1]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nABJv-005jcP-U5 for linux-arm-kernel@bombadil.infradead.org; Wed, 19 Jan 2022 13:48:15 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; 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=KXtnBmHR26VnyA5/MyeO0p5Mer/FOttvLvx2Yg5H/f0=; b=q307KYxlizBZChDxVWf50BNc7i ulkozYxgvKy0JvUzcELQya+co3ae/kHNFbO1y3/T6S4j4u1q9n27AiQpeEc9GpLDMLSVvksmQpPJK MnOEHc+PxkQY8WS6RXMiDj04z27Jr9OmVBz/rv0fcvN4azhZg8dQVHcGy+WMroOnLK3bySxG5A+xI LWqXJF+Jr7gv+tHXgGkVDEIF2ha516o0dx4gsz6ldb3tNDDk3wMbKx6lT5M3fygBiU12ICmzCpzXc 3HIhEJKLOdRJ6XLNvaHagY1xzR38gvmSE8gEDYjtJuNOqUATZ+WipQz+OHME+/GVUHEcyAgphvSQK QIPa9SLA==; Received: from willy by casper.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1nABJt-00AwLk-Qj; Wed, 19 Jan 2022 13:48:13 +0000 Date: Wed, 19 Jan 2022 13:48:13 +0000 From: Matthew Wilcox To: Kefeng Wang Cc: Nicholas Piggin , Andrew Morton , Jonathan Corbet , linux-arm-kernel@lists.infradead.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linuxppc-dev@lists.ozlabs.org, x86@kernel.org, Benjamin Herrenschmidt , Borislav Petkov , Catalin Marinas , Christophe Leroy , Dave Hansen , "H. Peter Anvin" , Ingo Molnar , Michael Ellerman , Paul Mackerras , Thomas Gleixner , Will Deacon Subject: Re: [PATCH v2 1/3] mm: vmalloc: Let user to control huge vmalloc default behavior Message-ID: References: <20211227145903.187152-1-wangkefeng.wang@huawei.com> <20211227145903.187152-2-wangkefeng.wang@huawei.com> <1642473992.qrnqczjfna.astroid@bobo.none> <93db576e-9a62-ee98-5af2-a62f8386212c@huawei.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <93db576e-9a62-ee98-5af2-a62f8386212c@huawei.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 T24gV2VkLCBKYW4gMTksIDIwMjIgYXQgMDk6NDQ6MjBQTSArMDgwMCwgS2VmZW5nIFdhbmcgd3Jv dGU6Cj4gCj4gT24gMjAyMi8xLzE5IDIxOjIyLCBNYXR0aGV3IFdpbGNveCB3cm90ZToKPiA+IE9u IFdlZCwgSmFuIDE5LCAyMDIyIGF0IDA4OjU3OjU4UE0gKzA4MDAsIEtlZmVuZyBXYW5nIHdyb3Rl Ogo+ID4gPiBPbmx5IHBhcnRzIG9mIG91ciBwcm9kdWN0cyB3YW50cyB0aGlzIGZlYXR1cmUswqAg d2UgYWRkIHNvbWUgaW50ZXJmYWNlcyB3aGljaAo+ID4gPiBvbmx5Cj4gPiA+IAo+ID4gPiBhbGxv YyBodWdldm1hbGxvYyBmb3IgdGhlbSwgZWcsCj4gPiA+IHZtYXBfaHVnZXBhZ2Uvdm1hbGxvY19o dWdlcGFnZS9yZW1hcF92bWFsbG9jX2h1Z2VwYWdlX3JhbmdlLi4KPiA+ID4gCj4gPiA+IGZvciBv dXIgcHJvZHVjdHMsIGJ1dCBpdCdzIG5vdCB0aGUgY2hvaWNlIG9mIG1vc3QgcHJvZHVjdHMsIGFs c28gYWRkCj4gPiA+IG5vaHVnZXZtYWxsb2MKPiA+ID4gCj4gPiA+IGZvciBtb3N0IHByb2R1Y3Rz IGlzIGV4cGVuc2l2ZSwgc28gdGhpcyBpcyB0aGUgcmVhc29uIGZvciBhZGRpbmcgdGhlIHBhdGNo Lgo+ID4gPiAKPiA+ID4gbW9yZSBjb25maWcvY21kbGluZSBhcmUgbW9yZSBmbGV4aWJsZSBmb3Ig dGVzdC9wcm9kdWN0c++8jAo+ID4gQnV0IHdoeSBkbyBvbmx5IHNvbWUgcHJvZHVjdHMgd2FudCBp dD8gIFdoYXQgZ29lcyB3cm9uZyBpZiBhbGwgcHJvZHVjdHMKPiA+IGVuYWJsZSBpdD8gIEZlYXR1 cmVzIHNob3VsZCBiZSBhdXRvLXR1bmluZywgbm90IHJlbHlpbmcgb24gYWRtaW5zIHRvCj4gPiB1 bmRlcnN0YW5kIHRoZW0uCj4gCj4gQmVjYXVzZSB0aGlzIGZlYXR1cmUgd2lsbCB1c2UgbW9yZSBt ZW1vcnkgZm9yIHZtYWxsb2Mvdm1hcCwgdGhhdCdzIHdoeSB3ZQo+IGFkZCBzb21lIGV4cGxpY2l0 Cj4gaW50ZXJmYWNlcyBhcyBzYWlkIGFib3ZlIGluIG91ciBrZXJuZWwgdG8gY29udHJvbCB0aGUg dXNlci4KCkhhdmUgeW91IHZhbGlkYXRlZCB0aGF0PyAgV2hhdCBzb3J0IG9mIHBlcmZvcm1hbmNl IHBlbmFsdHkgZG8geW91IHNlZT8KCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fCmxpbnV4LWFybS1rZXJuZWwgbWFpbGluZyBsaXN0CmxpbnV4LWFybS1rZXJu ZWxAbGlzdHMuaW5mcmFkZWFkLm9yZwpodHRwOi8vbGlzdHMuaW5mcmFkZWFkLm9yZy9tYWlsbWFu L2xpc3RpbmZvL2xpbnV4LWFybS1rZXJuZWwK