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 A087ECCF9EB for ; Thu, 26 Sep 2024 02:57:40 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id AB9346B00BB; Wed, 25 Sep 2024 22:57:39 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id A68B76B00BC; Wed, 25 Sep 2024 22:57:39 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 930546B00BD; Wed, 25 Sep 2024 22:57:39 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0012.hostedemail.com [216.40.44.12]) by kanga.kvack.org (Postfix) with ESMTP id 7478D6B00BB for ; Wed, 25 Sep 2024 22:57:39 -0400 (EDT) Received: from smtpin21.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay07.hostedemail.com (Postfix) with ESMTP id D363E161376 for ; Thu, 26 Sep 2024 02:57:38 +0000 (UTC) X-FDA: 82605378996.21.ED44A5B Received: from outboundhk.mxmail.xiaomi.com (outboundhk.mxmail.xiaomi.com [118.143.206.90]) by imf27.hostedemail.com (Postfix) with ESMTP id 272F140011 for ; Thu, 26 Sep 2024 02:57:35 +0000 (UTC) Authentication-Results: imf27.hostedemail.com; dkim=none; spf=pass (imf27.hostedemail.com: domain of gaoxiang17@xiaomi.com designates 118.143.206.90 as permitted sender) smtp.mailfrom=gaoxiang17@xiaomi.com; dmarc=pass (policy=quarantine) header.from=xiaomi.com ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1727319335; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=pJTmV9NpeQrRczMqBgbyLMu1+4DmwptQYH4oGz3ZSKI=; b=aXF4wawmRIAxf6PeLioW8VkLzT7JMhJWe64MJCUUWpup9aWg4PhSV/f2gESAa+MJhkOsxx shN5yaMTKQyzmtQRd+I8pFdvXLS1DBLHVU/xDT+876ClznI/c37t4yHg9EEt5wDvN8383h QECiZ88ePyi1nyHRXnLXmr/wtcCOhvY= ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1727319335; a=rsa-sha256; cv=none; b=gaMH2vgBnHImHqE+d/Cf8Y/ZBiGVnKUx2hKx47Lz//QSk1DWZ0w6rWTnRrUJFGRs3liqBX CL+PIHCvq78w04s2Mql8O7OqzKFr8vYKNLmtjOtHwQBnFbP7vEZcMJU7ldb7re1b3RxXqk wc/kyT1sdtrLPPkavOgB2eE8Jllj3W0= ARC-Authentication-Results: i=1; imf27.hostedemail.com; dkim=none; spf=pass (imf27.hostedemail.com: domain of gaoxiang17@xiaomi.com designates 118.143.206.90 as permitted sender) smtp.mailfrom=gaoxiang17@xiaomi.com; dmarc=pass (policy=quarantine) header.from=xiaomi.com X-CSE-ConnectionGUID: rFgUTxSMSZmZgXlorfhLsg== X-CSE-MsgGUID: kNl2bpiyQRWQIYFpl33p0A== X-IronPort-AV: E=Sophos;i="6.10,259,1719849600"; d="scan'208,217";a="97400292" From: =?gb2312?B?uN/P6A==?= To: Andrew Morton CC: Xiang Gao , "linux-mm@kvack.org" , "linux-kernel@vger.kernel.org" Subject: =?gb2312?B?tPC4tDogtPC4tDogW0V4dGVybmFsIE1haWxdUmU6IFtQQVRDSF0gbW0vY21h?= =?gb2312?B?LmM6IFRvIGJldHRlciB1bmRlcnN0YW5kIGNtYSBhcmVhIGR1cmluZyBkZWJ1?= =?gb2312?B?Z2dpbmcsIGFkZCB0b3RhbCBhbmQgdXNlZCBjb3VudCBsb2dzIHRvIGluIGNt?= =?gb2312?Q?a=5Falloc?= Thread-Topic: =?gb2312?B?tPC4tDogW0V4dGVybmFsIE1haWxdUmU6IFtQQVRDSF0gbW0vY21hLmM6IFRv?= =?gb2312?B?IGJldHRlciB1bmRlcnN0YW5kIGNtYSBhcmVhIGR1cmluZyBkZWJ1Z2dpbmcs?= =?gb2312?B?IGFkZCB0b3RhbCBhbmQgdXNlZCBjb3VudCBsb2dzIHRvIGluIGNtYV9hbGxv?= =?gb2312?Q?c?= Thread-Index: AQHbDuGyXww1cQzfZkKtLognutBLp7JoVCTG//+iAACAAWtE7w== Date: Thu, 26 Sep 2024 02:57:29 +0000 Message-ID: <853e26e655ad4ab8b136f3ac28eab08e@xiaomi.com> References: <20240918124325.109236-1-gxxa03070307@gmail.com> <20240924172719.a486793abd66643d9938081f@linux-foundation.org> ,<20240925061536.e8abdbac3217d85f6f99afd5@linux-foundation.org> In-Reply-To: <20240925061536.e8abdbac3217d85f6f99afd5@linux-foundation.org> Accept-Language: zh-CN, en-US Content-Language: zh-CN X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.149.37.171] Content-Type: multipart/alternative; boundary="_000_853e26e655ad4ab8b136f3ac28eab08exiaomicom_" MIME-Version: 1.0 X-Stat-Signature: xcnjnjdb3it3qt97akam5g78qycn6arp X-Rspamd-Queue-Id: 272F140011 X-Rspam-User: X-Rspamd-Server: rspam08 X-HE-Tag: 1727319455-900434 X-HE-Meta: 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 GfTr1ZsR 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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: List-Subscribe: List-Unsubscribe: --_000_853e26e655ad4ab8b136f3ac28eab08exiaomicom_ Content-Type: text/plain; charset="gb2312" Content-Transfer-Encoding: base64 SSBzZWUuDQoNCmJlZm9yZToNClsgICAyNC40MDc4MTRdIGNtYTogY21hX2FsbG9jKGNtYSAoX19f X3B0cnZhbF9fX18pLCBuYW1lOiByZXNlcnZlZCwgY291bnQgMSwgYWxpZ24gMCkNClsgICAyNC40 MTMzOTddIGNtYTogY21hX2FsbG9jKGNtYSAoX19fX3B0cnZhbF9fX18pLCBuYW1lOiByZXNlcnZl ZCwgY291bnQgMSwgYWxpZ24gMCkNClsgICAyNC40MTU4ODZdIGNtYTogY21hX2FsbG9jKGNtYSAo X19fX3B0cnZhbF9fX18pLCBuYW1lOiByZXNlcnZlZCwgY291bnQgMSwgYWxpZ24gMCkNCg0KYWZ0 ZXI6DQpbICAgMjQuMDk3OTg5XSBjbWE6IGNtYV9hbGxvYyhjbWEgKF9fX19wdHJ2YWxfX19fKSwg bmFtZTogcmVzZXJ2ZWQsIHRvdGFsIGNvdW50IDE2Mzg0LCB1c2VkIGNvdW50OiA2NCwgcmVxdWVz dCBjb3VudCAxLCBhbGlnbiAwKQ0KWyAgIDI0LjEwNDI2MF0gY21hOiBjbWFfYWxsb2MoY21hIChf X19fcHRydmFsX19fXyksIG5hbWU6IHJlc2VydmVkLCB0b3RhbCBjb3VudCAxNjM4NCwgdXNlZCBj b3VudDogNjUsIHJlcXVlc3QgY291bnQgMSwgYWxpZ24gMCkNClsgICAyNC4xMDc1MDRdIGNtYTog Y21hX2FsbG9jKGNtYSAoX19fX3B0cnZhbF9fX18pLCBuYW1lOiByZXNlcnZlZCwgdG90YWwgY291 bnQgMTYzODQsIHVzZWQgY291bnQ6IDY2LCByZXF1ZXN0IGNvdW50IDEsIGFsaWduIDApDQoNCg0K X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18NCreivP7IyzogQW5kcmV3IE1vcnRvbiA8 YWtwbUBsaW51eC1mb3VuZGF0aW9uLm9yZz4NCreiy83KsbzkOiAyMDI0xOo51MIyNcjVIDIxOjE1 OjM2DQrK1bz+yMs6ILjfz+gNCrOty806IFhpYW5nIEdhbzsgbGludXgtbW1Aa3ZhY2sub3JnOyBs aW51eC1rZXJuZWxAdmdlci5rZXJuZWwub3JnDQrW98ziOiBSZTogtPC4tDogW0V4dGVybmFsIE1h aWxdUmU6IFtQQVRDSF0gbW0vY21hLmM6IFRvIGJldHRlciB1bmRlcnN0YW5kIGNtYSBhcmVhIGR1 cmluZyBkZWJ1Z2dpbmcsIGFkZCB0b3RhbCBhbmQgdXNlZCBjb3VudCBsb2dzIHRvIGluIGNtYV9h bGxvYw0KDQpbzeKyv9PKvP5dILTL08q8/sC01LTT2tChw9e5q8u+zeKyv6Osx+u998n3tKbA7aGj yPS21NPKvP6wssir0NS05tLJo6zH672r08q8/teqt6K4+G1pc2VjQHhpYW9taS5jb229+NDQt7TA oQ0KDQpPbiBXZWQsIDI1IFNlcCAyMDI0IDEyOjAwOjU2ICswMDAwILjfz+ggPGdhb3hpYW5nMTdA eGlhb21pLmNvbT4gd3JvdGU6DQoNCj4gPiBbICAgMjQuMjI1MTI1XSBjbWE6IGNtYV9hbGxvYyhj bWEgKF9fX19wdHJ2YWxfX19fKSwgbmFtZTogcmVzZXJ2ZWQsIHRvdGFsIGNvdW50IDE2Mzg0LCB1 c2VkIGNvdW50OiA2NCwgcmVxdWVzdCBjb3VudCAxLCBhbGlnbiAwKQ0KPiA+IFsgICAyNC4yMzE5 NjNdIGNtYTogY21hX2FsbG9jKGNtYSAoX19fX3B0cnZhbF9fX18pLCBuYW1lOiByZXNlcnZlZCwg dG90YWwgY291bnQgMTYzODQsIHVzZWQgY291bnQ6IDY1LCByZXF1ZXN0IGNvdW50IDEsIGFsaWdu IDApDQo+ID4gWyAgIDI0LjIzNTcxMl0gY21hOiBjbWFfYWxsb2MoY21hIChfX19fcHRydmFsX19f XyksIG5hbWU6IHJlc2VydmVkLCB0b3RhbCBjb3VudCAxNjM4NCwgdXNlZCBjb3VudDogNjYsIHJl cXVlc3QgY291bnQgMSwgYWxpZ24gMCkNCj4gPg0KPg0KPg0KPiBBYm92ZSBpcyB0aGUgY21hIGFs bG9jIGR1cmluZyBib290LiBUaGUgYmVmb3JlLWFuZC1hZnRlciBjb250ZXh0IGhhcyBub3RoaW5n IHRvIGRvIHdpdGggY21hIGFsbG9jLiBCZWxvdyBpcyB0aGUgbG9nIHdpdGggYmVmb3JlLWFuZC1h ZnRlciBjb250ZXh0IGFkZGVkLg0KPg0KPg0KPiBbICAgMjQuMDA2NjA1XSBTZXJpYWw6IDgyNTAv MTY1NTAgZHJpdmVyLCA0IHBvcnRzLCBJUlEgc2hhcmluZyBlbmFibGVkDQo+IFsgICAyNC4wNzE2 NDRdIFNlcmlhbDogQU1CQSBkcml2ZXINCj4gWyAgIDI0LjA5NjA2M10gYXJtLXNtbXUtdjMgOTA1 MDAwMC5zbW11djM6IGlhcyA0NC1iaXQsIG9hcyA0NC1iaXQgKGZlYXR1cmVzIDB4MDAwMDAzMDUp DQo+IFsgICAyNC4wOTc5ODldIGNtYTogY21hX2FsbG9jKGNtYSAoX19fX3B0cnZhbF9fX18pLCBu YW1lOiByZXNlcnZlZCwgdG90YWwgY291bnQgMTYzODQsIHVzZWQgY291bnQ6IDY0LCByZXF1ZXN0 IGNvdW50IDEsIGFsaWduIDApDQo+IFsgICAyNC4xMDQyNjBdIGNtYTogY21hX2FsbG9jKGNtYSAo X19fX3B0cnZhbF9fX18pLCBuYW1lOiByZXNlcnZlZCwgdG90YWwgY291bnQgMTYzODQsIHVzZWQg Y291bnQ6IDY1LCByZXF1ZXN0IGNvdW50IDEsIGFsaWduIDApDQo+IFsgICAyNC4xMDc1MDRdIGNt YTogY21hX2FsbG9jKGNtYSAoX19fX3B0cnZhbF9fX18pLCBuYW1lOiByZXNlcnZlZCwgdG90YWwg Y291bnQgMTYzODQsIHVzZWQgY291bnQ6IDY2LCByZXF1ZXN0IGNvdW50IDEsIGFsaWduIDApDQo+ IFsgICAyNC4xNDA0OTVdIGNhY2hlaW5mbzogVW5hYmxlIHRvIGRldGVjdCBjYWNoZSBoaWVyYXJj aHkgZm9yIENQVSAwDQo+IFsgICAyNC40ODQ5OThdIGxvb3A6IG1vZHVsZSBsb2FkZWQNCj4gWyAg IDI0LjUzNjE1Ml0gdmlydGlvX2JsayB2aXJ0aW8wOiBbdmRhXSA0MTk0MzA0IDUxMi1ieXRlIGxv Z2ljYWwgYmxvY2tzICgyLjE1IEdCLzIuMDAgR2lCKQ0KDQpXaGF0IEkgbWVhbiBpcyB0byBwYXN0 ZSB0aGUgbWVzc2FnZXMgYmVmb3JlIHRoZSBwYXRjaCBhbmQgdG8gcGFzdGUgdGhlDQptZXNzYWdl cyBhZnRlciB0aGUgcGF0Y2guICBTbyByZWFkZXJzIGNhbiBlYXNpbHkgc2VlIHdoYXQgY2hhbmdl ZC4NCg0KIy8qKioqKiqxvtPKvP68sMbkuL28/rqs09DQocPXuavLvrXEsaPD3NDFz6KjrL32z97T 2reiy824+MnPw+a12Na31tDB0LP2tcS49sjLu/LIutfpoaO9+9a5yM66zsbky/vIy9LUyM66ztDO yr3KudPDo6iw/MCotauyu8/e09rIq7K/u/Kyv7fWtdjQucK2oaK4tNbGoaK78smit6KjqbG+08q8 /tbQtcTQxc+ioaPI57n7xPq07crVwcuxvtPKvP6jrMfrxPrBory0tee7sLvy08q8/s2o1qq3orz+ yMuyosm+s/2xvtPKvP6joSBUaGlzIGUtbWFpbCBhbmQgaXRzIGF0dGFjaG1lbnRzIGNvbnRhaW4g Y29uZmlkZW50aWFsIGluZm9ybWF0aW9uIGZyb20gWElBT01JLCB3aGljaCBpcyBpbnRlbmRlZCBv bmx5IGZvciB0aGUgcGVyc29uIG9yIGVudGl0eSB3aG9zZSBhZGRyZXNzIGlzIGxpc3RlZCBhYm92 ZS4gQW55IHVzZSBvZiB0aGUgaW5mb3JtYXRpb24gY29udGFpbmVkIGhlcmVpbiBpbiBhbnkgd2F5 IChpbmNsdWRpbmcsIGJ1dCBub3QgbGltaXRlZCB0bywgdG90YWwgb3IgcGFydGlhbCBkaXNjbG9z dXJlLCByZXByb2R1Y3Rpb24sIG9yIGRpc3NlbWluYXRpb24pIGJ5IHBlcnNvbnMgb3RoZXIgdGhh biB0aGUgaW50ZW5kZWQgcmVjaXBpZW50KHMpIGlzIHByb2hpYml0ZWQuIElmIHlvdSByZWNlaXZl IHRoaXMgZS1tYWlsIGluIGVycm9yLCBwbGVhc2Ugbm90aWZ5IHRoZSBzZW5kZXIgYnkgcGhvbmUg b3IgZW1haWwgaW1tZWRpYXRlbHkgYW5kIGRlbGV0ZSBpdCEqKioqKiovIw0K --_000_853e26e655ad4ab8b136f3ac28eab08exiaomicom_ Content-Type: text/html; charset="gb2312" Content-Transfer-Encoding: quoted-printable

I see.

before:
[   24.407814] cma: cma_alloc(cma (____ptrval____), name: re= served, count 1, align 0)
[   24.413397] cma: cma_alloc(cma (____ptrval____), name: re= served, count 1, align 0)
[   24.415886] cma: cma_alloc(cma (____ptrval____), name: re= served, count 1, align 0)

after:
[   24.097989] cma: cma_alloc(cma (____ptrval____), name: re= served, total count 16384, used count: 64, request count 1, align 0)
[   24.104260] cma: cma_alloc(cma (____ptrval____), name: re= served, total count 16384, used count: 65, request count 1, align 0)
[   24.107504] cma: cma_alloc(cma (____ptrval____), name: re= served, total count 16384, used count: 66, request count 1, align 0)


=B7=A2=BC=FE=C8=CB: Andre= w Morton <akpm@linux-foundation.org>
=B7=A2=CB=CD=CA=B1=BC=E4: 2024=C4=EA9=D4=C225=C8=D5 21:15:36
=CA=D5=BC=FE=C8=CB: =B8=DF=CF=E8
=B3=AD=CB=CD: Xiang Gao; linux-mm@kvack.org; linux-kernel@vger.kerne= l.org
=D6=F7=CC=E2: Re: =B4=F0=B8=B4: [External Mail]Re: [PATCH] mm/cma.c:= To better understand cma area during debugging, add total and used count l= ogs to in cma_alloc
 
[=CD=E2=B2=BF=D3=CA=BC=FE] =B4=CB=D3=CA=BC=FE=C0= =B4=D4=B4=D3=DA=D0=A1=C3=D7=B9=AB=CB=BE=CD=E2=B2=BF=A3=AC=C7=EB=BD=F7=C9=F7= =B4=A6=C0=ED=A1=A3=C8=F4=B6=D4=D3=CA=BC=FE=B0=B2=C8=AB=D0=D4=B4=E6=D2=C9=A3= =AC=C7=EB=BD=AB=D3=CA=BC=FE=D7=AA=B7=A2=B8=F8misec@xiaomi.com=BD=F8=D0=D0= =B7=B4=C0=A1

On Wed, 25 Sep 2024 12:00:56 +0000 =B8=DF=CF=E8 <gaoxiang17@xiaomi.c= om> wrote:

> > [   24.225125] cma: cma_alloc(cma (____ptrval____), nam= e: reserved, total count 16384, used count: 64, request count 1, align 0) > > [   24.231963] cma: cma_alloc(cma (____ptrval____), nam= e: reserved, total count 16384, used count: 65, request count 1, align 0) > > [   24.235712] cma: cma_alloc(cma (____ptrval____), nam= e: reserved, total count 16384, used count: 66, request count 1, align 0) > >
>
>
> Above is the cma alloc during boot. The before-and-after context has n= othing to do with cma alloc. Below is the log with before-and-after context= added.
>
>
> [   24.006605] Serial: 8250/16550 driver, 4 ports, IRQ shari= ng enabled
> [   24.071644] Serial: AMBA driver
> [   24.096063] arm-smmu-v3 9050000.smmuv3: ias 44-bit, oas 4= 4-bit (features 0x00000305)
> [   24.097989] cma: cma_alloc(cma (____ptrval____), name: re= served, total count 16384, used count: 64, request count 1, align 0)
> [   24.104260] cma: cma_alloc(cma (____ptrval____), name: re= served, total count 16384, used count: 65, request count 1, align 0)
> [   24.107504] cma: cma_alloc(cma (____ptrval____), name: re= served, total count 16384, used count: 66, request count 1, align 0)
> [   24.140495] cacheinfo: Unable to detect cache hierarchy f= or CPU 0
> [   24.484998] loop: module loaded
> [   24.536152] virtio_blk virtio0: [vda] 4194304 512-byte lo= gical blocks (2.15 GB/2.00 GiB)

What I mean is to paste the messages before the patch and to paste the
messages after the patch.  So readers can easily see what changed.

#/******=B1=BE=D3=CA=BC=FE=BC=B0=C6=E4=B8=BD=BC=FE=BA=AC=D3= =D0=D0=A1=C3=D7=B9=AB=CB=BE=B5=C4=B1=A3=C3=DC=D0=C5=CF=A2=A3=AC=BD=F6=CF=DE= =D3=DA=B7=A2=CB=CD=B8=F8=C9=CF=C3=E6=B5=D8=D6=B7=D6=D0=C1=D0=B3=F6=B5=C4=B8= =F6=C8=CB=BB=F2=C8=BA=D7=E9=A1=A3=BD=FB=D6=B9=C8=CE=BA=CE=C6=E4=CB=FB=C8=CB= =D2=D4=C8=CE=BA=CE=D0=CE=CA=BD=CA=B9=D3=C3=A3=A8=B0=FC=C0=A8=B5=AB=B2=BB=CF= =DE=D3=DA=C8=AB=B2=BF=BB=F2=B2=BF=B7=D6=B5=D8=D0=B9=C2=B6=A1=A2=B8=B4=D6=C6= =A1=A2=BB=F2=C9=A2=B7=A2=A3=A9=B1=BE=D3=CA=BC=FE=D6=D0=B5=C4=D0=C5=CF=A2=A1= =A3=C8=E7=B9=FB=C4=FA=B4=ED=CA=D5=C1=CB=B1=BE=D3=CA=BC=FE=A3=AC=C7=EB=C4=FA= =C1=A2=BC=B4=B5=E7=BB=B0=BB=F2=D3=CA=BC=FE=CD=A8=D6=AA=B7=A2=BC=FE=C8=CB=B2= =A2=C9=BE=B3=FD=B1=BE=D3=CA=BC=FE=A3=A1 This e-mail and its attachments con= tain confidential information from XIAOMI, which is intended only for the p= erson or entity whose address is listed above. Any use of the information contained= herein in any way (including, but not limited to, total or partial disclos= ure, reproduction, or dissemination) by persons other than the intended rec= ipient(s) is prohibited. If you receive this e-mail in error, please notify the sender by phone or email i= mmediately and delete it!******/# --_000_853e26e655ad4ab8b136f3ac28eab08exiaomicom_--