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 9031FC433F5 for ; Mon, 10 Jan 2022 16:08:06 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 1452D6B0071; Mon, 10 Jan 2022 11:08:06 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 0F49B6B0072; Mon, 10 Jan 2022 11:08:06 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id EFE536B0074; Mon, 10 Jan 2022 11:08:05 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0142.hostedemail.com [216.40.44.142]) by kanga.kvack.org (Postfix) with ESMTP id E2D616B0071 for ; Mon, 10 Jan 2022 11:08:05 -0500 (EST) Received: from smtpin26.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay04.hostedemail.com (Postfix) with ESMTP id A57289634C for ; Mon, 10 Jan 2022 16:08:05 +0000 (UTC) X-FDA: 79014858930.26.BA69062 Received: from esa.hc5016-32.iphmx.com (esa.hc5016-32.iphmx.com [207.54.81.235]) by imf08.hostedemail.com (Postfix) with ESMTP id 66B96160019 for ; Mon, 10 Jan 2022 16:08:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=harman.com; i=@harman.com; q=dns/txt; s=CES-HARMAN1; t=1641830885; x=1673366885; h=from:to:subject:date:message-id:references:in-reply-to: content-transfer-encoding:mime-version; bh=t2aK5eKwcYfL3yEYWx1Vd5uwuhNowXE9hgfUGr4nApc=; b=U6XwFDAOjIJDf/gB+KukaO2Sb8y+mlTml/DwGK9CoatjRJofR6wG1lj1 wBll2iKv2Kwm9tRTOypyZRtTP9GvOjZf/yQYr/9rr+/nB7M7GAz2fm1Y0 wXqOAjVzR9h1G/xv+bfRShQyUg2GZm9NjY/UeKsz9IBTV5XH59TY3+IdP a/bgLX4ZQTywHdZSYNYD4LyN0Hg2YELOd/xneAum6EYxTjVAAtdlQx3Ua WXVecDnV44m5xnebrAFhow9qYDQknxFACMzVSwrbW7ZhagLpDUot6L2Aj KQ4mCjSY6WxYh7sQXgfRhJ61sZ0f25RhUBdMLXNJZsKHSell3YzYPmiPb A==; IronPort-SDR: 5T5RX2k3N4ZEKk6ZGksv2zm3ONEKsoyR6Gy1n/c3x8sZxADN/2ZGzM3fEuMQaEhrfbkMKQAIpD a2T+IyrnocFv4EE4OwTFOe4NV34vHq44ay6F7Ucyg6mysioB9u07ihwoPcsv8x2Z/vl+3HV9+g NNr/VDKnX0OOEGq6hB7kAjhTTh9Za0H0//pU8bcECKOy9yPD8f0APlNwglDff6Z1kTICl9q0eC DwCkHN4P09tCe9yZZGbAI/7g6bYV1ubqG3np7iwCD4dccFBas38L5TZRzU//Ji+6pl4EZDMNMi /vyGG6Bp3hvw7p1KdTqFbX9z X-IronPort-AV: E=McAfee;i="6200,9189,10222"; a="24212578" X-IronPort-AV: E=Sophos;i="5.88,277,1635220800"; d="scan'208";a="24212578" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from unknown (HELO HIBDWSMB09.ad.harman.com) ([202.45.6.41]) by esa3.hc5016-32.iphmx.com with ESMTP/TLS/ECDHE-RSA-AES256-SHA384; 10 Jan 2022 11:08:03 -0500 Received: from HIBDWSMB03.ad.harman.com (10.99.236.93) by HIBDWSMB09.ad.harman.com (10.99.236.103) with Microsoft SMTP Server (TLS) id 15.0.1497.26; Mon, 10 Jan 2022 21:38:00 +0530 Received: from HIBDWSMB03.ad.harman.com (10.99.236.93) by HIBDWSMB03.ad.harman.com (10.99.236.93) with Microsoft SMTP Server (TLS) id 15.0.1497.26; Mon, 10 Jan 2022 21:38:00 +0530 Received: from HIBDWSMB03.ad.harman.com ([fe80::c93:57c:9471:3348]) by HIBDWSMB03.ad.harman.com ([fe80::c93:57c:9471:3348%13]) with mapi id 15.00.1497.026; Mon, 10 Jan 2022 21:37:59 +0530 From: "Ranjan, Vikash" To: David Hildenbrand , "linux-mm@kvack.org" Subject: RE: [EXTERNAL] Re: memory_block_size reduction in memory hot plug, can we reduced it to 1GB, currently it is 4GB Thread-Topic: [EXTERNAL] Re: memory_block_size reduction in memory hot plug, can we reduced it to 1GB, currently it is 4GB Thread-Index: AQHYBVQkzZJSvSJloUeDfym1Tl7hiaxcZQWQ Date: Mon, 10 Jan 2022 16:07:59 +0000 Message-ID: <0106b4c9c9e740d5927cf805712ebe3f@HIBDWSMB03.ad.harman.com> References: <14101f99fda548dc960e2041a6807536@HIBDWSMB03.ad.harman.com> <4821e34b-b7b5-a281-588d-fe8242856b6b@redhat.com> In-Reply-To: <4821e34b-b7b5-a281-588d-fe8242856b6b@redhat.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.70.50.4] Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 Authentication-Results: imf08.hostedemail.com; dkim=pass header.d=harman.com header.s=CES-HARMAN1 header.b=U6XwFDAO; dmarc=pass (policy=reject) header.from=harman.com; spf=pass (imf08.hostedemail.com: domain of Vikash.Ranjan@harman.com designates 207.54.81.235 as permitted sender) smtp.mailfrom=Vikash.Ranjan@harman.com X-Rspamd-Server: rspam12 X-Rspamd-Queue-Id: 66B96160019 X-Stat-Signature: hmxz8h3fqhm583k4qcnm4ci45fm9wshw X-HE-Tag: 1641830884-721845 X-Bogosity: Ham, tests=bogofilter, spamicity=0.002729, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: SGkgRGF2aWQsDQoNCllvdSB3ZXJlIHJpZ2h0ICwgaW4gbXkgc291cmNlIGNvZGUgDQphcmNoL2Fy bTY0L2luY2x1ZGUvYXNtL3NwYXJzZW1lbS5oOiNkZWZpbmUgU0VDVElPTl9TSVpFX0JJVFMgMzAg YXJjaC9hcm02NC9pbmNsdWRlL2FzbS9zcGFyc2VtZW0uaDojZGVmaW5lIFNFQ1RJT05fU0laRV9C SVRTIDI3DQoNCkkgbmVlZCB5b3VyIGlucHV0IG9uIGJlbG93Lg0KMSkgY3VycmVudGx5IGR1ZSB0 byBjb2RlICggaWYgKHBoeXNfYWRkciAmICgocGFnZXNfcGVyX2Jsb2NrIDw8IFBBR0VfU0hJRlQp IC0gMSkpIHJldHVybiAtRUlOVkFMOykgYXMgb2Ygbm93IHdlIGNvdWxkIGdpdmUgc3RhcnQgYWRk ciBpbiB0aGUgaW5jcmVhc2luZyBzdGVwIG9mIDQwMDAwMDAwIHN1Y2ggYXMgOTQwMDAwMDAwLDk4 MDAwMDAwMCw5QzAwMDAwMDAuIEhvd2V2ZXIgd2UgY2Fubm90IGdpdmUgIDk1MDAwMDAwLDk5MDAw MDAwMCw5ZDAwMDAwMDAuIENhbiB3ZSBnaXZlIHN0YXJ0IGFkZHJlc3Mgd2hpY2ggaXMgbm90IGlu IHN0ZXAgb2YgNDAwMDAwMDANCg0KMikgWW91IHdlcmUgcmlnaHQgTUlOX01FTU9SWV9CTE9DS19T SVpFIGlzIDEgR0IsIGNhbiB3ZSBmdXJ0aGVyIHJlZHVjZSBtZW1vcnkgcmVnaW9uIGxlbmd0aCB0 byAxMjggTUIgb3IgaXQgd2lsbCBiZSBnb29kIGlmIHdlIGNhbiBtYWtlIGl0IGN1c3RvbWl6YWJs ZSggZXZlbiBzbWFsbGVyIHRoZW4gMTI4IE1CKS4gIExpa2UgaW4gb3VyIHN5c3RlbSBJIHdhbnQg dG8gaG90LXBsdWcgbWVtb3J5IHdoaWNoIGlzIHN0YXJ0aW5nIGZyb20gOWUwMDAwMDAwIHRvIDll MzAwMDAwMCwgQXMgd2UgY2FuIHNlZSBtZW1vcnkgcmVnaW9uIGlzIGRlcGVuZGVudCBvbiBNSU5f TUVNT1JZX0JMT0NLX1NJWkUgaW4gYmVsb3cgY29kZS4NCg0KcmV0ID0gX19hZGRfbWVtb3J5KG5p ZCwgcGh5c19hZGRyLA0KICAgICAgICAgICAgICAgICAgICAgICAgICAgTUlOX01FTU9SWV9CTE9D S19TSVpFICogc2VjdGlvbnNfcGVyX2Jsb2NrKTsNCg0KDQpNeSBhc2sgZm9yIGFib3ZlIGlzIGR1 ZSB0byBub24tYXZhaWxhYmlsaXR5IG9mIG5vbiAtcmVzZXJ2ZWQgbWVtb3J5IGluIGNvbnRpbnVv dXMgYmlnZ2VyIGNodW5rIGluIG91ciBzeXN0ZW0uIA0KDQpQbGVhc2UgbGV0IG1lIGtub3cgeW91 ciBpbnB1dCBpZiB3ZSBjYW4gZG8gdGhlIHNhbWUuDQoNClRoYW5rcywNClZpa2FzaA0KDQoNCi0t LS0tT3JpZ2luYWwgTWVzc2FnZS0tLS0tDQpGcm9tOiBEYXZpZCBIaWxkZW5icmFuZCA8ZGF2aWRA cmVkaGF0LmNvbT4gDQpTZW50OiBTdW5kYXksIEphbnVhcnkgOSwgMjAyMiA1OjU2IFBNDQpUbzog UmFuamFuLCBWaWthc2ggPFZpa2FzaC5SYW5qYW5AaGFybWFuLmNvbT47IGxpbnV4LW1tQGt2YWNr Lm9yZw0KU3ViamVjdDogW0VYVEVSTkFMXSBSZTogbWVtb3J5X2Jsb2NrX3NpemUgcmVkdWN0aW9u IGluIG1lbW9yeSBob3QgcGx1ZywgY2FuIHdlIHJlZHVjZWQgaXQgdG8gMUdCLCBjdXJyZW50bHkg aXQgaXMgNEdCDQoNCltFWFRFUk5BTCBFTUFJTF0NCg0KSGkNCg0KPiANCj4gV2UgYXJlIHRyeWlu ZyB0byBlbmFibGUgbWVtb3J5IGhvdCBwbHVnIGZvciBvdXIgZGV2aWNlJ3MgYmFzZWQgb24gDQo+ IGFybTY0LCBpcyBpdCBwb3NzaWJsZSB0byByZWR1Y2UgbWVtb3J5X2Jsb2NrX3NpemUgdG8gMSBH QiBvciBsZXNzZXIgYXMgDQo+IGN1cnJlbnRseSBpdCBpcyA0R0IuDQoNCi4uLiBhcmUgeW91IHN1 cmUgaXQncyA0R0I/IEkgbmV2ZXIgaGVhcmQgdGhhdCBtYWdpYyBudW1iZXIgb24gYXJtNjQgYmVm b3JlLiBUaGUgc2VjdGlvbiBzaXplIGlzIDUxMiBNaUIgb24gYXJtNjQgd2l0aCA2NGsgYW5kIDEy OCBNaUIgd2l0aCA0ay4NClZpa2FzaC0tLSB5ZXMgRGF2aWQgeW91IHdlcmUgcmlnaHQuIA0KPiAN Cj4gSWYgeW91IGhhdmUgYW55IGluZm8gb24gdXBkYXRlZCBwYXRjaCBvciBhbnkgb3RoZXIgd2F5 IHdlIGNhbiBkbyB0aGlzLCANCj4gcGxlYXNlIGxldCB1cyBrbm93Lg0KPiANCj4gwqBBZnRlciBh cHBseWluZyBhdHRhY2hlZCB0ZXN0IHBhdGNoIChmb3IgcmVkdWN0aW9uIG9mIA0KPiBtZW1vcnlf YmxvY2tfc2l6ZSB0byAxIEdCKSx3ZSBhcmUgZ2V0dGluZyBiZWxvdyBlcnJvci4gUHJvYmUgaXMg d29ya2luZyBmaW5lIGluIGNhc2Ugb2YgNEdCLg0KPiANCg0KSSB0aGluayBJIGFtIG1pc3Npbmcg c29tZXRoaW5nIGltcG9ydGFudC4NCg0KI2RlZmluZSBNSU5fTUVNT1JZX0JMT0NLX1NJWkUgICAg ICgxVUwgPDwgU0VDVElPTl9TSVpFX0JJVFMpDQoNCmFyY2gvYXJtNjQvaW5jbHVkZS9hc20vc3Bh cnNlbWVtLmg6I2RlZmluZSBTRUNUSU9OX1NJWkVfQklUUyAyOSBhcmNoL2FybTY0L2luY2x1ZGUv YXNtL3NwYXJzZW1lbS5oOiNkZWZpbmUgU0VDVElPTl9TSVpFX0JJVFMgMjcNCg0KLT4gNTEyIE1p QiAvIDEyOCBNaUINCmFybTY0IGRvZXMgbm90IG92ZXJyaWRlIG1lbW9yeV9ibG9ja19zaXplX2J5 dGVzKCksIHNvIGl0IG1hdGNoZXMgZXhhY3RseSB0aGVzZSBudW1iZXJzLg0KDQoxKSANCi0tDQpU aGFua3MsDQoNCkRhdmlkIC8gZGhpbGRlbmINCg0K