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Mon, 27 Nov 2023 22:26:00 -0500 X-MC-Unique: WLJMPzMwPQKD8zSJIA65RQ-1 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.rdu2.redhat.com [10.11.54.3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 5490485A5BD; Tue, 28 Nov 2023 03:26:00 +0000 (UTC) Received: from localhost (unknown [10.72.112.30]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 64EDD1121307; Tue, 28 Nov 2023 03:25:59 +0000 (UTC) Date: Tue, 28 Nov 2023 11:25:56 +0800 From: Baoquan He To: Shijie Huang Cc: Huang Shijie , k-hagio-ab@nec.com, lijiang@redhat.com, akpm@linux-foundation.org, vgoyal@redhat.com, dyoung@redhat.com, kexec@lists.infradead.org, linux-kernel@vger.kernel.org, patches@amperecomputing.com Subject: Re: [PATCH] crash_core: export vmemmap when CONFIG_SPARSEMEM_VMEMMAP is enabled Message-ID: References: <20231127020727.25296-1-shijie@os.amperecomputing.com> <33021b87-4c6a-45fc-a6ae-265765cfcd78@amperemail.onmicrosoft.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <33021b87-4c6a-45fc-a6ae-265765cfcd78@amperemail.onmicrosoft.com> X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.3 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231127_192610_852155_57F15178 X-CRM114-Status: GOOD ( 17.10 ) X-BeenThere: kexec@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: "kexec" Errors-To: kexec-bounces+kexec=archiver.kernel.org@lists.infradead.org T24gMTEvMjcvMjMgYXQgMTE6MThhbSwgU2hpamllIEh1YW5nIHdyb3RlOgo+IAo+IOWcqCAyMDIz LzExLzI3IDEwOjUxLCBCYW9xdWFuIEhlIOWGmemBkzoKPiA+IEhpLAo+ID4gCj4gPiBPbiAxMS8y Ny8yMyBhdCAxMDowN2FtLCBIdWFuZyBTaGlqaWUgd3JvdGU6Cj4gPiA+IEluIG1lbW9yeV9tb2Rl bC5oLCBpZiBDT05GSUdfU1BBUlNFTUVNX1ZNRU1NQVAgaXMgY29uZmlnZWQsCj4gPiA+IGtlcm5l bCB3aWxsIHVzZSB2bWVtbWFwIHRvIGRvIHRoZSBfX3Bmbl90b19wYWdlL3BhZ2VfdG9fcGZuLAo+ ID4gPiBhbmQga2VybmVsIHdpbGwgbm90IHVzZSB0aGUgImNsYXNzaWMgc3BhcnNlIiB0byBkbyB0 aGUKPiA+ID4gX19wZm5fdG9fcGFnZS9wYWdlX3RvX3Bmbi4KPiA+ID4gCj4gPiA+IFNvIGV4cG9y dCB0aGUgdm1lbW1hcCB3aGVuIENPTkZJR19TUEFSU0VNRU1fVk1FTU1BUCBpcyBjb25maWdlZC4K PiA+ID4gVGhpcyBtYWtlcyB0aGUgdXNlciBhcHBsaWNhdGlvbnMgKGNyYXNoLCBldGMpIGdldCBm YXN0ZXIKPiA+ID4gcGZuX3RvX3BhZ2UvcGFnZV90b19wZm4gb3BlcmF0aW9ucyB0b28uCj4gPiBB cmUgdGhlcmUgQ3Jhc2ggb3IgbWFrZWR1cGZpbGUgcGF0Y2hlcyBwb3N0ZWQgeWV0IHRvIG1ha2Ug dXNlIG9mIHRoaXM/Cj4gCj4gSSBoYXZlIHBhdGNoZXMgZm9yIENyYXNoIHRvIHVzZSB0aGUgJ3Zt ZW1tYXAnLCBidXQgYWZ0ZXIgdGhpcyBwYXRjaCBpcwo+IG1lcmdlZCwgSSB3aWxsIHNlbmQgaXQg b3V0Lgo+IAo+IChJIHRoaW5rIEthenUgd2lsbCBub3QgbWVyZ2UgYSBjcmFzaCBwYXRjaCB3aGlj aCBkZXBlbmRzIG9uIGEga2VybmVsIHBhdGNoCj4gd2hpY2ggaXMgbm90IG1lcmdlZC4pCgpNYXli ZSBwb3N0IHRoZXNlIHVzZXJzcGFjZSBwYXRjaGVzIHRvbyBzbyB0aGF0IEthenUgY2FuIGV2YWx1 YXQgaWYgdGhvc2UKaW1wcm92ZW1lbnQgaXMgbmVjZXNzYXJ5PwoKCl9fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmtleGVjIG1haWxpbmcgbGlzdAprZXhlY0Bs aXN0cy5pbmZyYWRlYWQub3JnCmh0dHA6Ly9saXN0cy5pbmZyYWRlYWQub3JnL21haWxtYW4vbGlz dGluZm8va2V4ZWMK