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[91.12.105.206]) by smtp.gmail.com with ESMTPSA id l18sm3315252wrt.97.2021.06.01.08.00.24 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 01 Jun 2021 08:00:24 -0700 (PDT) Subject: Re: [QUESTION] arm64: mmap to the hugetlbfs with hugepagesize=512M got SIGILL To: Yongqiang Liu , catalin.marinas@arm.com, will.deacon@arm.com Cc: linux-arm-kernel@lists.infradead.org, linux-mm@kvack.org, wangkefeng.wang@huawei.com References: From: David Hildenbrand Organization: Red Hat Message-ID: Date: Tue, 1 Jun 2021 17:00:24 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.10.1 MIME-Version: 1.0 In-Reply-To: Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=david@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Language: en-US X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210601_080029_710014_3C932B4B X-CRM114-Status: GOOD ( 14.63 ) 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-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org T24gMDEuMDYuMjEgMTE6MzQsIFlvbmdxaWFuZyBMaXUgd3JvdGU6Cj4gSGkgQ2F0YWxpbiBhbmQg V2lsbCwKPiAKPiB3aGVuIHdlIG1tYXAgdGhlIGFkZHIgTlVMTCB3aXRoIE1BUF9GSVhFRCBmbGFn IHRvIHRoZSBodWdldGxiZnMsIHN5c3RlbQo+IHdpbGwgcmV0dXJuIE5VTEwgc3VjY2Vzc2Z1bGx5 Lgo+IAo+IE15IHF1ZXN0aW9uIGlzOiBXaHkgbW1hcCB0byBmaWxlIHdpdGggdGhlIGh1Z2VwYWdl c2l6ZT01MTJNwqAgd2UgZ290Cj4gU0lHSUxMIGJ1dCBtbWFwIHRvIHRoZSBmaWxlIHdpdGggaHVn ZXBhZ2VzaXplPTJNIHdlIGdvdCBhIHN1Y2Nlc3MgPyBIZXJlCj4gaXMgbXkgdGVzdCBzdGVwczoK PiAKPiAgIMKgwqDCoCAxLiBlY2hvIDEwID4gL3N5cy9rZXJuZWwvbW0vaHVnZXBhZ2VzL2h1Z2Vw YWdlcy0yMDQ4a0IvbnJfaHVnZXBhZ2VzCj4gCj4gICDCoMKgwqAgwqDCoMKgIGVjaG8gMTAgPiAv c3lzL2tlcm5lbC9tbS9odWdlcGFnZXMvaHVnZXBhZ2VzLTUyNDI4OGtCL25yX2h1Z2VwYWdlcwoK V2hpY2ggdmFsdWVzIGRvIHlvdSBnZXQgd2hlbiB5b3UgcmVhZCBiYWNrIHRoZXNlIGtub2JzPwoK Ci0tIApUaGFua3MsCgpEYXZpZCAvIGRoaWxkZW5iCgoKX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX18KbGludXgtYXJtLWtlcm5lbCBtYWlsaW5nIGxpc3QKbGlu dXgtYXJtLWtlcm5lbEBsaXN0cy5pbmZyYWRlYWQub3JnCmh0dHA6Ly9saXN0cy5pbmZyYWRlYWQu b3JnL21haWxtYW4vbGlzdGluZm8vbGludXgtYXJtLWtlcm5lbAo=