Re: [QUESTION] arm64: mmap to the hugetlbfs with hugepagesize=512M got SIGILL
From: David Hildenbrand <hidden>
Date: 2021-06-01 15:00:31
Also in:
linux-mm
On 01.06.21 11:34, Yongqiang Liu wrote:
Hi Catalin and Will, when we mmap the addr NULL with MAP_FIXED flag to the hugetlbfs, system will return NULL successfully. My question is: Why mmap to file with the hugepagesize=512M we got SIGILL but mmap to the file with hugepagesize=2M we got a success ? Here is my test steps: 1. echo 10 > /sys/kernel/mm/hugepages/hugepages-2048kB/nr_hugepages echo 10 > /sys/kernel/mm/hugepages/hugepages-524288kB/nr_hugepages
Which values do you get when you read back these knobs? -- Thanks, David / dhildenb _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel