On 5/23/22 11:57 AM, Vincent Fu wrote: > Instead of relying on a platform-specific default huge page size, try to > parse /proc/meminfo to get the huge page size when it is not explicitly > specified as an option. It's really sad that there isn't a nice way to get this information, but parsing meminfo will only get you one of them. Eg on my laptop: axboe@m1 ~> cat /proc/meminfo | grep -i size Hugepagesize: 32768 kB But if you look in: axboe@m1 ~> ls /sys/kernel/mm/hugepages/ hugepages-1048576kB/ hugepages-2048kB/ hugepages-32768kB/ and each directory has entries for increasing the number of them and how many are currently there. Parsing /sys/kernel/mm/hugepages/ is probably a better idea than meminfo. -- Jens Axboe
