On Thu, Aug 13, 2015 at 12:45:33AM +0000, Naoya Horiguchi wrote: > From: Naoya Horiguchi <n-horiguchi@xxxxxxxxxxxxx> > Subject: [PATCH] mm: hugetlb: proc: add HugetlbPages field to /proc/PID/status > > Currently there's no easy way to get per-process usage of hugetlb pages, which > is inconvenient because userspace applications which use hugetlb typically want > to control their processes on the basis of how much memory (including hugetlb) > they use. So this patch simply provides easy access to the info via > /proc/PID/status. > > With this patch, for example, /proc/PID/status shows a line like this: > > HugetlbPages: 20480 kB (10*2048kB) > > If your system supports and enables multiple hugepage sizes, the line looks > like this: > > HugetlbPages: 1069056 kB (1*1048576kB 10*2048kB) > > , so you can easily know how many hugepages in which pagesize are used by a > process. > > Signed-off-by: Naoya Horiguchi <n-horiguchi@xxxxxxxxxxxxx> Acked-by: Joern Engel <joern@xxxxxxxxx> Jörn -- Computer system analysis is like child-rearing; you can do grievous damage, but you cannot ensure success." -- Tom DeMarco -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>