On 05/01/2017 11:00 AM, Prakash Sangappa wrote: > This patch adds a new hugetlbfs mount option 'noautofill', to indicate that > pages should not be allocated at page fault time when accessed thru mmapped > address. I think the main argument against doing something like this is further specializing hugetlbfs. I was really hoping that userfaultfd would be usable for your needs here. Could you elaborate on other options that you considered? Did you look at userfaultfd? What about an madvise() option that disallows backing allocations? -- 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>
