Mel Gorman <mgorman@xxxxxxx> writes: > On Wed, Dec 03, 2014 at 08:53:37PM +0530, Aneesh Kumar K.V wrote: >> Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx> writes: >> >> > On Tue, 2014-12-02 at 12:57 +0530, Aneesh Kumar K.V wrote: >> >> Now, hash_preload can possibly insert an hpte in hash page table even if >> >> the access is not allowed by the pte permissions. But i guess even that >> >> is ok. because we will fault again, end-up calling hash_page_mm where we >> >> handle that part correctly. >> > >> > I think we need a test case... >> > >> >> I ran the subpageprot test that Paul had written. I modified it to ran >> with selftest. >> > > It's implied but can I assume it passed? Yes. -bash-4.2# ./subpage_prot test: subpage_prot tags: git_version:v3.17-rc3-13511-g0cd3756 allocated malloc block of 0x4000000 bytes at 0x0x3fffb0d10000 testing malloc block... OK success: subpage_prot -bash-4.2# -- 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>