On Tue, 13 Mar 2012 14:36:54 -0700, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> wrote: > On Tue, 13 Mar 2012 12:37:07 +0530 > "Aneesh Kumar K.V" <aneesh.kumar@xxxxxxxxxxxxxxxxxx> wrote: > > > + return ERR_PTR(-VM_FAULT_SIGBUS); > > whee, so we have (ab)used the err.h infrastructure to carry > VM_FAULT_foo codes, thus creating a secret requirement that the > VM_FAULT_foo values not exceed MAX_ERRNO. > > What a hack, whodidthat? e0dcd8a05be438b3d2e49ef61441ea3a463663f8. We only do that in hugetlb. I will add a cleanup patch that will return proper error and map them in the caller to return SIGBUS. -aneesh -- 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/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>