On Wed, 21 Jan 2015 11:43:13 +0530 Shiraz Hashim <shashim@xxxxxxxxxxxxxx> wrote: > walk_page_range silently skips vma having VM_PFNMAP set, > which leads to undesirable behaviour at client end (who > called walk_page_range). For example for pagemap_read, > when no callbacks are called against VM_PFNMAP vma, > pagemap_read may prepare pagemap data for next virtual > address range at wrong index. This changelog doesn't have enough information for me to be able to work out whether a -stable backport is needed. Please always describe the user-visible effects of a bug. -- 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>