On Fri, Dec 16, 2016 at 09:21:59AM +0100, Vegard Nossum wrote: > Apart from adding the helper function itself, the rest of the kernel is > converted mechanically using: > > git grep -l 'atomic_inc.*mm_count' | xargs sed -i 's/atomic_inc(&\(.*\)->mm_count);/mmgrab\(\1\);/' > git grep -l 'atomic_inc.*mm_count' | xargs sed -i 's/atomic_inc(&\(.*\)\.mm_count);/mmgrab\(\&\1\);/' > > This is needed for a later patch that hooks into the helper, but might be > a worthwhile cleanup on its own. Given the desire to replace all refcounting with a specific refcount type, this seems to make sense. FYI: http://www.openwall.com/lists/kernel-hardening/2016/12/07/8 But I must say mmget() vs mmgrab() is a wee bit confusing. -- 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>