On Thu, Jun 16, 2016 at 11:22:46AM +0200, Vitaly Kuznetsov wrote: > _count -> _refcount rename in commit 0139aa7b7fa12 ("mm: rename _count, > field of the struct page, to _refcount") broke kdump. makedumpfile(8) does > stuff like READ_MEMBER_OFFSET("page._count", page._count) and fails. While > it is definitely possible to fix this particular tool I'm not sure about > other tools which might be doing the same. > > I suggest we remember the "we don't break userspace" rule and revert for > 4.7 while it's not too late. Err, sorry - this is not "userspace". It's crazy crap digging into kernel internal structure. The rename was absolutely useful, so fix up your stinking pike in kdump. -- 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>