On Fri, Apr 13, 2018 at 05:21:02AM +0000, Vitaly Wool wrote: > Hi Guenter, > > > Den fre 13 apr. 2018 kl 00:01 skrev Guenter Roeck <li...@roeck-us.net>: > > > Hi all, > > > we are observing crashes with z3pool under memory pressure. The kernel > version > > used to reproduce the problem is v4.16-11827-g5d1365940a68, but the > problem was > > also seen with v4.14 based kernels. > > > just before I dig into this, could you please try reproducing the errors > you see with https://patchwork.kernel.org/patch/10210459/ applied? >
As mentioned above, I tested with v4.16-11827-g5d1365940a68, which already includes this patch. $ git log --oneline v4.14..5d1365940a68 mm/z3fold.c 8a97ea546bb6 mm/z3fold.c: use gfpflags_allow_blocking 1ec6995d1290 z3fold: fix memory leak 5c9bab592f53 z3fold: limit use of stale list for allocation f144c390f905 mm: docs: fix parameter names mismatch 5d03a6613957 mm/z3fold.c: use kref to prevent page free/compact race Guenter
