Re: [PATCH v2] x86/mm/vmfault: Make vmalloc_fault() handle large pages

2016-02-16 Thread Toshi Kani
On Sat, 2016-02-13 at 12:54 +0100, Borislav Petkov wrote: > On Thu, Feb 11, 2016 at 05:27:16PM -0700, Toshi Kani wrote: > > The following oops was observed when a read syscall was made to > > a pmem device after a huge amount (>512GB) of vmalloc ranges was > > allocated by ioremap() on a x86_64 sys

Re: [PATCH v2] x86/mm/vmfault: Make vmalloc_fault() handle large pages

2016-02-13 Thread Borislav Petkov
On Thu, Feb 11, 2016 at 05:27:16PM -0700, Toshi Kani wrote: > The following oops was observed when a read syscall was made to > a pmem device after a huge amount (>512GB) of vmalloc ranges was > allocated by ioremap() on a x86_64 system. > > BUG: unable to handle kernel paging request at 8808