On Mon, Jan 11, 2021 at 05:26:20PM +0300, Kirill A. Shutemov wrote:
> On Fri, Jan 08, 2021 at 05:15:15PM +, Will Deacon wrote:
> > diff --git a/include/linux/mm.h b/include/linux/mm.h
> > index ecdf8a8cd6ae..801dd99f733c 100644
> > --- a/include/linux/mm.h
> > +++ b/include/linux/mm.h
> > @@ -5
On Fri, Jan 08, 2021 at 05:15:15PM +, Will Deacon wrote:
> From: "Kirill A. Shutemov"
>
> alloc_set_pte() has two users with different requirements: in the
> faultaround code, it called from an atomic context and PTE page table
> has to be preallocated. finish_fault() can sleep and allocate p
From: "Kirill A. Shutemov"
alloc_set_pte() has two users with different requirements: in the
faultaround code, it called from an atomic context and PTE page table
has to be preallocated. finish_fault() can sleep and allocate page table
as needed.
PTL locking rules are also strange, hard to follo
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