On Wed, Feb 03, 2021 at 02:04:30PM -0800, Mike Kravetz wrote:
> > @@ -3816,6 +3832,54 @@ int copy_hugetlb_page_range(struct mm_struct *dst,
> > struct mm_struct *src,
> > }
> > set_huge_swap_pte_at(dst, addr, dst_pte, entry, sz);
> > } else {
>
On Wed, Feb 03, 2021 at 01:15:03PM -0800, Linus Torvalds wrote:
> On Wed, Feb 3, 2021 at 1:08 PM Peter Xu wrote:
> >
> > This is the last missing piece of the COW-during-fork effort when there're
> > pinned pages found. One can reference 70e806e4e645 ("mm: Do early cow for
> > pinned pages
On 2/3/21 1:08 PM, Peter Xu wrote:
> This is the last missing piece of the COW-during-fork effort when there're
> pinned pages found. One can reference 70e806e4e645 ("mm: Do early cow for
> pinned pages during fork() for ptes", 2020-09-27) for more information, since
> we do similar things here
On Wed, Feb 3, 2021 at 1:08 PM Peter Xu wrote:
>
> This is the last missing piece of the COW-during-fork effort when there're
> pinned pages found. One can reference 70e806e4e645 ("mm: Do early cow for
> pinned pages during fork() for ptes", 2020-09-27) for more information, since
> we do
This is the last missing piece of the COW-during-fork effort when there're
pinned pages found. One can reference 70e806e4e645 ("mm: Do early cow for
pinned pages during fork() for ptes", 2020-09-27) for more information, since
we do similar things here rather than pte this time, but just for
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