On 04/07/22 at 03:36pm, Chris Down wrote:
> Omar Sandoval writes:
> > From: Omar Sandoval
> >
> > Commit 3ee48b6af49c ("mm, x86: Saving vmcore with non-lazy freeing of
> > vmas") introduced set_iounmap_nonlazy(), which sets vmap_lazy_nr to
> > lazy_max_pages() + 1, ensuring that any future vunmap
-Original Message-
> Hi Kazu,
>
> On Thu, 7 Apr 2022 06:43:00 +
> HAGIO KAZUHITO(萩尾 一仁) wrote:
>
> > -Original Message-
> > > Once the last dumpable page was processed there is no need to finish the
> > > loop to the last page. Thus exit early to improve performance.
> > >
>
Omar Sandoval writes:
From: Omar Sandoval
Commit 3ee48b6af49c ("mm, x86: Saving vmcore with non-lazy freeing of
vmas") introduced set_iounmap_nonlazy(), which sets vmap_lazy_nr to
lazy_max_pages() + 1, ensuring that any future vunmaps() immediately
purge the vmap areas instead of doing it lazil
Hi Kazu,
On Thu, 7 Apr 2022 06:43:00 +
HAGIO KAZUHITO(萩尾 一仁) wrote:
> -Original Message-
> > Once the last dumpable page was processed there is no need to finish the
> > loop to the last page. Thus exit early to improve performance.
> >
> > Signed-off-by: Philipp Rudo
> > ---
> >
> From: Omar Sandoval
>
> Commit 3ee48b6af49c ("mm, x86: Saving vmcore with non-lazy freeing of
> vmas") introduced set_iounmap_nonlazy(), which sets vmap_lazy_nr to
> lazy_max_pages() + 1, ensuring that any future vunmaps() immediately
> purge the vmap areas instead of doing it lazily.
>
> Comm