[PATCH v2 0/1] UBUNTU SAUCE [aws]: improve swapoff performance

[Andrea Righi]

On Mon, Jan 06, 2020 at 02:56:36PM +0100, Kleber Souza wrote:
> Hi Andrea,
> 
> On 2019-12-17 09:58, Andrea Righi wrote:
> > BugLink: https://bugs.launchpad.net/bugs/1831940
> 
> This bug report has already been marked as 'Fix Released'. Could you please
> file a new report for this additional fix for hibernation?
> 
> 
> Thanks,
> Kleber

New bug created specifically for this issue:

BugLink: https://bugs.launchpad.net/bugs/1858618

Thanks,
-Andrea

> 
> > 
> > This is the v2 of the patch to improve swapoff performance on AWS
> > instances.
> > 
> > This patch has been tested with positive results and it is required to
> > properly support hibernation in the AWS environment..
> > 
> > Changes in v2:
> >  - removed unnecessary READ_ONCE/WRITE_ONCE in swapin_nr_pages()
> >    (thanks to Sultan for the review)
> > 
> > ----------------------------------------------------------------
> > Andrea Righi (1):
> >       UBUNTU SAUCE [aws]: mm: swap: improve swap readahead heuristic
> > 
> >  mm/swap.c       |  2 +-
> >  mm/swap_state.c | 60 +++++++++---------------------------------------------------
> >  2 files changed, 10 insertions(+), 52 deletions(-)
> > 
> >