On Fri, Apr 9, 2021 at 9:34 PM Muchun Song wrote:
>
> On Sat, Apr 10, 2021 at 2:31 AM Johannes Weiner wrote:
> >
> > On Fri, Apr 09, 2021 at 08:29:50PM +0800, Muchun Song wrote:
> > > The noinline_for_stack is introduced by commit 666356297ec4 ("vmscan:
> > > set up pagevec as late as possible in
On Sat, Apr 10, 2021 at 2:31 AM Johannes Weiner wrote:
>
> On Fri, Apr 09, 2021 at 08:29:50PM +0800, Muchun Song wrote:
> > The noinline_for_stack is introduced by commit 666356297ec4 ("vmscan:
> > set up pagevec as late as possible in shrink_inactive_list()"), its
> > purpose is to delay the allo
On Fri, Apr 09, 2021 at 08:29:50PM +0800, Muchun Song wrote:
> The noinline_for_stack is introduced by commit 666356297ec4 ("vmscan:
> set up pagevec as late as possible in shrink_inactive_list()"), its
> purpose is to delay the allocation of pagevec as late as possible to
> save stack memory. But
On Fri, Apr 09, 2021 at 08:29:50PM +0800, Muchun Song wrote:
> The noinline_for_stack is introduced by commit 666356297ec4 ("vmscan:
> set up pagevec as late as possible in shrink_inactive_list()"), its
> purpose is to delay the allocation of pagevec as late as possible to
> save stack memory. But
The noinline_for_stack is introduced by commit 666356297ec4 ("vmscan:
set up pagevec as late as possible in shrink_inactive_list()"), its
purpose is to delay the allocation of pagevec as late as possible to
save stack memory. But the commit 2bcf88796381 ("mm: take pagevecs off
reclaim stack") repla
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