Re: [PATCH mm-hotfixses] Revert "mm: limit filemap_fault readahead to VMA boundaries"

[Suren Baghdasaryan]

On Mon, Jun 22, 2026 at 10:11 AM Matthew Wilcox <willy@xxxxxxxxxxxxx> wrote:
>
> On Mon, Jun 22, 2026 at 09:58:55AM -0700, Andrew Morton wrote:
> > > > much as I personally find restricting mmap readahead to a VMA a sensible
> > > > thing to do). We just need to figure out how to improve the Android
> > > > usecase.
> >
> > Would a helpful heuristic be to do what 7b32f64bc512 is doing, but only
> > if PROT_EXEC?
>
> I was wondering the same thing.  But I think it's right to back this out
> for now and try that after -rc1 so it gets some time soaking and
> bot-teesting.

Thanks for the suggestion! That sounds sensible to me.

>