Re: [PATCH v9 10/44] kasan: define KASAN_GRANULE_PAGE

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On Wed, 11 Nov 2020 at 19:48, Andrey Konovalov <andreyknvl@xxxxxxxxxx> wrote:
>
> On Wed, Nov 11, 2020 at 3:13 PM Alexander Potapenko <glider@xxxxxxxxxx> wrote:
> >
> > On Tue, Nov 10, 2020 at 11:11 PM Andrey Konovalov <andreyknvl@xxxxxxxxxx> wrote:
> > >
> > > Define KASAN_GRANULE_PAGE as (KASAN_GRANULE_SIZE << PAGE_SHIFT), which is
> > > the same as (KASAN_GRANULE_SIZE * PAGE_SIZE), and use it across KASAN code
> > > to simplify it.
> >
> > What's the physical sense behind KASAN_GRANULE_PAGE? Is it something
> > more than just a product of two constants?
>
> No, just a product.
>
> > The name suggests it might be something page-sized, but in reality it is not.
>
> What name would you prefer?

Is it actually KASAN_GRANULES_PER_SHADOW_PAGE ?   AFAIK we're trying
to calculate the granules that we can fit into a page of shadow
memory.




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