On Tue, Jul 21, 2026 at 12:09 AM Peter Xu <[email protected]> wrote:
>
> On Tue, Jul 14, 2026 at 07:45:42PM +0530, Aadeshveer Singh wrote:
> > +static void ramblock_pending_bmap_init(void)
> > +{
> > +    RAMBlock *rb;
> > +
> > +    RAMBLOCK_FOREACH_NOT_IGNORED(rb) {
> > +        assert(!rb->pending_bmap);
> > +        size_t size = rb->max_length >> qemu_target_page_bits();
>
> I forgot one thing here: I think it should use qemu_ram_pagesize(), for
> huge pages when the fault thread or eager load thread want to figure how
> who to do the work, it should always be in host psize, not guest-psize,
> because that's the granule userfaultfd's UFFDIO_COPY/ZEROPAGE uses.
>

Hi Peter,

Thanks for pointing this out; I think I noted that but missed changing it.
I will address this in the next version.

> > +        rb->pending_bmap = bitmap_new(size);
> > +        bitmap_set(rb->pending_bmap, 0, size);
> > +    }
> > +}
>
> --
> Peter Xu
>

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