Re: [PATCH 2/5] Swapless V2: Add migration swap entries

[Andrew Morton]

Andrew Morton <akpm@xxxxxxxx> wrote:
>
> Perhaps it would be better to go to
>  sleep on some global queue, poke that queue each time a page migration
>  completes?

Or take mmap_sem for writing in do_migrate_pages()?  That takes the whole
pagefault path out of the picture.
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