Dave Hansen writes:
[...]
>
> It makes much more sense to have something like:
>
> if (ret == ISOLATION_IMPOSSIBLE) {
> list_del(&page->lru);
> list_add(&page->lru, src);
> }
>
> than
>
> + if (rc == -1) { /* Not possible to isolate */
> + list_del(&page->lru);
> + list_add(&page->lru, src);
> + } if
And
if (ret == ISOLATION_IMPOSSIBLE)
list_move(&page->lru, src);
is even better.
Nikita.
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