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SubjectRe: Removing swap lockmap...

Stephen C. Tweedie writes:

> Now that we always keep the swap cache intact in mm/vmscan.c and only
> reclaim it in mm/filemap.c, we might in fact be safe omiting the swap
> lock. I'd be nervous about it without a _thorough_ audit of the code,
> though, as this particular race is hard to reproduce.

Plan: add a printk() for it and wait for someone to notice.
If you hear nothing by 2.2.3, get rid of the old crud.

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