On Fri, Dec 20, 2013 at 04:19:15AM +0900, Linus Torvalds wrote:
> Yeah, that looks horribly buggy, if that's the intent.
>
> You can't just put_page() to remove something from the page cache. You
> need to do the whole "remove from radix tree" rigamarole, see for
> example delete_from_page_cache(). And you can't even do that blindly,
> because if the page is under writeback or otherwise busy, just
> removing it from the page cache and freeing it is wrong too.
Okay, I'll rewriting it to use truncate to free the pages.
-ben
> Linus
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