Re: [PATCH v8 2/4] uprobe: use original page when all uprobes are removed

From: Oleg Nesterov
Date: Wed Jul 24 2019 - 05:07:39 EST

On 07/24, Song Liu wrote:
> This patch allows uprobe to use original page when possible (all uprobes
> on the page are already removed).

and only if the original page is already in the page cache and uptodate,

another reason why I think unmap makes more sense... but I won't argue.