On 07/29, Song Liu wrote:
>
> This patch allows uprobe to use original page when possible (all uprobes
> on the page are already removed).
Again, the changelog is not 100% accurate. all uprobes removed _and_
the original page is in page cache and uptodate.
Otherwise looks correct...
Oleg.
Currently, uprobe swaps the target page with a anonymous page in both
install_breakpoint() and remove_breakpoint(). When all uprobes on a page
are removed, the given mm is still using an anonymous page (not the
original page).
This patch allows uprobe to use original page when possible (all uprobe
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