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Message-Id: <20190626060007.GA9158@linux.vnet.ibm.com>
Date:   Wed, 26 Jun 2019 11:30:07 +0530
From:   Srikar Dronamraju <srikar@...ux.vnet.ibm.com>
To:     Song Liu <songliubraving@...com>
Cc:     linux-kernel@...r.kernel.org, linux-mm@...ck.org,
        matthew.wilcox@...cle.com, kirill.shutemov@...ux.intel.com,
        peterz@...radead.org, oleg@...hat.com, rostedt@...dmis.org,
        kernel-team@...com, william.kucharski@...cle.com
Subject: Re: [PATCH v7 2/4] uprobe: use original page when all uprobes are
 removed

* Song Liu <songliubraving@...com> [2019-06-25 16:53:23]:

> 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 uprobes
> on the page are already removed).
> 
> Acked-by: Kirill A. Shutemov <kirill.shutemov@...ux.intel.com>
> Signed-off-by: Song Liu <songliubraving@...com>
> 
Looks good to me.

Reviewed-by: Srikar Dronamraju <srikar@...ux.vnet.ibm.com>

-- 
Thanks and Regards
Srikar Dronamraju

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