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From: Oleg Nesterov <oleg@redhat.com>
To: Song Liu <songliubraving@fb.com>
Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org,
	akpm@linux-foundation.org, matthew.wilcox@oracle.com,
	kirill.shutemov@linux.intel.com, kernel-team@fb.com,
	william.kucharski@oracle.com, srikar@linux.vnet.ibm.com
Subject: Re: [PATCH v10 2/4] uprobe: use original page when all uprobes are removed
Date: Tue, 30 Jul 2019 18:58:02 +0200	[thread overview]
Message-ID: <20190730165801.GF18501@redhat.com> (raw)
In-Reply-To: <20190730052305.3672336-3-songliubraving@fb.com>

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.


  reply	other threads:[~2019-07-30 16:59 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-07-30  5:23 [PATCH v10 0/4] THP aware uprobe Song Liu
2019-07-30  5:23 ` [PATCH v10 1/4] mm: move memcmp_pages() and pages_identical() Song Liu
2019-07-30  5:23 ` [PATCH v10 2/4] uprobe: use original page when all uprobes are removed Song Liu
2019-07-30 16:58   ` Oleg Nesterov [this message]
2019-07-30  5:23 ` [PATCH v10 3/4] mm, thp: introduce FOLL_SPLIT_PMD Song Liu
2019-07-30 16:11   ` Oleg Nesterov
2019-07-30 17:42     ` Song Liu
2019-07-31 15:18       ` Oleg Nesterov
2019-07-31 17:10         ` Song Liu
2019-08-01 15:04           ` Oleg Nesterov
2019-07-30  5:23 ` [PATCH v10 4/4] uprobe: use FOLL_SPLIT_PMD instead of FOLL_SPLIT Song Liu

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