linux-kernel - [PATCH 0/3] uprobes: teach uprobes to clear MMF_HAS

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Message-ID: <20120819164008.GA25454@redhat.com>
Date:	Sun, 19 Aug 2012 18:40:08 +0200
From:	Oleg Nesterov <oleg@...hat.com>
To:	Ingo Molnar <mingo@...e.hu>, Peter Zijlstra <peterz@...radead.org>,
	Srikar Dronamraju <srikar@...ux.vnet.ibm.com>
Cc:	Ananth N Mavinakayanahalli <ananth@...ibm.com>,
	Anton Arapov <anton@...hat.com>, linux-kernel@...r.kernel.org
Subject: [PATCH 0/3] uprobes: teach uprobes to clear MMF_HAS_UPROBES

Hello.

On top of "kill uprobes_state->count, add MMF_HAS_UPROBES"
series.

Once again, I am not sure we really need this (except 1/3).
Perhaps we could remove uprobe_munmap() instead and forget
about the false-positive MMF_HAS_UPROBES's.

OTOH, imho it looks a bit more clean this way. Please comment.

diffstat reports the code bloat, but note that the previous
series removed more code.

Oleg.

 include/linux/sched.h   |    3 +-
 kernel/events/uprobes.c |   82 +++++++++++++++++++++++++++++++++++++----------
 2 files changed, 67 insertions(+), 18 deletions(-)

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