linux-kernel - how to vm_munmap memory range for other processes?

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Date:	Wed, 8 Aug 2012 15:46:23 +0800
From:	Richard Zhao <richard.zhao@...escale.com>
To:	<viro@...iv.linux.org.uk>
CC:	<dirk.behme@...bosch.com>, <shawn.guo@...aro.org>,
	<linux-kernel@...r.kernel.org>
Subject: how to vm_munmap memory range for other processes?

Hi Al,

I saw two commits from you in git tree:
17d1587 unexport do_munmap()
bfce281 kill mm argument of vm_munmap()

They remove the mm arguments, so it look like impossible to unmap
memory of other processes except current.

I have a kernel module that needs to unmap memory for certain pid. Do
you have any idea how to do it?

Thanks
Richard

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/