linux-kernel - Re: [PATCH 7/8] Scanner changes needed to implement per-container scanner

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

Message-ID: <465FC19B.8090905@linux.vnet.ibm.com>
Date:	Fri, 01 Jun 2007 12:20:03 +0530
From:	Balbir Singh <balbir@...ux.vnet.ibm.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
CC:	Pavel Emelianov <xemul@...nvz.org>,
	Paul Menage <menage@...gle.com>,
	Balbir Singh <balbir@...ibm.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	devel@...nvz.org, Kirill Korotaev <dev@...nvz.org>
Subject: Re: [PATCH 7/8] Scanner changes needed to implement per-container
 scanner

Andrew Morton wrote:
> 
>> +		nr_reclaimed += shrink_zones(priority, zones, sc);
>> +		if (sc->cnt == NULL)
>> +			shrink_slab(sc->nr_scanned, gfp_mask, lru_pages);
> 
> We don't we shrink slab if called to shrink a container.
> 
> This is a fundamental design decision, and a design shortcoming.  A full
> discussion of this is absolutely appropriate to the patch changelog. 
> Please don't just hide stuff like this in the patch and leave people
> wondering, or ignorant.

Yes, we don't because we do not account for slab usage right now. We account
only for memory allocated to user space. A good fat comment will help here.


-- 
	Warm Regards,
	Balbir Singh
	Linux Technology Center
	IBM, ISTL
-
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/