From: chrubis@suse.cz
To: Zhouping Liu <zliu@redhat.com>
Cc: LTP List <ltp-list@lists.sourceforge.net>
Subject: Re: [LTP] [PATCH 1/3] mm/thp: new case thp04.c
Date: Mon, 15 Apr 2013 14:21:12 +0200 [thread overview]
Message-ID: <20130415122112.GB1091@rei> (raw)
In-Reply-To: <51628513.4000702@redhat.com>
Hi!
> here 10s is similar with one inside wait_ksmd_done() (see lib/mem.c)
>
> 10s is an interval for khugepaged to finish scan process's transparent
> hugepages, and at the beginning,
> khugepaged/[scan_sleep_millisecs|alloc_sleep_millisecs]
> are all be set 0, so 'khugepaged' always run 100% during the testing,
> depending on
> this, I choose an optional value 10s to khugepaged, and I think the
> interval is enough
> to recognise whether khugepaged finished scanning process's anonymous
> hugepage or not.
Hardcoded constants tend to break from time to time. Is there any
interface that could give you information about the state of the scan?
--
Cyril Hrubis
chrubis@suse.cz
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next prev parent reply other threads:[~2013-04-15 12:20 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <cover.1365402799.git.zliu@redhat.com>
2013-04-08 6:38 ` [LTP] [PATCH 1/3] mm/thp: new case thp04.c Zhouping Liu
2013-04-08 8:15 ` Wanlong Gao
2013-04-08 8:51 ` Zhouping Liu
2013-04-15 12:21 ` chrubis [this message]
2013-04-08 6:38 ` [LTP] [PATCH 2/3] lib/mem: introduce a new function set_global_mempolicy() Zhouping Liu
2013-04-08 6:38 ` [LTP] [PATCH 3/3] mm/thp: add new case thp05 Zhouping Liu
2013-04-08 8:17 ` Wanlong Gao
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