From: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com>
To: Alexey Dobriyan <adobriyan@gmail.com>
Cc: torvalds@linux-foundation.org, akpm@linux-foundation.org,
linux-fsdevel <linux-fsdevel@vger.kernel.org>,
linux-kernel@vger.kernel.org
Subject: Re: revert "config FS_JOURNAL_INFO"
Date: Fri, 18 Dec 2009 13:04:28 +0900 [thread overview]
Message-ID: <4B2AFF4C.5010100@ct.jp.nec.com> (raw)
In-Reply-To: <b6fcc0a0912170031u162b7f56kf9f6adc23e24278c@mail.gmail.com>
Alexey Dobriyan wrote:
> Can we please revert commit e4c570c4cb7a95dbfafa3d016d2739bf3fdfe319
> "task_struct: make journal_info conditional"
I'm fine to revert it, because it seems merged accidentally.
>
> I think I gave a good enough arguments to not merge it.
> To iterate:
> * patch makes impossible to start using ext3 on EXT3_FS=n kernels
> without reboot.
> * this is done only for one pointer on task_struct
I don't think it's only one pointer.
There might be a lot of "only one pointer".
>
> None of config options which define task_struct are tristate directly
> or effectively.
So we never allow to make memory usage small with providing an option
to remove unused area, right? Of cause, that option should be handled
carefully. If I want to reduce memory usage by this way, should I keep
this kind of patches out of tree?
thanks,
Hiroshi
next prev parent reply other threads:[~2009-12-18 4:05 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-12-17 8:31 revert "config FS_JOURNAL_INFO" Alexey Dobriyan
2009-12-17 20:09 ` Andrew Morton
2009-12-18 4:04 ` Hiroshi Shimamoto [this message]
2009-12-18 7:25 ` Alexey Dobriyan
2009-12-18 7:48 ` Hiroshi Shimamoto
2009-12-19 11:51 ` OGAWA Hirofumi
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