From: Raghavendra K T <raghavendra.kt@linux.vnet.ibm.com>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Fengguang Wu <fengguang.wu@intel.com>,
David Cohen <david.a.cohen@linux.intel.com>,
Al Viro <viro@zeniv.linux.org.uk>,
Damien Ramonda <damien.ramonda@intel.com>,
Jan Kara <jack@suse.cz>, David Rientjes <rientjes@google.com>,
Nishanth Aravamudan <nacc@linux.vnet.ibm.com>,
linux-mm <linux-mm@kvack.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] mm readahead: Fix sys_readahead breakage by reverting 2MB limit (bug 79111)
Date: Fri, 04 Jul 2014 00:05:23 +0530 [thread overview]
Message-ID: <53B5A26B.7040606@linux.vnet.ibm.com> (raw)
In-Reply-To: <CA+55aFyRgYW6Y8paYKGfqE205enhiPsZ1C8wrKpFavVXq7ZAtA@mail.gmail.com>
On 07/03/2014 11:52 PM, Linus Torvalds wrote:
> On Thu, Jul 3, 2014 at 11:11 AM, Raghavendra K T
> <raghavendra.kt@linux.vnet.ibm.com> wrote:
>>>
>>> If this comes from some man-page,
>>
>> Yes it is.
>
> Ok, googling actually finds a fairly recent patch to fix it
>
> http://www.spinics.net/lists/linux-mm/msg70517.html
>
> and several much older "that's not true" comments.
Thanks. I had missed that.
>
> That said, the bugzilla entry you mentioned does mention "can't boot
> 3.14 now". I'm not sure what the meaning of that sentence is, though.
> Does it mean "can't boot 3.14 to test it because the machine is busy",
> or is it a typo and really meant 3.15, and that some bootup script
> *depended* on readahead()? I don't know. It seems strange.
I think your guess is right, it meant to say "I can't boot it anymore
since I already upgraded to 3.15", because eventually bootup script (if
it is) should have to read IIUC.
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prev parent reply other threads:[~2014-07-03 18:38 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-07-03 13:02 [PATCH] mm readahead: Fix sys_readahead breakage by reverting 2MB limit (bug 79111) Raghavendra K T
2014-07-03 15:41 ` Linus Torvalds
2014-07-03 18:11 ` Raghavendra K T
2014-07-03 18:22 ` Linus Torvalds
2014-07-03 18:29 ` Linus Torvalds
2014-07-03 18:38 ` Raghavendra K T
2014-07-03 18:50 ` Raghavendra K T
2014-07-03 18:53 ` Linus Torvalds
2014-07-03 18:56 ` Raghavendra K T
2014-07-03 19:05 ` Dave Jones
2014-07-03 19:43 ` John Stoffel
2014-07-03 21:58 ` Linus Torvalds
2014-10-03 20:57 ` Rafael Aquini
2014-07-03 18:35 ` Raghavendra K T [this message]
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