From: Ray Bryant <raybry@sgi.com>
To: "Chen, Kenneth W" <kenneth.w.chen@intel.com>
Cc: "'Andy Whitcroft'" <apw@shadowen.org>,
"Martin J. Bligh" <mbligh@aracnet.com>,
Andrew Morton <akpm@osdl.org>,
linux-kernel@vger.kernel.org, anton@samba.org,
sds@epoch.ncsc.mil, ak@suse.de, lse-tech@lists.sourceforge.net,
linux-ia64@vger.kernel.org
Subject: Re: [PATCH] HUGETLB memory commitment
Date: Sun, 04 Apr 2004 17:15:33 -0500 [thread overview]
Message-ID: <40708905.2080907@sgi.com> (raw)
In-Reply-To: <200404040331.i343VSF02496@unix-os.sc.intel.com>
Ken,
If you have user space code that tests this that you can send me I'll use them
to fix up the reservation and quota code to handle this case as well.
Thanks,
Chen, Kenneth W wrote:
>>>
>
>
> This assumes all mmap start from the same file offset. IMO, it's not
> generic enough. This code will only reserve 1 page for the following
> case, but actually there are 4 mapping totaling 4 pages:
>
> mmap 1 page at file offset 0
> mmap 1 page at file offset HPAGE_SIZE,
> mmap 1 page at file offset HPAGE_SIZE*2,
> mmap 1 page at file offset HPAGE_SIZE*3,
>
> Oh, this code broke file system quota accounting as well.
>
> - Ken
>
>
> -
> To unsubscribe from this list: send the line "unsubscribe linux-ia64" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at http://vger.kernel.org/majordomo-info.html
>
--
Best Regards,
Ray
-----------------------------------------------
Ray Bryant
512-453-9679 (work) 512-507-7807 (cell)
raybry@sgi.com raybry@austin.rr.com
The box said: "Requires Windows 98 or better",
so I installed Linux.
-----------------------------------------------
next prev parent reply other threads:[~2004-04-04 22:10 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-03-25 16:54 [PATCH] [0/6] HUGETLB memory commitment Andy Whitcroft
2004-03-25 16:58 ` [PATCH] [1/6] " Andy Whitcroft
2004-03-25 16:59 ` [PATCH] [2/6] " Andy Whitcroft
2004-03-25 17:00 ` [PATCH] [3/6] " Andy Whitcroft
2004-03-25 17:01 ` [PATCH] [4/6] " Andy Whitcroft
2004-03-25 17:02 ` [PATCH] [5/6] " Andy Whitcroft
2004-03-25 17:03 ` [PATCH] [6/6] " Andy Whitcroft
2004-03-25 21:04 ` [PATCH] [0/6] " Andrew Morton
2004-03-25 23:27 ` Andy Whitcroft
2004-03-25 23:51 ` Andrew Morton
2004-03-25 23:59 ` Andy Whitcroft
2004-03-26 0:10 ` Keith Owens
2004-03-26 0:22 ` Andrew Morton
2004-03-26 8:58 ` [Lse-tech] " Suparna Bhattacharya
2004-03-26 3:39 ` Keith Owens
2004-03-26 17:15 ` Suparna Bhattacharya
2004-03-26 2:01 ` Andy Whitcroft
2004-03-26 0:18 ` Martin J. Bligh
2004-03-28 18:02 ` Ray Bryant
2004-03-28 19:10 ` Martin J. Bligh
2004-03-28 21:32 ` [Lse-tech] " Ray Bryant
2004-03-29 16:50 ` Martin J. Bligh
2004-03-29 12:30 ` Andy Whitcroft
2004-03-29 20:45 ` Chen, Kenneth W
2004-03-29 20:49 ` Chen, Kenneth W
2004-03-30 12:57 ` Andy Whitcroft
2004-03-30 20:04 ` Chen, Kenneth W
2004-03-30 21:48 ` Andy Whitcroft
2004-03-31 1:48 ` Andy Whitcroft
2004-03-31 8:51 ` Chen, Kenneth W
2004-03-31 16:20 ` Andy Whitcroft
2004-04-01 21:15 ` Andy Whitcroft
2004-04-01 22:50 ` Andy Whitcroft
2004-04-01 23:09 ` Chen, Kenneth W
2004-04-03 3:57 ` [PATCH] " Ray Bryant
2004-04-04 3:31 ` Chen, Kenneth W
2004-04-04 22:15 ` Ray Bryant [this message]
2004-04-05 15:26 ` [Lse-tech] " Ray Bryant
2004-04-05 17:01 ` Chen, Kenneth W
2004-04-05 18:22 ` Ray Bryant
2004-04-05 23:18 ` Chen, Kenneth W
2004-04-06 1:05 ` Ray Bryant
2004-04-06 16:14 ` Andy Whitcroft
2004-04-06 17:40 ` Chen, Kenneth W
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