On Fri, 13 Apr 2007 15:54:33 -0700 William Lee Irwin III <[EMAIL PROTECTED]>
wrote:
>> After all this time, bdevs are still lowmem etc. Crying shame.
On Fri, Apr 13, 2007 at 04:32:42PM -0700, Andrew Morton wrote:
> One would need to hunt down every use of b_data in filesystems and switch
> them t
On Fri, 13 Apr 2007 15:54:33 -0700
William Lee Irwin III <[EMAIL PROTECTED]> wrote:
> On Fri, Apr 13, 2007 at 03:46:53PM -0700, Andrew Morton wrote:
> > It's just weird - it exploits internal knowledge of VFS behaviour, diddles
> > with pagecache within a fake disk strategy handler, etc.
> > Furth
On Fri, Apr 13, 2007 at 03:46:53PM -0700, Andrew Morton wrote:
> > If I want to run a system entirely from ram with a compressed filesystem
> > image mounted on /, is it better to store that image in a ramdisk, or on
> > a tmpfs and mount it via loopback?
>
> Store it all in ramfs, no loopback nee
On Fri, Apr 13, 2007 at 03:46:53PM -0700, Andrew Morton wrote:
> It's just weird - it exploits internal knowledge of VFS behaviour, diddles
> with pagecache within a fake disk strategy handler, etc.
> Furthermore, because it pretends to be a block device, the VFS will not use
> highmem pages when a
On Fri, 13 Apr 2007 18:39:36 -0400
Jason Lunz <[EMAIL PROTECTED]> wrote:
> On Thu, Apr 12, 2007 at 12:15:53PM -0700, Andrew Morton wrote:
> > All of ZONE_NORMAL got used by ramdisk, and networking wants to
> > allocate a page from ZONE_NORMAL. An oom-killing is the correct
> > response, although
On Thu, Apr 12, 2007 at 12:15:53PM -0700, Andrew Morton wrote:
> All of ZONE_NORMAL got used by ramdisk, and networking wants to
> allocate a page from ZONE_NORMAL. An oom-killing is the correct
> response, although probably not effective.
>
> ramdisk is a nasty thing - cannot you use ramfs or tm
Andrew Morton wrote:
All of ZONE_NORMAL got used by ramdisk, and networking wants to
allocate a page from ZONE_NORMAL. An oom-killing is the correct
response, although probably not effective.
ramdisk is a nasty thing - cannot you use ramfs or tmpfs?
Sure enough, changing the ramdisk to a tmp
On Thu, 12 Apr 2007 11:38:30 -0600
Cameron Schaus <[EMAIL PROTECTED]> wrote:
> I am running the latest FC5-i686-smp kernel, 2.6.20, on a machine with
> 8Gb of RAM, and 2 Xeon processors. The system has a 750Mb ramdisk,
> and one process allocating and deallocating memory that is also
> writing lo
I am running the latest FC5-i686-smp kernel, 2.6.20, on a machine with
8Gb of RAM, and 2 Xeon processors. The system has a 750Mb ramdisk,
and one process allocating and deallocating memory that is also
writing lots of files to the ramdisk. The process also reads and
writes from the network. Afte
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