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SubjectRE: support of older compilers
Date
At least in 2.4.17 I couldn't loopback mount an (ext2) image from tmpfs and
had to use ramfs. Has this been fixed?

> > The kernel does do more these days than it did in '95. But
> 6 times more? I
> > dunno..
>
> Can't we remove ramfs for a good start? Everyone should use
> tmpfs instead
> and some stupid distributions (I will not tell their names)
> try to mount
> ramfs on /dev (udev) and that leads to very stupid panic if you will
> write for example:
>
> dd if=/dev/evms/sda5 of=/dev/sda17 bs=1024
>
> instead of "of=/dev/evms/sda17".
>
> Explanation (if anybody needs one):
> Kernel can't create more partition devices than 15 for SCSI
> and SATA disks
> because of lack of minor numbers. So I am using evms to create these
> devices. So I should use /dev/evms/sda* for these partitions.
> And if I
> will not remember to do so then I will get oom panic very
> shortly because
> ramfs is not limited (in contrary to tmpfs).
>
> And this kind of stupid mistake can happen. It happened to me
> 3 times in a
> row before I started to debug what is wrong with this kernel.
>
> [BTW. Does somebody know how to tell the kernel that I do not want
> /dev/sda[0-9]* files (but I do want /dev/hda files) created
> == I do not
> want kernel partition driver to touch this particular device?]
>
> And using ramfs for anything else can easily lead to similar
> problems. So
> I think we do not need ramfs. Am I wrong? [I understand that
> removing it
> will not remove much code.]
>
>
> Thanks,
>
> Grzegorz Kulewski
>
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