[Gllug] HIGHMEM

[Ian Northeast]

Russell Howe wrote:
> On Thu, Sep 16, 2004 at 12:52:19PM +0100, Andrew Halliwell wrote:
> 
>>initrd (initial ramdisk) loads a ramdisk containing modules and some other
>>stuff at the same time as the kernel using lilo or grub. This then insmods
>>these modules allowing the hardware to be accessed for the rest of the boot
>>process and beyond.
> 
> 
> I don't really see the benefit though for a single system, if you're
> building a custom kernel anyway, and the kernel's likely to change at
> least as frequently as the hardware...

No, initrds are mostly to make installers' jobs easier - it wouldn't 
really be a good idea to compile a custom kernel during an install:)

If root is in LVM you do need an initrd as userspace commands such as 
vgscan and vgchange have to be issued. At least, this is true with 2.4 
and LVM1, I think it still is with 2.6 and LVM2.

But I'm not convinced of the value of putting root in LVM.

Regards, Ian

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