On Wed, 2007-01-31 at 17:54 -0600, Robert Hancock wrote:
> I'm not sure if there's an inherent max ramdisk size limit, however I
> should point out that in most cases, using a tmpfs or ramfs file system
> is better than old-style ramdisks. Those filesystems return unused
> memory to the kernel (ramdisks statically allocate the entire space) and
> also avoid the filesystem overhead of ramdisks (the files are mapped
> into pagecache directly).
This is not a question of what's better or not.
Michal stepped into a real life problem:
1. ramdisk gets created in the first place w/o problems
2. formatting the same ramdisk succeeds
3. trying to use it fails
So either #1 or #2 should have failed in the first place. Failing in #3
is definitely a BUG in #1 or #2.
How does your advise help to fix that BUG ? Ignoring it by using
something else ?
tglx
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