Mailinglist Archive: opensuse-kernel (29 mails)

[Jeff Mahoney <jeffm@xxxxxxxx>]

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Michal Marek wrote:
> Hi,
>
> does anyone / anything depend on module-init-tools being able to handle
> gzip compressed modules? Disabling zlib support would reduce depmod
> memory usage quite a lot (see bnc#371966 and bnc#350896), because it
> allows to mmap the modules instead of copying them into memory.
>
> Of course, it's possible to keep zlib support in module-init-tools and
> mmap non-compressed files, it's just more work ;-).

Huh, I didn't even know it had this capability. The POS guys might want
the functionality to reduce the kernel image footprint when flash is
extremely limited. We don't use it currently, but it might not be a bad
idea to leave it in and make it conditional.

It's interesting that it's zlib causing this. I don't see zlib mentioned
in either of those bugs. Could you elaborate?

- -Jeff

- --
Jeff Mahoney
SUSE Labs
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