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SubjectRe: [PATCH 1/2] lib + ntfs: let modules force HWEIGHT
On Tue, 28 Nov 2006 14:08:40 -0800
Randy Dunlap <> wrote:

> From: Randy Dunlap <>
> NTFS (=m) uses hweight32(), but that function is only linked
> into the kernel image if it is used inside the kernel image,
> not in loadable modules. Let modules force HWEIGHT to be
> built into the kernel image. Otherwise build fails:
> Building modules, stage 2.
> MODPOST 94 modules
> WARNING: "hweight32" [fs/ntfs/ntfs.ko] undefined!
> Yes, I'd certainly prefer for this to be more automated rather than
> forced by each module that needs it.

Perhaps we should just put it in lib-y and remove CONFIG_GENERIC_HWEIGHT.
It's either part of the API or it ain't.
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