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SubjectRe: [2.6 patch] unexport install_page
On Tue, Feb 21, 2006 at 12:49:51PM +0000, Hugh Dickins wrote:
> Why's that? It's rightly been recognized as a library function since
> 2.6.0-test3. I'd say it should remain exported for whatever filesystems
> might wish to use it (but no, I've no vested interest, the filesystem
> you'll suspect me of arguing for does not use it ;)
> <>
> [PATCH] export install_page() to modules
> install_page() is a library function which we expect will be used by all
> drivers which implement vm_operations.populate(). Therefore it should be
> exported to kernel modules.
> Petr Vandrovec has a project which involves sparse mappings of device memory
> which can use remap_file_pages(). It needs install_page().

This export was justified in mid-2003 with a projet that would use it.

Now it's 2006, and there's still no in-kernel user.

This means it has only bloated the kernel for two and a half years
for nearly everyone.

> Hugh



"Is there not promise of rain?" Ling Tan asked suddenly out
of the darkness. There had been need of rain for many days.
"Only a promise," Lao Er said.
Pearl S. Buck - Dragon Seed

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