Re: [PATCH] nonlinear oddities

[Dave McCracken]

--On Thursday, March 06, 2003 19:14:47 +0000 Hugh Dickins
<[e-mail]> wrote:

> Now I think about it more, install_page's SetPageAnon is not good at all.
> That (unlocked) page may already be mapped into other vmas as a shared
> file page, non-zero mapcount, we can't suddenly switch it to Anon
> (pte_chained) without doing the work to handle that case.

Ouch.  You're right.  I'll go stare at it for awhile and see if any
solutions jump out at me.  I suppose at worst I could write a function to
convert an object page to use pte_chains, but it'd be nice if that weren't
necessary.

Dave McCracken

======================================================================
Dave McCracken          IBM Linux Base Kernel Team      1-512-838-3059
[e-mail]                                        T/L   678-3059