Messages in this thread | | | Date | Thu, 06 Mar 2003 13:38:07 -0600 | From | Dave McCracken <> | Subject | Re: [PATCH] nonlinear oddities |
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--On Thursday, March 06, 2003 19:14:47 +0000 Hugh Dickins <hugh@veritas.com> 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 dmccr@us.ibm.com T/L 678-3059
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