Re: [PATCH] Remove page_table_lock from vma manipulations

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On Wed, 4 Jun 2003, Dave McCracken wrote:
>
> Gah. I don't know how I convinced myself that code was safe. It's easily
> fixed. How does this one look?

I think you have to keep page_table_lock in expand_stack (GROWSUP and
down versions) because that is called with only down_read on mmap_sem,
so two could be racing: nothing else protects the various vma field
adjustments there. Otherwise appears correct to me. Beneficial?

Hugh

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