Re: page_table_lock problem [was: Re: 2.4 / 2.5 VM plans]

["Stephen C. Tweedie" <sct@redhat.com>]

Hi,

On Thu, Jul 06, 2000 at 03:51:23PM +0800, Andrey Savochkin wrote:
> 
> I've looked at RSS updates in 2.4.0 kernels.
> You're right, they are not protected enough from
> concurrent updates from mm paths (mmap, page fault handler) and swapout
> path.  Moreover, I found that page_table_lock which is supposed to serialize
> page table updates from mm and swapout paths isn't taken in the later at all!
> Is it a bug or am I missing something?

Sorry, I don't have time to look closely at this right now --- I'm
swamped with travel and ext3 work, and I've just moved house...

Cheers,
 Stephen
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