On Wed, 7 Mar 2001, Manfred Spraul wrote:
> Is kswapd now running without lock_kernel()?
Indeed ...
> Then there is a race between swapout and ptrace:
> access_process_vm() accesses the page table entries, only protected with
> the mmap_sem semaphore and lock_kernel().
>
> Isn't
>
> spin_lock(&mm->page_table_lock);
>
> missing in access_one_page() [in linux/kernel/ptrace.c]?
You're probably right here ...
regards,
Rik
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