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SubjectRe: Kernel BUG at page_alloc.c:91! (2.4.19)
Hi Daniel,

>> Looks to me that this function itself has a bug: after the drop_pte
>> it is checked if the current page has a mapping. If this is true there
>> ...
>Chances are, you've run into the subtle double-free race I've been
>on for the last few days. Would you like to try this patch as see if it
>makes a difference?

Thanks for the patch but unfortunately it doesn't change the behaviour at
all. This BUG is still 100% reproducible by just having 1 process which
allocates memory chunks of 256KB and after each allocation writes to each
of the pages in order to make them dirty.


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