Messages in this thread | | | Date | Thu, 29 Aug 2002 19:45:49 -0400 (EDT) | From | Alexander Viro <> | Subject | Re: weirdness with ->mm vs ->active_mm handling |
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On Thu, 29 Aug 2002, Benjamin LaHaise wrote:
> Hello, > > In trying to track down a bug, I found routines like generic_file_read > getting called with current->mm == NULL. This seems to be a valid state > for lazy tlb tasks, but the code throughout the kernel doesn't seem to > assume that.
Lazy-TLB == "promise not to use a lot of stuff in the kernel". In particular, any page fault in that state is a bug.
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