Re: Memory leak in 2.4.27 kernel, using mmap raw packet sockets

[Andrea Arcangeli]

On Mon, Nov 29, 2004 at 08:03:31PM -0800, David S. Miller wrote:
> 
> These changes have made 2.4.29-BK stop booting on sparc64.
> I'll get more information to find out exactly why.

hmm strange, I would suggest to put a dump_stack here to see where it
triggers:

                               if (!pages[i] || PageReserved(pages[i])) {
                                       if (pages[i] != ZERO_PAGE(start)) {
+					       dump_stack()
                                               savevma = vma;
                                               goto bad_page;   
                                       }

                               } else

The only thing I see that's probably missing for sparc is a
flush_dcache_page page_cache_get, but that wouldn't prevent booting,
it'd only corrupt userland as worse (and it was missing from the
previous code too ;).
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