[PATCH] Fix bug in xdr_kunmap() (resend)

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  The following patch fixes a bug in xdr_kunmap() that has been known
to deadlock TCP mounts on highmem systems. It also removes an
unnecessary call to flush_page_to_ram().

Cheers,
  Trond

diff -u --recursive --new-file linux-2.5.25/net/sunrpc/xdr.c linux-2.5.25-fix_kmap/net/sunrpc/xdr.c
--- linux-2.5.25/net/sunrpc/xdr.c Thu Jun 6 12:23:23 2002
+++ linux-2.5.25-fix_kmap/net/sunrpc/xdr.c Tue Jul 16 18:47:07 2002
@@ -242,11 +242,11 @@
                 return;
         if (base || xdr->page_base) {
                 pglen -= base;
+ base += xdr->page_base;
                 ppage += base >> PAGE_CACHE_SHIFT;
         }
         for (;;) {
                 flush_dcache_page(*ppage);
- flush_page_to_ram(*ppage);
                 kunmap(*ppage);
                 if (pglen <= PAGE_CACHE_SIZE)
                         break;

-
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