TAKE - fix highmem problem where ext2 oopses

[Steve Lord <lord@xxxxxxx>]

Finally fixed, this was a core Linux bug. Chris this should make your
box happy I think.

Date:  Tue Jun 12 11:38:23 PDT 2001
Workarea:  jen.americas.sgi.com:/src/lord/xfs-linux.2.4

The following file(s) were checked into:
  bonnie.engr.sgi.com:/isms/slinx/2.4.x-xfs


Modid:  2.4.x-xfs:slinx:96754a
linux/fs/buffer.c - 1.66
        - Fix from Al and Linus, change condition when we put a buffer
          back onto free lists, skip buffers which have been freed from
          pages, let page_launder clean them up later.