include/linux/mm.h             |    0 
 linux-2.6-npiggin/mm/filemap.c |    5 ++++-
 2 files changed, 4 insertions(+), 1 deletion(-)

diff -puN mm/readahead.c~read-populate mm/readahead.c
diff -puN mm/filemap.c~read-populate mm/filemap.c
--- linux-2.6/mm/filemap.c~read-populate	2004-05-03 19:56:00.000000000 +1000
+++ linux-2.6-npiggin/mm/filemap.c	2004-05-03 20:51:37.000000000 +1000
@@ -627,6 +627,9 @@ void do_generic_mapping_read(struct addr
 	index = *ppos >> PAGE_CACHE_SHIFT;
 	offset = *ppos & ~PAGE_CACHE_MASK;
 
+	force_page_cache_readahead(mapping, filp, index,
+			max_sane_readahead(desc->count >> PAGE_CACHE_SHIFT));
+
 	for (;;) {
 		struct page *page;
 		unsigned long end_index, nr, ret;
@@ -644,7 +647,7 @@ void do_generic_mapping_read(struct addr
 		}
 
 		cond_resched();
-		page_cache_readahead(mapping, ra, filp, index);
+		page_cache_readahead(mapping, ra, filp, index + desc->count);
 
 		nr = nr - offset;
 find_page:
diff -puN include/linux/mm.h~read-populate include/linux/mm.h

_