[PATCH] remove HASH_HIGHMEM

It has no users and it's doubtful that we'll need it again.

Cc: "David S. Miller" <davem@davemloft.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index d539f83..2273952 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -3226,7 +3226,7 @@
 	/* allow the kernel cmdline to have a say */
 	if (!numentries) {
 		/* round applicable memory size up to nearest megabyte */
-		numentries = (flags & HASH_HIGHMEM) ? nr_all_pages : nr_kernel_pages;
+		numentries = nr_kernel_pages;
 		numentries += (1UL << (20 - PAGE_SHIFT)) - 1;
 		numentries >>= 20 - PAGE_SHIFT;
 		numentries <<= 20 - PAGE_SHIFT;