[PATCH] AGPGART 2/5: size AGP mem correctly when memory is discontiguous

[Bjorn Helgaas]

This removes the agpgart assumption that memory is contiguous.

# This is a BitKeeper generated patch for the following project:
# Project Name: Linux kernel tree
# This patch format is intended for GNU patch command version 2.5 or higher.
# This patch includes the following deltas:
#	           ChangeSet	1.661   -> 1.662  
#	drivers/char/agp/agpgart_be.c	1.35    -> 1.36   
#
# The following is the BitKeeper ChangeSet Log
# --------------------------------------------
# 02/09/13	[e-mail]	1.662
# Fix max AGP memory for machines with discontiguous memory.
# --------------------------------------------
#
diff -Nru a/drivers/char/agp/agpgart_be.c b/drivers/char/agp/agpgart_be.c
--- a/drivers/char/agp/agpgart_be.c	Fri Sep 13 16:50:25 2002
+++ b/drivers/char/agp/agpgart_be.c	Fri Sep 13 16:50:25 2002
@@ -4517,7 +4497,7 @@
 {
 	long memory, index, result;
 
-	memory = virt_to_phys(high_memory) >> 20;
+	memory = (num_physpages << PAGE_SHIFT) >> 20;
 	index = 1;
 
 	while ((memory > maxes_table[index].mem) &&