diff -urN oldtree/mm/filemap.c newtree/mm/filemap.c
--- oldtree/mm/filemap.c	2006-09-26 15:40:12.000000000 -0400
+++ newtree/mm/filemap.c	2006-09-26 15:44:34.000000000 -0400
@@ -952,7 +952,28 @@
  * Sysctl which determines whether we should read from large files to the
  * tail of the inactive lru list.
  */
+/* Staircase Tunables */
+#ifdef CONFIG_STAIRCASE_SERVER
+int vm_tail_largefiles __read_mostly = 0;
+#endif
+#ifdef CONFIG_STAIRCASE_FILE_SERVER
+int vm_tail_largefiles __read_mostly = 0;
+#endif
+#ifdef CONFIG_STAIRCASE_COMPUTE_SERVER
+int vm_tail_largefiles __read_mostly = 0;
+#endif
+#ifdef CONFIG_STAIRCASE_GAMING
+int vm_tail_largefiles __read_mostly = 0;
+#endif
+#ifdef CONFIG_STAIRCASE_DESKTOP
 int vm_tail_largefiles __read_mostly = 1;
+#endif
+#ifdef CONFIG_STAIRCASE_LL_DESKTOP
+int vm_tail_largefiles __read_mostly = 1;
+#endif
+#ifdef CONFIG_STAIRCASE_CUSTOM
+int vm_tail_largefiles __read_mostly = CONFIG_VM_TAIL_LARGEFILES_SETTING;
+#endif
 
 static inline int nr_mapped(void)
 {
diff -urN oldtree/mm/page-writeback.c newtree/mm/page-writeback.c
--- oldtree/mm/page-writeback.c	2006-09-26 15:31:41.000000000 -0400
+++ newtree/mm/page-writeback.c	2006-09-26 15:46:04.000000000 -0400
@@ -32,6 +32,7 @@
 #include <linux/syscalls.h>
 #include <linux/buffer_head.h>
 #include <linux/pagevec.h>
+#include <linux/config.h>
 
 /*
  * The maximum number of pages to writeout in a single bdflush/kupdate
@@ -71,7 +72,28 @@
 /*
  * The generator of dirty data starts writeback at this percentage
  */
-int vm_dirty_ratio __read_mostly;
+/* E-Mission Insanity */
+#ifdef CONFIG_STAIRCASE_SERVER
+int vm_dirty_ratio __read_mostly = 66;
+#endif
+#ifdef CONFIG_STAIRCASE_FILE_SERVER
+int vm_dirty_ratio __read_mostly = 66;
+#endif
+#ifdef CONFIG_STAIRCASE_COMPUTE_SERVER
+int vm_dirty_ratio __read_mostly = 66;
+#endif
+#ifdef CONFIG_STAIRCASE_GAMING
+int vm_dirty_ratio __read_mostly = 66;
+#endif
+#ifdef CONFIG_STAIRCASE_DESKTOP
+int vm_dirty_ratio __read_mostly = 0;
+#endif
+#ifdef CONFIG_STAIRCASE_LL_DESKTOP
+int vm_dirty_ratio __read_mostly = 0;
+#endif
+#ifdef CONFIG_STAIRCASE_CUSTOM
+int vm_dirty_ratio __read_mostly = CONFIG_VM_DIRTY_RATIO_SETTING;
+#endif
 
 /*
  * The interval between `kupdate'-style writebacks, in jiffies
diff -urN oldtree/mm/vmscan.c newtree/mm/vmscan.c
--- oldtree/mm/vmscan.c	2006-09-26 15:40:12.000000000 -0400
+++ newtree/mm/vmscan.c	2006-09-26 15:47:30.000000000 -0400
@@ -38,6 +38,7 @@
 #include <linux/delay.h>
 #include <linux/kthread.h>
 #include <linux/timer.h>
+#include <linux/config.h>
 
 #include <asm/tlbflush.h>
 #include <asm/div64.h>
@@ -102,8 +103,36 @@
 /*
  * From 0 .. 100.  Lower means more swappy.
  */
+/* Staircase Tunables */
+#ifdef CONFIG_STAIRCASE_SERVER
+int vm_mapped __read_mostly = 33;
+int vm_hardmaplimit __read_mostly = 0;
+#endif
+#ifdef CONFIG_STAIRCASE_FILE_SERVER
+int vm_mapped __read_mostly = 0;
+int vm_hardmaplimit __read_mostly = 0;
+#endif
+#ifdef CONFIG_STAIRCASE_COMPUTE_SERVER
+int vm_mapped __read_mostly = 0;
+int vm_hardmaplimit __read_mostly = 0;
+#endif
+#ifdef CONFIG_STAIRCASE_GAMING
+int vm_mapped __read_mostly = 33;
+int vm_hardmaplimit __read_mostly = 0;
+#endif
+#ifdef CONFIG_STAIRCASE_DESKTOP
 int vm_mapped __read_mostly = 66;
 int vm_hardmaplimit __read_mostly = 1;
+#endif
+#ifdef CONFIG_STAIRCASE_LL_DESKTOP
+int vm_mapped __read_mostly = 66;
+int vm_hardmaplimit __read_mostly = 0;
+#endif
+#ifdef CONFIG_STAIRCASE_CUSTOM
+int vm_mapped __read_mostly = CONFIG_VM_MAPPED_SETTING;
+int vm_hardmaplimit __read_mostly = CONFIG_VM_HARDMAPLIMIT_SETTING;
+#endif
+
 long vm_total_pages __read_mostly;	/* The total number of pages which the VM controls */
 
 static LIST_HEAD(shrinker_list);
Files oldtree/scripts/kconfig/mconf and newtree/scripts/kconfig/mconf differ