Remove some #includes for slab and convert some others to kmalloc.h

mempolicy.h realy does not need slab at all. So drop the include.

Some other .h files really only need kmalloc so we can switch from
slab.h to kmalloc.h.

Many of the .c files in mm/* also do not use the slab definitions.
Switch to the use of kmalloc.h.

Signed-off-by: Christoph Lameter <clameter@sgi.com>

Index: linux-2.6.19-rc6-mm1/include/linux/mempolicy.h
===================================================================
--- linux-2.6.19-rc6-mm1.orig/include/linux/mempolicy.h	2006-11-27 21:56:49.000000000 -0800
+++ linux-2.6.19-rc6-mm1/include/linux/mempolicy.h	2006-11-27 21:59:38.000000000 -0800
@@ -29,7 +29,6 @@
 #ifdef __KERNEL__
 
 #include <linux/mmzone.h>
-#include <linux/slab.h>
 #include <linux/rbtree.h>
 #include <linux/spinlock.h>
 #include <linux/nodemask.h>
Index: linux-2.6.19-rc6-mm1/include/linux/percpu.h
===================================================================
--- linux-2.6.19-rc6-mm1.orig/include/linux/percpu.h	2006-11-27 21:56:49.000000000 -0800
+++ linux-2.6.19-rc6-mm1/include/linux/percpu.h	2006-11-27 21:59:38.000000000 -0800
@@ -2,7 +2,7 @@
 #define __LINUX_PERCPU_H
 
 #include <linux/spinlock.h> /* For preempt_disable() */
-#include <linux/slab.h> /* For kmalloc() */
+#include <linux/kmalloc.h>
 #include <linux/smp.h>
 #include <linux/string.h> /* For memset() */
 #include <linux/cpumask.h>
Index: linux-2.6.19-rc6-mm1/mm/page-writeback.c
===================================================================
--- linux-2.6.19-rc6-mm1.orig/mm/page-writeback.c	2006-11-27 21:56:49.000000000 -0800
+++ linux-2.6.19-rc6-mm1/mm/page-writeback.c	2006-11-27 21:59:38.000000000 -0800
@@ -16,7 +16,7 @@
 #include <linux/fs.h>
 #include <linux/mm.h>
 #include <linux/swap.h>
-#include <linux/slab.h>
+#include <linux/kmalloc.h>
 #include <linux/pagemap.h>
 #include <linux/writeback.h>
 #include <linux/init.h>
Index: linux-2.6.19-rc6-mm1/mm/page_alloc.c
===================================================================
--- linux-2.6.19-rc6-mm1.orig/mm/page_alloc.c	2006-11-27 21:56:49.000000000 -0800
+++ linux-2.6.19-rc6-mm1/mm/page_alloc.c	2006-11-27 21:59:38.000000000 -0800
@@ -26,7 +26,7 @@
 #include <linux/suspend.h>
 #include <linux/pagevec.h>
 #include <linux/blkdev.h>
-#include <linux/slab.h>
+#include <linux/kmalloc.h>
 #include <linux/notifier.h>
 #include <linux/topology.h>
 #include <linux/sysctl.h>
Index: linux-2.6.19-rc6-mm1/mm/swapfile.c
===================================================================
--- linux-2.6.19-rc6-mm1.orig/mm/swapfile.c	2006-11-27 21:56:49.000000000 -0800
+++ linux-2.6.19-rc6-mm1/mm/swapfile.c	2006-11-27 21:59:38.000000000 -0800
@@ -8,7 +8,7 @@
 #include <linux/mm.h>
 #include <linux/hugetlb.h>
 #include <linux/mman.h>
-#include <linux/slab.h>
+#include <linux/kmalloc.h>
 #include <linux/kernel_stat.h>
 #include <linux/swap.h>
 #include <linux/vmalloc.h>
Index: linux-2.6.19-rc6-mm1/mm/util.c
===================================================================
--- linux-2.6.19-rc6-mm1.orig/mm/util.c	2006-11-27 21:56:49.000000000 -0800
+++ linux-2.6.19-rc6-mm1/mm/util.c	2006-11-27 21:59:38.000000000 -0800
@@ -1,4 +1,4 @@
-#include <linux/slab.h>
+#include <linux/kmalloc.h>
 #include <linux/string.h>
 #include <linux/module.h>
 #include <linux/err.h>
Index: linux-2.6.19-rc6-mm1/mm/vmalloc.c
===================================================================
--- linux-2.6.19-rc6-mm1.orig/mm/vmalloc.c	2006-11-27 21:56:49.000000000 -0800
+++ linux-2.6.19-rc6-mm1/mm/vmalloc.c	2006-11-27 21:59:38.000000000 -0800
@@ -11,7 +11,7 @@
 #include <linux/mm.h>
 #include <linux/module.h>
 #include <linux/highmem.h>
-#include <linux/slab.h>
+#include <linux/kmalloc.h>
 #include <linux/spinlock.h>
 #include <linux/interrupt.h>
 
Index: linux-2.6.19-rc6-mm1/mm/vmscan.c
===================================================================
--- linux-2.6.19-rc6-mm1.orig/mm/vmscan.c	2006-11-27 21:56:49.000000000 -0800
+++ linux-2.6.19-rc6-mm1/mm/vmscan.c	2006-11-27 21:59:38.000000000 -0800
@@ -13,7 +13,7 @@
 
 #include <linux/mm.h>
 #include <linux/module.h>
-#include <linux/slab.h>
+#include <linux/kmalloc.h>
 #include <linux/kernel_stat.h>
 #include <linux/swap.h>
 #include <linux/swap-prefetch.h>