arch: mostly remove <asm/segment.h>

A few architectures use <asm/segment.h> internally, but nothing in
common code does. Remove all the empty or almost empty versions of it,
including the asm-generic one.

Signed-off-by: Christoph Hellwig <[email protected]>
Signed-off-by: Arnd Bergmann <[email protected]>

arch/openrisc/include/asm/Kbuild

@@ -32,7 +32,6 @@ generic-y += qspinlock.h
 generic-y += qrwlock_types.h
 generic-y += qrwlock.h
 generic-y += sections.h
-generic-y += segment.h
 generic-y += shmparam.h
 generic-y += switch_to.h
 generic-y += topology.h

arch/openrisc/kernel/ptrace.c

@@ -30,7 +30,6 @@
 #include <linux/elf.h>
 
 #include <asm/thread_info.h>
-#include <asm/segment.h>
 #include <asm/page.h>
 #include <asm/pgtable.h>
 

arch/openrisc/kernel/setup.c

@@ -39,7 +39,6 @@
 #include <linux/device.h>
 
 #include <asm/sections.h>
-#include <asm/segment.h>
 #include <asm/pgtable.h>
 #include <asm/types.h>
 #include <asm/setup.h>

arch/openrisc/kernel/traps.c

@@ -35,7 +35,6 @@
 #include <linux/kallsyms.h>
 #include <linux/uaccess.h>
 
-#include <asm/segment.h>
 #include <asm/io.h>
 #include <asm/pgtable.h>
 #include <asm/unwinder.h>

arch/openrisc/mm/init.c

@@ -32,7 +32,6 @@
 #include <linux/blkdev.h>	/* for initrd_* */
 #include <linux/pagemap.h>
 
-#include <asm/segment.h>
 #include <asm/pgalloc.h>
 #include <asm/pgtable.h>
 #include <asm/dma.h>

arch/openrisc/mm/tlb.c

@@ -26,7 +26,6 @@
 #include <linux/mm.h>
 #include <linux/init.h>
 
-#include <asm/segment.h>
 #include <asm/tlbflush.h>
 #include <asm/pgtable.h>
 #include <asm/mmu_context.h>