shm: Slim down dependencies

list_head is in types.h, not list.h., and the uapi header wasn't needed.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>

arch/parisc/mm/init.c

@@ -33,6 +33,7 @@
 #include <asm/msgbuf.h>
 #include <asm/sparsemem.h>
 #include <asm/asm-offsets.h>
+#include <asm/shmbuf.h>
 
 extern int  data_start;
 extern void parisc_kernel_start(void);	/* Kernel entry point in head.S */

include/linux/shm.h

@@ -2,12 +2,12 @@
 #ifndef _LINUX_SHM_H_
 #define _LINUX_SHM_H_
 
-#include <linux/list.h>
+#include <linux/types.h>
 #include <asm/page.h>
-#include <uapi/linux/shm.h>
 #include <asm/shmparam.h>
 
 struct file;
+struct task_struct;
 
 #ifdef CONFIG_SYSVIPC
 struct sysv_shm {

ipc/shm.c

@@ -29,6 +29,7 @@
 #include <linux/mm.h>
 #include <linux/hugetlb.h>
 #include <linux/shm.h>
+#include <uapi/linux/shm.h>
 #include <linux/init.h>
 #include <linux/file.h>
 #include <linux/mman.h>

security/selinux/hooks.c

@@ -85,6 +85,7 @@
 #include <linux/export.h>
 #include <linux/msg.h>
 #include <linux/shm.h>
+#include <uapi/linux/shm.h>
 #include <linux/bpf.h>
 #include <linux/kernfs.h>
 #include <linux/stringhash.h>	/* for hashlen_string() */

security/smack/smack_lsm.c

@@ -37,6 +37,7 @@
 #include <linux/personality.h>
 #include <linux/msg.h>
 #include <linux/shm.h>
+#include <uapi/linux/shm.h>
 #include <linux/binfmts.h>
 #include <linux/parser.h>
 #include <linux/fs_context.h>