add intptr_t

Add signed intptr_t given that a) it is standard type and b) uintptr_t is
in tree.

Link: https://lkml.kernel.org/r/ed66b9e4-1fb7-45be-9bb9-d4bc291c691f@p183
Signed-off-by: Alexey Dobriyan <[e-mail]>
Signed-off-by: Andrew Morton <[e-mail]>

arch/mips/include/asm/fw/cfe/cfe_api.h

···
 #include <linux/types.h>
 #include <linux/string.h>
 
-typedef long intptr_t;
-
-
 /*
  * Constants
  */

include/linux/types.h

···
 typedef __kernel_gid16_t        gid16_t;
 
 typedef unsigned long		uintptr_t;
+typedef long			intptr_t;
 
 #ifdef CONFIG_HAVE_UID16
 /* This is defined by include/asm-{arch}/posix_types.h */

lib/zstd/common/zstd_deps.h

···
 
 #endif /* ZSTD_DEPS_IO */
 #endif /* ZSTD_DEPS_NEED_IO */
-
-/*
- * Only requested when MSAN is enabled.
- * Need:
- * intptr_t
- */
-#ifdef ZSTD_DEPS_NEED_STDINT
-#ifndef ZSTD_DEPS_STDINT
-#define ZSTD_DEPS_STDINT
-
-/*
- * The Linux Kernel doesn't provide intptr_t, only uintptr_t, which
- * is an unsigned long.
- */
-typedef long intptr_t;
-
-#endif /* ZSTD_DEPS_STDINT */
-#endif /* ZSTD_DEPS_NEED_STDINT */