config: remove ZFS_GLOBAL_ZONE_PAGE_STATE and ZFS_ENUM_* generation

Sponsored-by: https://despairlabs.com/sponsor/
Reviewed-by: Brian Behlendorf <[email protected]>
Reviewed-by: Tony Hutter <[email protected]>
Reviewed-by: Tino Reichardt <[email protected]>
Signed-off-by: Rob Norris <[email protected]>
Closes #16479

config/kernel.m4

@@ -149,7 +149,6 @@ dnl #
 AC_DEFUN([ZFS_AC_KERNEL_TEST_RESULT], [
 	ZFS_AC_KERNEL_TYPES
 	ZFS_AC_KERNEL_ACCESS_OK_TYPE
-	ZFS_AC_KERNEL_GLOBAL_PAGE_STATE
 	ZFS_AC_KERNEL_OBJTOOL
 	ZFS_AC_KERNEL_PDE_DATA
 	ZFS_AC_KERNEL_GENERIC_FADVISE

contrib/debian/not-installed

@@ -1,5 +1,4 @@
 usr/bin/arc_summary.py
-usr/share/zfs/enum-extract.pl
 usr/share/zfs/zfs-helpers.sh
 etc/default/zfs
 etc/init.d

contrib/debian/rules.in

@@ -86,7 +86,6 @@ override_dh_auto_install:
 	@# Install the DKMS source.
 	@# We only want the files needed to build the modules
 	install -D -t '$(CURDIR)/debian/tmp/usr/src/$(NAME)-$(DEB_VERSION_UPSTREAM)/scripts' \
-		'$(CURDIR)/scripts/enum-extract.pl' \
 		'$(CURDIR)/scripts/dkms.postbuild'
 	$(foreach file,$(DKMSFILES),mv '$(CURDIR)/$(NAME)-$(DEB_VERSION_UPSTREAM)/$(file)' '$(CURDIR)/debian/tmp/usr/src/$(NAME)-$(DEB_VERSION_UPSTREAM)' || exit 1;)
 

include/os/linux/kernel/linux/page_compat.h

@@ -1,37 +1,11 @@
 #ifndef	_ZFS_PAGE_COMPAT_H
 #define	_ZFS_PAGE_COMPAT_H
 
-/*
- * We have various enum members moving between two separate enum types,
- * and accessed by different functions at various times. Centralise the
- * insanity.
- *
- * < v4.8: all enums in zone_stat_item, via global_page_state()
- * v4.8: some enums moved to node_stat_item, global_node_page_state() introduced
- * v4.13: some enums moved from zone_stat_item to node_state_item
- * v4.14: global_page_state() rename to global_zone_page_state()
- *
- * The defines used here are created by config/kernel-global_page_state.m4
- */
-
 /*
  * Create our own accessor functions to follow the Linux API changes
  */
-
-#if	defined(ZFS_ENUM_NODE_STAT_ITEM_NR_FILE_PAGES)
 #define	nr_file_pages() global_node_page_state(NR_FILE_PAGES)
-#else
-#define	nr_file_pages() global_zone_page_state(NR_FILE_PAGES)
-#endif
-#if	defined(ZFS_ENUM_NODE_STAT_ITEM_NR_INACTIVE_ANON)
 #define	nr_inactive_anon_pages() global_node_page_state(NR_INACTIVE_ANON)
-#else
-#define	nr_inactive_anon_pages() global_zone_page_state(NR_INACTIVE_ANON)
-#endif
-#if	defined(ZFS_ENUM_NODE_STAT_ITEM_NR_INACTIVE_FILE)
 #define	nr_inactive_file_pages() global_node_page_state(NR_INACTIVE_FILE)
-#else
-#define	nr_inactive_file_pages() global_zone_page_state(NR_INACTIVE_FILE)
-#endif
 
 #endif /* _ZFS_PAGE_COMPAT_H */

scripts/Makefile.am

@@ -28,7 +28,6 @@ endif
 
 dist_noinst_DATA += \
 	%D%/cstyle.pl \
-	%D%/enum-extract.pl \
 	%D%/update_authors.pl \
 	%D%/zfs2zol-patch.sed \
 	%D%/zol2zfs-patch.sed