+version_field=$(if $(word $(1),$(2)),$(word $(1),$(2)),0)
+kernel_version_merge=$$(( ($(call version_field,1,$(1)) << 24) + ($(call version_field,2,$(1)) << 16) + ($(call version_field,3,$(1)) << 8) + $(call version_field,4,$(1)) ))
+
+ifdef DUMP
+ kernel_version_cmp=
+else
+ kernel_version_cmp=$(shell [ $(call kernel_version_merge,$(call split_version,$(2))) $(1) $(call kernel_version_merge,$(call split_version,$(3))) ] && echo 1 )
+endif
+
+CompareKernelPatchVer=$(if $(call kernel_version_cmp,-$(2),$(1),$(3)),1,0)
+
+kernel_patchver_gt=$(call kernel_version_cmp,-gt,$(KERNEL_PATCHVER),$(1))
+kernel_patchver_ge=$(call kernel_version_cmp,-ge,$(KERNEL_PATCHVER),$(1))
+kernel_patchver_eq=$(call kernel_version_cmp,-eq,$(KERNEL_PATCHVER),$(1))
+kernel_patchver_le=$(call kernel_version_cmp,-lt,$(KERNEL_PATCHVER),$(1))
+kernel_patchver_lt=$(call kernel_version_cmp,-le,$(KERNEL_PATCHVER),$(1))
+