release_segments  119 include/asm-frv/processor.h #define release_segments(mm)		do { } while (0)
release_segments  137 include/asm-m32r/processor.h #define release_segments(mm)  do { } while (0)
release_segments  172 include/asm-xtensa/processor.h #define release_segments(mm)	do { } while(0)