Pryan linux-2.6.21-hh16 # LC_ALL="en" make
  CHK     include/linux/version.h
make[1]: `include/asm-arm/mach-types.h' is up to date.
  CHK     include/linux/utsrelease.h
  CC      init/main.o
In file included from include/linux/highmem.h:8,
                 from include/linux/pagemap.h:10,
                 from include/linux/buffer_head.h:13,
                 from init/main.c:52:
include/asm/cacheflush.h:66:24: warning: "/*" within comment
In file included from include/linux/highmem.h:8,
                 from include/linux/pagemap.h:10,
                 from include/linux/buffer_head.h:13,
                 from init/main.c:52:
include/asm/cacheflush.h:68: error: expected identifier or '(' before '/' token
include/asm/cacheflush.h: In function 'flush_cache_mm':
include/asm/cacheflush.h:324: error: invalid use of undefined type 'struct cpu_cache_fns'
include/asm/cacheflush.h: In function 'flush_cache_range':
include/asm/cacheflush.h:331: error: invalid use of undefined type 'struct cpu_cache_fns'
include/asm/cacheflush.h: In function 'flush_cache_page':
include/asm/cacheflush.h:340: error: invalid use of undefined type 'struct cpu_cache_fns'
include/asm/cacheflush.h: In function 'flush_ptrace_access':
include/asm/cacheflush.h:351: error: invalid use of undefined type 'struct cpu_cache_fns'
include/asm/cacheflush.h: In function 'flush_ioremap_region':
include/asm/cacheflush.h:429: error: invalid use of undefined type 'struct cpu_cache_fns'
make[1]: *** [init/main.o] Error 1
make: *** [init] Error 2
Pryan linux-2.6.21-hh16 #