[Yaffs] mtdemul2k compiling

hello~~~

i got a problem in compiling mtdemul2k~~~
when i use "make" command in "yaffs2/mtdemul"  Directory(I have modified the
kernel path in Makefile)
There is some errors~~
Here is the error messages...
.
.
.
/usr/src/linux-2.6.16.34/include/linux/mtd/nand.h:332: error: expected
specifier-qualifier-list before 'u16'
In file included from ../yportenv.h:40,
                 from ../yaffs_guts.h:24,
                 from ../yaffs_nandemul2k.h:24,
                 from nandemul2k.c:38:
/usr/src/linux-2.6.16.34/include/linux/vmalloc.h:38: error: expected
declaration specifiers or '...' before 'pgprot_t'
/usr/src/linux-2.6.16.34/include/linux/vmalloc.h:40: error: expected
declaration specifiers or '...' before 'pgprot_t'
/usr/src/linux-2.6.16.34/include/linux/vmalloc.h:42: error: expected
declaration specifiers or '...' before 'pgprot_t'
/usr/src/linux-2.6.16.34/include/linux/vmalloc.h:46: error: expected
declaration specifiers or '...' before 'pgprot_t'
/usr/src/linux-2.6.16.34/include/linux/vmalloc.h:59: error: expected
declaration specifiers or '...' before 'pgprot_t'
In file included from ../yaffs_nandemul2k.h:24,
                 from nandemul2k.c:38:
../yaffs_guts.h:608: error: field 'sem' has incomplete type
../yaffs_guts.h:609: error: field 'grossLock' has incomplete type
nandemul2k.c: In function 'nandemul2k_scan':
nandemul2k.c:627: warning: assignment from incompatible pointer type
make: *** [nandemul2k.o] Error 1

What is the error message mean?
How to correct it?

Could you tell me which Linux Kernel Version that you suggest??

Thanks