kernel compile error에 대하여 이렇게 문의 드립니다.

'make menuconfig'에서 PPP옵션중에
'< > PPP Deflate compression'을 '*'로 check하고 난 후 kernel을 compile하
면 다음과 같은 error 메세지나 나타납니다.

error은 다음과 같습니다.

drivers/net/net.o: In function `deflate':
drivers/net/net.o(.text+0x88fc): multiple definition of `deflate'
fs/fs.o(.text+0x3dc18): first defined here
drivers/net/net.o: In function `_tr_flush_block':
drivers/net/net.o(.text+0xb814): multiple definition of `_tr_flush_block'
fs/fs.o(.text+0x40b30): first defined here
drivers/net/net.o: In function `zlibVersion':
drivers/net/net.o(.text+0xf788): multiple definition of `zlibVersion'
fs/fs.o(.text+0x44aa4): first defined here
drivers/net/net.o: In function `inflate_trees_free':
drivers/net/net.o(.text+0xe930): multiple definition of
`inflate_trees_free'
fs/fs.o(.text+0x43c4c): first defined here
drivers/net/net.o: In function `inflate':
drivers/net/net.o(.text+0xc674): multiple definition of `inflate'
fs/fs.o(.text+0x41990): first defined here
drivers/net/net.o: In function `deflateSetDictionary':
drivers/net/net.o(.text+0x8558): multiple definition of
`deflateSetDictionary'
fs/fs.o(.text+0x3d874): first defined here
drivers/net/net.o: In function `inflate_addhistory':
drivers/net/net.o(.text+0xdd98): multiple definition of
`inflate_addhistory'
fs/fs.o(.text+0x430b4): first defined here
drivers/net/net.o: In function `inflate_fast':
drivers/net/net.o(.text+0xf3bc): multiple definition of `inflate_fast'
fs/fs.o(.text+0x446d8): first defined here
drivers/net/net.o: In function `inflate_flush':
drivers/net/net.o(.text+0xf24c): multiple definition of `inflate_flush'
fs/fs.o(.text+0x44568): first defined here
drivers/net/net.o: In function `deflateOutputPending':
drivers/net/net.o(.text+0x8f28): multiple definition of
`deflateOutputPending'
fs/fs.o(.text+0x3e244): first defined here
drivers/net/net.o: In function `inflateIncomp':
drivers/net/net.o(.text+0xcc84): multiple definition of `inflateIncomp'
fs/fs.o(.text+0x41fa0): first defined here
drivers/net/net.o: In function `_tr_stored_type_only':
drivers/net/net.o(.text+0xb490): multiple definition of
`_tr_stored_type_only'
fs/fs.o(.text+0x407ac): first defined here

error메세지가 너무 많아서 모두 쓰지는 않았습니다..

왜 이런 에러가 나는지...
답답할 따름입니다.....
답변을 부탁드립니다.

그럼 이만.