CC arch/i386/mm/pageattr.o
arch/i386/mm/pageattr.c: In function `revert_page':
arch/i386/mm/pageattr.c:100: error: `_etext' undeclared (first use in this function)
arch/i386/mm/pageattr.c:100: error: (Each undeclared identifier is reported only once
arch/i386/mm/pageattr.c:100: error: for each function it appears in.)
arch/i386/mm/pageattr.c:104: warning: ISO C90 forbids mixed declarations and code
arch/i386/mm/pageattr.c: In function `__change_page_attr':
arch/i386/mm/pageattr.c:135: error: `_etext' undeclared (first use in this function)
make[1]: *** [arch/i386/mm/pageattr.o] Error 1
make: *** [arch/i386/mm] Error 2