On Sat, Aug 23, 2014 at 12:03 PM, Nilesh Govindrajan <[email protected]> wrote: > Hi, > > I'm trying to patch Gentoo Hardened sources 3.15.5r2 with UKSM. It > patched fine, got some rejects on fork.c, mmap.c and exec.c. I saw the > code, they were trivial so I added the changes manually. > > But I need help on this one: > > In file included from include/linux/ksm.h:138:0, > from kernel/fork.c:56: > include/linux/uksm.h: In function ‘uksm_cow_page’: > include/linux/uksm.h:74:9: error: ‘struct vm_area_struct’ has no member > named ‘uksm_vma_slot’ > include/linux/uksm.h:75:6: error: ‘struct vm_area_struct’ has no member > named ‘uksm_vma_slot’ > include/linux/uksm.h: In function ‘uksm_cow_pte’: > include/linux/uksm.h:80:9: error: ‘struct vm_area_struct’ has no member > named ‘uksm_vma_slot’ > include/linux/uksm.h:81:6: error: ‘struct vm_area_struct’ has no member > named ‘uksm_vma_slot’ > make[1]: *** [kernel/fork.o] Error 1 > make: *** [kernel] Error 2 >
Ouch, just after writing to the list I managed to crack it. It turns out that the piece of code which defined the structure member got into some other struct instead of vm_area_struct. Anyway, I'd like to know if anybody has tried UKSM on hardened kernel and if there are any problems, etc
