ksm: remove redundant declarations in ksm.h

Currently, for struct stable_node, no one uses it in both the
include/linux/ksm.h file and the file that contains it.  For struct
mem_cgroup, it's also not used in ksm.h.  So they're all redundant, just
remove them.

Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Qi Zheng <[email protected]>
Cc: Johannes Weiner <[email protected]>
Cc: Matthew Wilcox <[email protected]>
Cc: Mike Rapoport <[email protected]>
Cc: Minchan Kim <[email protected]>
Cc: Vlastimil Babka <[email protected]>
Cc: Yang Shi <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>

0 files changed, 0 insertions, 0 deletions