Description: thp: __split_huge_page() mapcount != page_mapcount BUG_ON()
References:
Notes:
 jmm> Transparent huge pages were introduced in 2.6.38, so this doesn't affect
 jmm> Squeeze
Bugs:
upstream: released (3.4-rc1) [1a5a9906d4e8d1976b701f889d8f35d54b928f25]
2.6.32-upstream-stable: N/A "Vulnerable code not present"
sid: released (3.2.14-1)
2.6.32-squeeze-security: N/A "Vulnerable code not present"
3.2-upstream-stable: released (3.2.14) [c6cf24ba30c7225667827245cfd2bc98f7f5ed2b]