On Mon, 15 Oct 2012, Ralf Baechle wrote: > Certain configurations won't implicitly pull in <linux/pagemap.h> resulting > in the following build error: > > mm/huge_memory.c: In function 'release_pte_page': > mm/huge_memory.c:1697:2: error: implicit declaration of function 'unlock_page' [-Werror=implicit-function-declaration] > mm/huge_memory.c: In function '__collapse_huge_page_isolate': > mm/huge_memory.c:1757:3: error: implicit declaration of function 'trylock_page' [-Werror=implicit-function-declaration] > cc1: some warnings being treated as errors > This is because CONFIG_HUGETLB_PAGE=n so mempolicy.h doesn't include pagemap.h? > Reported-by: David Daney <david.daney@xxxxxxxxxx> > Signed-off-by: Ralf Baechle <ralf@xxxxxxxxxxxxxx> Acked-by: David Rientjes <rientjes@xxxxxxxxxx> -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>