On Thu, 9 Apr 2015, Arnd Bergmann wrote: > This is a fix^3 for the mempool poisoning patch, which introduces > a compile-time error on some ARM randconfig builds: > > mm/mempool.c: In function 'check_element': > mm/mempool.c:65:16: error: implicit declaration of function 'kmap_atomic' [-Werror=implicit-function-declaration] > void *addr = kmap_atomic((struct page *)element); > > The problem is clearly the missing declaration, and including > linux/highmem.h fixes it. > > Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx> > Fixes: a3db5a8463b0db ("mm, mempool: poison elements backed by page allocator fix fix") Acked-by: David Rientjes <rientjes@xxxxxxxxxx> Thanks! Can you confirm that this is because CONFIG_BLOCK is disabled and not something else? -- 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>