It does not support 64K page, so let it disabled for 64K page under all architectures. The related error (with allmodconfig under tile): CC [M] drivers/staging/lustre/lustre/llite/lloop.o In file included from drivers/staging/lustre/lustre/llite/../include/../../include/linux/libcfs/libcfs.h:160:0, from drivers/staging/lustre/lustre/llite/../include/lustre_lib.h:52, from drivers/staging/lustre/lustre/llite/lloop.c:106: drivers/staging/lustre/lustre/llite/lloop.c: In function 'loop_set_fd': drivers/staging/lustre/lustre/llite/../include/../../include/linux/libcfs/libcfs_private.h:411:54: error: duplicate case value #define CLASSERT(cond) do {switch (42) {case (cond): case 0: break; } } while (0) ^ drivers/staging/lustre/lustre/llite/lloop.c:525:2: note: in expansion of macro 'CLASSERT' CLASSERT(PAGE_CACHE_SIZE < (1 << (sizeof(unsigned short) * 8))); ^ drivers/staging/lustre/lustre/llite/../include/../../include/linux/libcfs/libcfs_private.h:411:41: error: previously used here #define CLASSERT(cond) do {switch (42) {case (cond): case 0: break; } } while (0) ^ drivers/staging/lustre/lustre/llite/lloop.c:525:2: note: in expansion of macro 'CLASSERT' CLASSERT(PAGE_CACHE_SIZE < (1 << (sizeof(unsigned short) * 8))); ^ Use "find ./ | grep Kconfig | xargs grep --color 64K" to find all 64K page macros. Signed-off-by: Chen Gang <gang.chen.5i5j@xxxxxxxxx> --- drivers/staging/lustre/lustre/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/staging/lustre/lustre/Kconfig b/drivers/staging/lustre/lustre/Kconfig index 4f65ba1..6725467 100644 --- a/drivers/staging/lustre/lustre/Kconfig +++ b/drivers/staging/lustre/lustre/Kconfig @@ -57,5 +57,5 @@ config LUSTRE_TRANSLATE_ERRNOS config LUSTRE_LLITE_LLOOP tristate "Lustre virtual block device" depends on LUSTRE_FS && BLOCK - depends on !PPC_64K_PAGES && !ARM64_64K_PAGES + depends on !PPC_64K_PAGES && !ARM64_64K_PAGES && !MICROBLAZE_64K_PAGES && !PAGE_SIZE_64KB && !IA64_PAGE_SIZE_64KB && !PARISC_PAGE_SIZE_64KB default m -- 1.9.3 _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel