In file included from kernel/crash_dump.c:2:0: include/linux/crash_dump.h:22:27: error: unknown type name ‘pgprot_t’ when CONFIG_CRASH_DUMP=y The error was traced back to this commit: 9cb218131de1 vmcore: introduce remap_oldmem_pfn_range() include <asm/pgtable.h> to get the missing definition Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> Cc: Michael Holzheu <holzheu@xxxxxxxxxxxxxxxxxx> Cc: Vivek Goyal <vgoyal@xxxxxxxxxx> Cc: <linux-mips@xxxxxxxxxxxxxx> Cc: <stable@xxxxxxxxxxxxxxx> # 3.12 Reviewed-by: James Hogan <james.hogan@xxxxxxxxxx> Signed-off-by: Qais Yousef <qais.yousef@xxxxxxxxxx> --- I haven't tried any other architecture except mips. If OK this should be considered for stable 3.12 (CCed). include/linux/crash_dump.h | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-) diff --git a/include/linux/crash_dump.h b/include/linux/crash_dump.h index fe68a5a..7032518 100644 --- a/include/linux/crash_dump.h +++ b/include/linux/crash_dump.h @@ -6,6 +6,8 @@ #include <linux/proc_fs.h> #include <linux/elf.h> +#include <asm/pgtable.h> /* for pgprot_t */ + #define ELFCORE_ADDR_MAX (-1ULL) #define ELFCORE_ADDR_ERR (-2ULL) -- 1.7.1
