crash_dump: fix compilation error (on MIPS at least)

  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 commit 9cb218131de1 ("vmcore: introduce
remap_oldmem_pfn_range()")

include <asm/pgtable.h> to get the missing definition

Signed-off-by: Qais Yousef <[email protected]>
Reviewed-by: James Hogan <[email protected]>
Cc: Michael Holzheu <[email protected]>
Acked-by: Vivek Goyal <[email protected]>
Cc: <[email protected]>	[3.12+]
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>

diff --git a/include/linux/crash_dump.h b/include/linux/crash_dump.h
index fe68a5a985831eca65d3880fb69094fbb91dbde0..7032518f85424bb081d9f6a713fec67d45873d77 100644 (file)
--- 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)