[PATCH ] MIPS: Fix build error crash_dump.c file.

[EUNBONG SONG]

This patch fixes crash_dump.c build error. Build error logs are as follow.

arch/mips/kernel/crash_dump.c: In function 'kdump_buf_page_init':
arch/mips/kernel/crash_dump.c:67: error: implicit declaration of function 'kmalloc'
cc1: warnings being treated as errors
arch/mips/kernel/crash_dump.c:67: error: assignment makes pointer from integer without a cast
make[3]: *** [arch/mips/kernel/crash_dump.o] Error 1
make[2]: *** [arch/mips/kernel] Error 2
make[1]: *** [arch/mips] Error 2
make[1]: *** Waiting for unfinished jobs....
  CC      kernel/sys.o
  CC      kernel/module.o
  GZIP    kernel/config_data.gz
  CHK     kernel/config_data.h
  LD      kernel/built-in.o


Signed-off-by: Eunbong Song <eunb.song@xxxxxxxxxxx>
---
 arch/mips/kernel/crash_dump.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/arch/mips/kernel/crash_dump.c b/arch/mips/kernel/crash_dump.c
index 35bed0d..3be9e7b 100644
--- a/arch/mips/kernel/crash_dump.c
+++ b/arch/mips/kernel/crash_dump.c
@@ -2,6 +2,7 @@
 #include <linux/bootmem.h>
 #include <linux/crash_dump.h>
 #include <asm/uaccess.h>
+#include <linux/slab.h>
 
 static int __init parse_savemaxmem(char *p)
 {
-- 
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