[Patch] include/asm-generic/tlb.h: fix a missing header

[WANG Cong]

This patch fixes this build error in current -git tree:

  CC      kernel/sched.o
In file included from include/asm/arch/tlb.h:10,
                 from include/asm/tlb.h:5,
                 from kernel/sched.c:71:
include/asm-generic/tlb.h: In function 'tlb_finish_mmu':
include/asm-generic/tlb.h:91: error: implicit declaration of function 'check_pgt_cache'
make[1]: *** [kernel/sched.o] Error 1
make: *** [kernel] Error 2


Cc: Ingo Molnar <mingo@xxxxxxx>
Cc: Christoph Lameter <clameter@xxxxxxx>
Signed-off-by: WANG Cong <xiyou.wangcong@xxxxxxxxx>

---

diff --git a/include/asm-generic/tlb.h b/include/asm-generic/tlb.h
index 6ce9f3a..4ebbe15 100644
--- a/include/asm-generic/tlb.h
+++ b/include/asm-generic/tlb.h
@@ -16,6 +16,7 @@
 #include <linux/swap.h>
 #include <linux/quicklist.h>
 #include <asm/tlbflush.h>
+#include <asm/pgalloc.h>
 
 /*
  * For UP we don't need to worry about TLB flush
--
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