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blackfin: SMP: pda: "next" field of blackfin_pda only used in SMP kernel

Signed-off-by: Steven Miao <realmz6@gmail.com>
Signed-off-by: Bob Liu <lliubbo@gmail.com>

authored by

Steven Miao and committed by
Bob Liu 8db08136 45abc49d

+2
+2
arch/blackfin/include/asm/pda.h
··· 13 13 #ifndef __ASSEMBLY__ 14 14 15 15 struct blackfin_pda { /* Per-processor Data Area */ 16 + #ifdef CONFIG_SMP 16 17 struct blackfin_pda *next; 18 + #endif 17 19 18 20 unsigned long syscfg; 19 21 #ifdef CONFIG_SMP