arch/parisc/include/asm/pgtable.h: remove unused `old_pte'

parisc's set_pte_at() macro has set-but-not-used variable: include/linux/pgtable.h: In function 'pte_clear_not_present_full': arch/parisc/include/asm/pgtable.h:96:9: warning: variable 'old_pte' set but not used [-Wunused-but-set-variable] Reported-by: kbuild test robot <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Cc: "James E.J. Bottomley" <[email protected]> Cc: Helge Deller <[email protected]> Cc: Mike Rapoport <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
krohei · Jun 2, 2020 · 78128fa · 78128fa
1 parent 912f655
commit 78128fa
Showing 1 changed file with 0 additions and 2 deletions.
diff --git a/arch/parisc/include/asm/pgtable.h b/arch/parisc/include/asm/pgtable.h
@@ -93,10 +93,8 @@ static inline void purge_tlb_entries(struct mm_struct *mm, unsigned long addr)
 
 #define set_pte_at(mm, addr, ptep, pteval)			\
 	do {							\
-		pte_t old_pte;					\
 		unsigned long flags;				\
 		spin_lock_irqsave(pgd_spinlock((mm)->pgd), flags);\
-		old_pte = *ptep;				\
 		set_pte(ptep, pteval);				\
 		purge_tlb_entries(mm, addr);			\
 		spin_unlock_irqrestore(pgd_spinlock((mm)->pgd), flags);\