Commit 78128fab authored Jun 01, 2020 by Andrew Morton Committed by Linus Torvalds Jun 02, 2020

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 <lkp@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Cc: "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>
Cc: Helge Deller <deller@gmx.de>
Cc: Mike Rapoport <rppt@linux.ibm.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

parent 912f655d

arch/parisc/include/asm/pgtable.h

+0 −2

Original line number	Diff line number	Diff line
		@@ -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);\

Admin message