From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Morton Subject: [patch 004/128] arch/parisc/include/asm/pgtable.h: remove unused `old_pte' Date: Mon, 01 Jun 2020 21:45:33 -0700 Message-ID: <20200602044533.NFyCi8Edo%akpm@linux-foundation.org> References: <20200601214457.919c35648e96a2b46b573fe1@linux-foundation.org> Reply-To: linux-kernel@vger.kernel.org Return-path: Received: from mail.kernel.org ([198.145.29.99]:36144 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725793AbgFBEpe (ORCPT ); Tue, 2 Jun 2020 00:45:34 -0400 In-Reply-To: <20200601214457.919c35648e96a2b46b573fe1@linux-foundation.org> Sender: mm-commits-owner@vger.kernel.org List-Id: mm-commits@vger.kernel.org To: akpm@linux-foundation.org, deller@gmx.de, James.Bottomley@HansenPartnership.com, linux-mm@kvack.org, lkp@intel.com, mm-commits@vger.kernel.org, rppt@linux.ibm.com, torvalds@linux-foundation.org From: Andrew Morton Subject: 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 Cc: "James E.J. Bottomley" Cc: Helge Deller Cc: Mike Rapoport Signed-off-by: Andrew Morton --- arch/parisc/include/asm/pgtable.h | 2 -- 1 file changed, 2 deletions(-) --- a/arch/parisc/include/asm/pgtable.h~arch-parisc-include-asm-pgtableh-remove-unused-old_pte +++ a/arch/parisc/include/asm/pgtable.h @@ -93,10 +93,8 @@ static inline void purge_tlb_entries(str #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);\ _