From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932868AbbIVGYo (ORCPT ); Tue, 22 Sep 2015 02:24:44 -0400 Received: from mail-wi0-f170.google.com ([209.85.212.170]:32970 "EHLO mail-wi0-f170.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756241AbbIVGYX (ORCPT ); Tue, 22 Sep 2015 02:24:23 -0400 From: Ingo Molnar To: linux-kernel@vger.kernel.org, linux-mm@kvack.org Cc: Andy Lutomirski , Andrew Morton , Denys Vlasenko , Brian Gerst , Peter Zijlstra , Borislav Petkov , "H. Peter Anvin" , Linus Torvalds , Oleg Nesterov , Waiman Long , Thomas Gleixner Subject: [PATCH 10/11] x86/mm: Remove pgd_list leftovers Date: Tue, 22 Sep 2015 08:23:40 +0200 Message-Id: <1442903021-3893-11-git-send-email-mingo@kernel.org> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1442903021-3893-1-git-send-email-mingo@kernel.org> References: <1442903021-3893-1-git-send-email-mingo@kernel.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Nothing uses the pgd_list anymore - remove the list itself and its helpers. Cc: Andrew Morton Cc: Andy Lutomirski Cc: Borislav Petkov Cc: Brian Gerst Cc: Denys Vlasenko Cc: H. Peter Anvin Cc: Linus Torvalds Cc: Oleg Nesterov Cc: Peter Zijlstra Cc: Rik van Riel Cc: Thomas Gleixner Cc: Waiman Long Cc: linux-mm@kvack.org Signed-off-by: Ingo Molnar --- arch/x86/include/asm/pgtable.h | 3 --- arch/x86/mm/fault.c | 1 - arch/x86/mm/pgtable.c | 26 -------------------------- 3 files changed, 30 deletions(-) diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h index 867da5bbb4a3..8338c8175409 100644 --- a/arch/x86/include/asm/pgtable.h +++ b/arch/x86/include/asm/pgtable.h @@ -29,9 +29,6 @@ extern unsigned long empty_zero_page[PAGE_SIZE / sizeof(unsigned long)] #define ZERO_PAGE(vaddr) (virt_to_page(empty_zero_page)) extern spinlock_t pgd_lock; -extern struct list_head pgd_list; - -extern struct mm_struct *pgd_page_get_mm(struct page *page); #ifdef CONFIG_PARAVIRT #include diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c index 9322d5ad3811..546fbca9621d 100644 --- a/arch/x86/mm/fault.c +++ b/arch/x86/mm/fault.c @@ -189,7 +189,6 @@ force_sig_info_fault(int si_signo, int si_code, unsigned long address, } DEFINE_SPINLOCK(pgd_lock); -LIST_HEAD(pgd_list); #ifdef CONFIG_X86_32 static inline pmd_t *vmalloc_sync_one(pgd_t *pgd, unsigned long address) diff --git a/arch/x86/mm/pgtable.c b/arch/x86/mm/pgtable.c index 8a42d54f44ba..cb5b8cbcf96b 100644 --- a/arch/x86/mm/pgtable.c +++ b/arch/x86/mm/pgtable.c @@ -84,35 +84,9 @@ void ___pud_free_tlb(struct mmu_gather *tlb, pud_t *pud) #endif /* CONFIG_PGTABLE_LEVELS > 3 */ #endif /* CONFIG_PGTABLE_LEVELS > 2 */ -static inline void pgd_list_add(pgd_t *pgd) -{ - struct page *page = virt_to_page(pgd); - - list_add(&page->lru, &pgd_list); -} - -static inline void pgd_list_del(pgd_t *pgd) -{ - struct page *page = virt_to_page(pgd); - - list_del(&page->lru); -} - #define UNSHARED_PTRS_PER_PGD \ (SHARED_KERNEL_PMD ? KERNEL_PGD_BOUNDARY : PTRS_PER_PGD) - -static void pgd_set_mm(pgd_t *pgd, struct mm_struct *mm) -{ - BUILD_BUG_ON(sizeof(virt_to_page(pgd)->index) < sizeof(mm)); - virt_to_page(pgd)->index = (pgoff_t)mm; -} - -struct mm_struct *pgd_page_get_mm(struct page *page) -{ - return (struct mm_struct *)page->index; -} - static void pgd_ctor(struct mm_struct *mm, pgd_t *pgd) { /* If the pgd points to a shared pagetable level (either the -- 2.1.4