From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wi0-f175.google.com (mail-wi0-f175.google.com [209.85.212.175]) by kanga.kvack.org (Postfix) with ESMTP id DB739280003 for ; Sat, 13 Jun 2015 05:49:52 -0400 (EDT) Received: by wibut5 with SMTP id ut5so35644117wib.1 for ; Sat, 13 Jun 2015 02:49:52 -0700 (PDT) Received: from mail-wg0-x22f.google.com (mail-wg0-x22f.google.com. [2a00:1450:400c:c00::22f]) by mx.google.com with ESMTPS id hf9si7887062wib.39.2015.06.13.02.49.51 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sat, 13 Jun 2015 02:49:51 -0700 (PDT) Received: by wgzl5 with SMTP id l5so12726483wgz.3 for ; Sat, 13 Jun 2015 02:49:51 -0700 (PDT) From: Ingo Molnar Subject: [PATCH 11/12] x86/mm: Remove pgd_list leftovers Date: Sat, 13 Jun 2015 11:49:14 +0200 Message-Id: <1434188955-31397-12-git-send-email-mingo@kernel.org> In-Reply-To: <1434188955-31397-1-git-send-email-mingo@kernel.org> References: <1434188955-31397-1-git-send-email-mingo@kernel.org> Sender: owner-linux-mm@kvack.org List-ID: To: linux-kernel@vger.kernel.org Cc: linux-mm@kvack.org, Andy Lutomirski , Andrew Morton , Denys Vlasenko , Brian Gerst , Peter Zijlstra , Borislav Petkov , "H. Peter Anvin" , Linus Torvalds , Oleg Nesterov , Thomas Gleixner , Waiman Long 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 fe57e7a98839..7e93438d8b53 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 366b8232f4b3..14b39c3511fd 100644 --- a/arch/x86/mm/fault.c +++ b/arch/x86/mm/fault.c @@ -186,7 +186,6 @@ 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 0ab56d13f24d..7cca42c01677 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 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org