From patchwork Thu Jan 28 23:42:42 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Axel Rasmussen X-Patchwork-Id: 12054779 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-26.3 required=3.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT,USER_IN_DEF_DKIM_WL autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D96C9C433DB for ; Thu, 28 Jan 2021 23:44:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8C6A564E00 for ; Thu, 28 Jan 2021 23:44:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231292AbhA1Xnv (ORCPT ); Thu, 28 Jan 2021 18:43:51 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49152 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231302AbhA1Xnm (ORCPT ); Thu, 28 Jan 2021 18:43:42 -0500 Received: from mail-yb1-xb4a.google.com (mail-yb1-xb4a.google.com [IPv6:2607:f8b0:4864:20::b4a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 19F49C061756 for ; Thu, 28 Jan 2021 15:42:59 -0800 (PST) Received: by mail-yb1-xb4a.google.com with SMTP id f8so4795052ybc.18 for ; Thu, 28 Jan 2021 15:42:59 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=sender:date:in-reply-to:message-id:mime-version:references:subject :from:to:cc; bh=2r6tvyDCTSBwqDaCUfRDjKrL2ZfCPZdNc0evgB4+htg=; b=rAvb46fAKFTd7I92vqZO2ublYai5pwWwwxRivandkCZkYILkpfCBvI7ENANgj6nTmu J7t38CkOmWwHI5g6OTyk19qHyRrbrXBG8g/t7lixZCyRiKHv8vJs9HUVtuOi97aGQQlD DkKxeHv2ATFpqWthG+og7FRYFRJigs1JeLusZgYSPIgQxmM0rbzWzSNhfo7dO0ey0Oec UL4OzpJ4582qkcXynSZKK+Bo/JGxKiWiSLmjpczpem5pkntNmK2m5udHBF8eJQPYsodi 9689xDFUROQ+kObekvzpgt3CT12por7HPyFja7cpJORsO0grIU00gMGyMcqQr0qztWwe AEUw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:date:in-reply-to:message-id:mime-version :references:subject:from:to:cc; bh=2r6tvyDCTSBwqDaCUfRDjKrL2ZfCPZdNc0evgB4+htg=; b=W12L8m9twn2hwg66Gz9bVuRfyCFM5/TMsbZ4b/9wNWt1qQt/OiUDiKPgXtN3CpTt8H 6Xzqhty7Px32D4nkIzpkW/Lm/NPav3lznvb9Ex3KbU08s98jSTr2Y9r1jXwvzuslLUCM 0/Pa6BoMagVcNiG4K0PpgM8K6BrvLtYpCjgkSWk6KwCqi7sXYuTOKrU0LoN+9r+dlrhF JJtwBJgJLi/5sTHNkqXt3/GMXrHU8qkvciZUj7STxK0/LHEQMcsipuPQ7WeY+3DifiOb tm3e8U81RPdGHP1XzJIdjfxUbktfpxptdB9Xhze2BVvIDlFASJ7S7VsOMPwTJNMwyH/c ABHA== X-Gm-Message-State: AOAM53261p6BC8oOYhDIGkYXl8W+4nBOoasdowr5PgmcoXo6wOTWeRLj NCqVCGbLGT93DuH4jv+wi6VgccioYSzi8q+nySnh X-Google-Smtp-Source: ABdhPJzZsBf3lwAiXH5GxtgZbfkPs6vA5IOh0gyBt0x/xNmGivnJbv8X8jFWBxi8uYD1w9d2fuoPRf/OJdmd88yR8eLI Sender: "axelrasmussen via sendgmr" X-Received: from ajr0.svl.corp.google.com ([2620:15c:2cd:203:f693:9fff:feef:c8f8]) (user=axelrasmussen job=sendgmr) by 2002:a25:ab6a:: with SMTP id u97mr2221894ybi.471.1611877378172; Thu, 28 Jan 2021 15:42:58 -0800 (PST) Date: Thu, 28 Jan 2021 15:42:42 -0800 In-Reply-To: <20210128224819.2651899-2-axelrasmussen@google.com> Message-Id: <20210128234242.2677079-1-axelrasmussen@google.com> Mime-Version: 1.0 References: <20210128224819.2651899-2-axelrasmussen@google.com> X-Mailer: git-send-email 2.30.0.365.g02bc693789-goog Subject: [PATCH v4 1/9] hugetlb: Pass vma into huge_pte_alloc() From: Axel Rasmussen To: Alexander Viro , Alexey Dobriyan , Andrea Arcangeli , Andrew Morton , Anshuman Khandual , Catalin Marinas , Chinwen Chang , Huang Ying , Ingo Molnar , Jann Horn , Jerome Glisse , Lokesh Gidra , "Matthew Wilcox (Oracle)" , Michael Ellerman , " =?utf-8?q?Michal_Koutn=C3=BD?= " , Michel Lespinasse , Mike Kravetz , Mike Rapoport , Nicholas Piggin , Peter Xu , Shaohua Li , Shawn Anastasio , Steven Rostedt , Steven Price , Vlastimil Babka Cc: linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, Adam Ruprecht , Axel Rasmussen , Cannon Matthews , "Dr . David Alan Gilbert" , David Rientjes , Oliver Upton Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org From: Peter Xu It is a preparation work to be able to behave differently in the per architecture huge_pte_alloc() according to different VMA attributes. Signed-off-by: Peter Xu [axelrasmussen@google.com: fixed typo in arch/mips/mm/hugetlbpage.c] Signed-off-by: Axel Rasmussen Reviewed-by: Mike Kravetz --- arch/arm64/mm/hugetlbpage.c | 2 +- arch/ia64/mm/hugetlbpage.c | 3 ++- arch/mips/mm/hugetlbpage.c | 4 ++-- arch/parisc/mm/hugetlbpage.c | 2 +- arch/powerpc/mm/hugetlbpage.c | 3 ++- arch/s390/mm/hugetlbpage.c | 2 +- arch/sh/mm/hugetlbpage.c | 2 +- arch/sparc/mm/hugetlbpage.c | 2 +- include/linux/hugetlb.h | 2 +- mm/hugetlb.c | 6 +++--- mm/userfaultfd.c | 2 +- 11 files changed, 16 insertions(+), 14 deletions(-) -- 2.30.0.365.g02bc693789-goog diff --git a/arch/arm64/mm/hugetlbpage.c b/arch/arm64/mm/hugetlbpage.c index 55ecf6de9ff7..5b32ec888698 100644 --- a/arch/arm64/mm/hugetlbpage.c +++ b/arch/arm64/mm/hugetlbpage.c @@ -252,7 +252,7 @@ void set_huge_swap_pte_at(struct mm_struct *mm, unsigned long addr, set_pte(ptep, pte); } -pte_t *huge_pte_alloc(struct mm_struct *mm, +pte_t *huge_pte_alloc(struct mm_struct *mm, struct vm_area_struct *vma, unsigned long addr, unsigned long sz) { pgd_t *pgdp; diff --git a/arch/ia64/mm/hugetlbpage.c b/arch/ia64/mm/hugetlbpage.c index b331f94d20ac..f993cb36c062 100644 --- a/arch/ia64/mm/hugetlbpage.c +++ b/arch/ia64/mm/hugetlbpage.c @@ -25,7 +25,8 @@ unsigned int hpage_shift = HPAGE_SHIFT_DEFAULT; EXPORT_SYMBOL(hpage_shift); pte_t * -huge_pte_alloc(struct mm_struct *mm, unsigned long addr, unsigned long sz) +huge_pte_alloc(struct mm_struct *mm, struct vm_area_struct *vma, + unsigned long addr, unsigned long sz) { unsigned long taddr = htlbpage_to_page(addr); pgd_t *pgd; diff --git a/arch/mips/mm/hugetlbpage.c b/arch/mips/mm/hugetlbpage.c index b9f76f433617..7eaff5b07873 100644 --- a/arch/mips/mm/hugetlbpage.c +++ b/arch/mips/mm/hugetlbpage.c @@ -21,8 +21,8 @@ #include #include -pte_t *huge_pte_alloc(struct mm_struct *mm, unsigned long addr, - unsigned long sz) +pte_t *huge_pte_alloc(struct mm_struct *mm, struct vm_area_struct *vma, + unsigned long addr, unsigned long sz) { pgd_t *pgd; p4d_t *p4d; diff --git a/arch/parisc/mm/hugetlbpage.c b/arch/parisc/mm/hugetlbpage.c index d7ba014a7fbb..e141441bfa64 100644 --- a/arch/parisc/mm/hugetlbpage.c +++ b/arch/parisc/mm/hugetlbpage.c @@ -44,7 +44,7 @@ hugetlb_get_unmapped_area(struct file *file, unsigned long addr, } -pte_t *huge_pte_alloc(struct mm_struct *mm, +pte_t *huge_pte_alloc(struct mm_struct *mm, struct vm_area_struct *vma, unsigned long addr, unsigned long sz) { pgd_t *pgd; diff --git a/arch/powerpc/mm/hugetlbpage.c b/arch/powerpc/mm/hugetlbpage.c index 8b3cc4d688e8..d57276b8791c 100644 --- a/arch/powerpc/mm/hugetlbpage.c +++ b/arch/powerpc/mm/hugetlbpage.c @@ -106,7 +106,8 @@ static int __hugepte_alloc(struct mm_struct *mm, hugepd_t *hpdp, * At this point we do the placement change only for BOOK3S 64. This would * possibly work on other subarchs. */ -pte_t *huge_pte_alloc(struct mm_struct *mm, unsigned long addr, unsigned long sz) +pte_t *huge_pte_alloc(struct mm_struct *mm, struct vm_area_struct *vma, + unsigned long addr, unsigned long sz) { pgd_t *pg; p4d_t *p4; diff --git a/arch/s390/mm/hugetlbpage.c b/arch/s390/mm/hugetlbpage.c index 3b5a4d25ca9b..da36d13ffc16 100644 --- a/arch/s390/mm/hugetlbpage.c +++ b/arch/s390/mm/hugetlbpage.c @@ -189,7 +189,7 @@ pte_t huge_ptep_get_and_clear(struct mm_struct *mm, return pte; } -pte_t *huge_pte_alloc(struct mm_struct *mm, +pte_t *huge_pte_alloc(struct mm_struct *mm, struct vm_area_struct *vma, unsigned long addr, unsigned long sz) { pgd_t *pgdp; diff --git a/arch/sh/mm/hugetlbpage.c b/arch/sh/mm/hugetlbpage.c index 220d7bc43d2b..999ab5916e69 100644 --- a/arch/sh/mm/hugetlbpage.c +++ b/arch/sh/mm/hugetlbpage.c @@ -21,7 +21,7 @@ #include #include -pte_t *huge_pte_alloc(struct mm_struct *mm, +pte_t *huge_pte_alloc(struct mm_struct *mm, struct vm_area_struct *vma, unsigned long addr, unsigned long sz) { pgd_t *pgd; diff --git a/arch/sparc/mm/hugetlbpage.c b/arch/sparc/mm/hugetlbpage.c index ad4b42f04988..04d8790f6c32 100644 --- a/arch/sparc/mm/hugetlbpage.c +++ b/arch/sparc/mm/hugetlbpage.c @@ -279,7 +279,7 @@ unsigned long pud_leaf_size(pud_t pud) { return 1UL << tte_to_shift(*(pte_t *)&p unsigned long pmd_leaf_size(pmd_t pmd) { return 1UL << tte_to_shift(*(pte_t *)&pmd); } unsigned long pte_leaf_size(pte_t pte) { return 1UL << tte_to_shift(pte); } -pte_t *huge_pte_alloc(struct mm_struct *mm, +pte_t *huge_pte_alloc(struct mm_struct *mm, struct vm_area_struct *vma, unsigned long addr, unsigned long sz) { pgd_t *pgd; diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h index ebca2ef02212..1e0abb609976 100644 --- a/include/linux/hugetlb.h +++ b/include/linux/hugetlb.h @@ -161,7 +161,7 @@ extern struct list_head huge_boot_pages; /* arch callbacks */ -pte_t *huge_pte_alloc(struct mm_struct *mm, +pte_t *huge_pte_alloc(struct mm_struct *mm, struct vm_area_struct *vma, unsigned long addr, unsigned long sz); pte_t *huge_pte_offset(struct mm_struct *mm, unsigned long addr, unsigned long sz); diff --git a/mm/hugetlb.c b/mm/hugetlb.c index 18f6ee317900..07b23c81b1db 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -3766,7 +3766,7 @@ int copy_hugetlb_page_range(struct mm_struct *dst, struct mm_struct *src, src_pte = huge_pte_offset(src, addr, sz); if (!src_pte) continue; - dst_pte = huge_pte_alloc(dst, addr, sz); + dst_pte = huge_pte_alloc(dst, vma, addr, sz); if (!dst_pte) { ret = -ENOMEM; break; @@ -4503,7 +4503,7 @@ vm_fault_t hugetlb_fault(struct mm_struct *mm, struct vm_area_struct *vma, */ mapping = vma->vm_file->f_mapping; i_mmap_lock_read(mapping); - ptep = huge_pte_alloc(mm, haddr, huge_page_size(h)); + ptep = huge_pte_alloc(mm, vma, haddr, huge_page_size(h)); if (!ptep) { i_mmap_unlock_read(mapping); return VM_FAULT_OOM; @@ -5392,7 +5392,7 @@ void adjust_range_if_pmd_sharing_possible(struct vm_area_struct *vma, #endif /* CONFIG_ARCH_WANT_HUGE_PMD_SHARE */ #ifdef CONFIG_ARCH_WANT_GENERAL_HUGETLB -pte_t *huge_pte_alloc(struct mm_struct *mm, +pte_t *huge_pte_alloc(struct mm_struct *mm, struct vm_area_struct *vma, unsigned long addr, unsigned long sz) { pgd_t *pgd; diff --git a/mm/userfaultfd.c b/mm/userfaultfd.c index 7423808640ef..b2ce61c1b50d 100644 --- a/mm/userfaultfd.c +++ b/mm/userfaultfd.c @@ -290,7 +290,7 @@ static __always_inline ssize_t __mcopy_atomic_hugetlb(struct mm_struct *dst_mm, mutex_lock(&hugetlb_fault_mutex_table[hash]); err = -ENOMEM; - dst_pte = huge_pte_alloc(dst_mm, dst_addr, vma_hpagesize); + dst_pte = huge_pte_alloc(dst_mm, dst_vma, dst_addr, vma_hpagesize); if (!dst_pte) { mutex_unlock(&hugetlb_fault_mutex_table[hash]); i_mmap_unlock_read(mapping);