From patchwork Tue Jun 6 19:03:56 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ackerley Tng X-Patchwork-Id: 13269565 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9D9DFC77B73 for ; Tue, 6 Jun 2023 19:05:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239354AbjFFTF1 (ORCPT ); Tue, 6 Jun 2023 15:05:27 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39466 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239359AbjFFTEt (ORCPT ); Tue, 6 Jun 2023 15:04:49 -0400 Received: from mail-pg1-x549.google.com (mail-pg1-x549.google.com [IPv6:2607:f8b0:4864:20::549]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BFFDC1BC3 for ; Tue, 6 Jun 2023 12:04:34 -0700 (PDT) Received: by mail-pg1-x549.google.com with SMTP id 41be03b00d2f7-53450fa3a18so5632165a12.0 for ; Tue, 06 Jun 2023 12:04:34 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20221208; t=1686078273; x=1688670273; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=DUcXaEC48I4Bm1WwWPPkFcaYKFbZrdo62sI7Vn9jtKM=; b=EsMzcu7MCofZV1M6N8qLTVGfCobRb2m9UBd1k4rqImHaaV90eE+7yVgqGJTlHLVTGg WYLYzf9nuh7wT2wl0ong7Pm+JdEwy0XrWnw7A67dAqqNLmKKthrxFKAZNZCPEmg+Gm9l 1/jfZjJbtssIps71Hn10bsoNM3+P1vWpJqtgmuCPP7gyVh3snIw/tKY/Poj3vjuiFMIm hWDohY5CuxRIZJ1XCd6YRMkjU3OFa1a+IZrlt5R6w1j+nUqvdL8ryozxcFEC3Inu+RpX MrblT0sw+GiuzKbFJnN8KErIkyQh7K372xpyIXAqppgkeoG3kQADStwWWL0FGczDjczb yaGA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1686078273; x=1688670273; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=DUcXaEC48I4Bm1WwWPPkFcaYKFbZrdo62sI7Vn9jtKM=; b=LASuqKUm80KbIFFmZr63bU0pmQ/iHJWHE6apNi+16c9RIAMr6R9LofcAJBE8FcAZW0 faK0rjZ0D7yQUzhTeREshCYFruDYSXQpPwu/5KCAiSMtnZ5A69ibelmNtM3wtCvN83WZ NGHZyNFF2dsw2Yl1C4ZzcJIcOba2RWOHFu0auj9yRTk2JUo9KsSkSpdBq5+Tfj4bzsg4 PzJXPjcRYkZApjSEf8Tfv79ya4NavbLRdnBbt9VImANO6HDiYTLWkhHIvLHZpzTS3Sva Vx0qKb1AOGYjLM1FF4oIOnu7QMNbGnTzoBlBbqBkyBNHZEAyMAqKsewy+zAGbT8xQvaM zgcw== X-Gm-Message-State: AC+VfDzJVPVObR8bDtG88CNtiXhA7htyQjCwAZjordiitbJQROwlTwN5 YMpN/Kr5CWSMq0ExCKiCPFvlCzkB+L4KPK8E4g== X-Google-Smtp-Source: ACHHUZ4v54k8mWqyJRdVfnADxQ7LxuS0BkTdcogjdbP6mmP0fUtChdx6VWMt3kG2rI14jmGLU8WGRs/GoPhwfnEqcg== X-Received: from ackerleytng-ctop.c.googlers.com ([fda3:e722:ac3:cc00:7f:e700:c0a8:13f8]) (user=ackerleytng job=sendgmr) by 2002:a65:5c8b:0:b0:53f:b396:6f32 with SMTP id a11-20020a655c8b000000b0053fb3966f32mr628734pgt.3.1686078273321; Tue, 06 Jun 2023 12:04:33 -0700 (PDT) Date: Tue, 6 Jun 2023 19:03:56 +0000 In-Reply-To: Mime-Version: 1.0 References: X-Mailer: git-send-email 2.41.0.rc0.172.g3f132b7071-goog Message-ID: <1d0337d32f40b781f9b7509cb40448b81bde6b00.1686077275.git.ackerleytng@google.com> Subject: [RFC PATCH 11/19] mm: hugetlb: Parametrize hugetlb functions by resv_map From: Ackerley Tng To: akpm@linux-foundation.org, mike.kravetz@oracle.com, muchun.song@linux.dev, pbonzini@redhat.com, seanjc@google.com, shuah@kernel.org, willy@infradead.org Cc: brauner@kernel.org, chao.p.peng@linux.intel.com, coltonlewis@google.com, david@redhat.com, dhildenb@redhat.com, dmatlack@google.com, erdemaktas@google.com, hughd@google.com, isaku.yamahata@gmail.com, jarkko@kernel.org, jmattson@google.com, joro@8bytes.org, jthoughton@google.com, jun.nakajima@intel.com, kirill.shutemov@linux.intel.com, liam.merwick@oracle.com, mail@maciej.szmigiero.name, mhocko@suse.com, michael.roth@amd.com, qperret@google.com, rientjes@google.com, rppt@kernel.org, steven.price@arm.com, tabba@google.com, vannapurve@google.com, vbabka@suse.cz, vipinsh@google.com, vkuznets@redhat.com, wei.w.wang@intel.com, yu.c.zhang@linux.intel.com, kvm@vger.kernel.org, linux-api@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-mm@kvack.org, qemu-devel@nongnu.org, x86@kernel.org, Ackerley Tng Precedence: bulk List-ID: X-Mailing-List: linux-kselftest@vger.kernel.org Parametrize remove_mapping_hugepages() and hugetlb_unreserve_pages() by resv_map to remove the use of inode_resv_map() and decouple hugetlb with hugetlbfs. Signed-off-by: Ackerley Tng --- fs/hugetlbfs/inode.c | 16 ++++++++++------ include/linux/hugetlb.h | 6 ++++-- mm/hugetlb.c | 4 ++-- 3 files changed, 16 insertions(+), 10 deletions(-) diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c index 53f6a421499d..a7791b1390a6 100644 --- a/fs/hugetlbfs/inode.c +++ b/fs/hugetlbfs/inode.c @@ -560,8 +560,8 @@ hugetlb_vmdelete_list(struct rb_root_cached *root, pgoff_t start, pgoff_t end, */ static bool remove_mapping_single_folio( struct address_space *mapping, struct folio *folio, pgoff_t index, - struct hstate *h, struct hugepage_subpool *spool, struct inode *inode, - bool truncate_op) + struct hstate *h, struct hugepage_subpool *spool, struct resv_map *resv_map, + struct inode *inode, bool truncate_op) { bool ret = false; @@ -586,7 +586,8 @@ static bool remove_mapping_single_folio( hugetlb_delete_from_page_cache(folio); ret = true; if (!truncate_op) { - if (unlikely(hugetlb_unreserve_pages(h, spool, inode, index, index + 1, 1))) + if (unlikely(hugetlb_unreserve_pages(h, spool, resv_map, + inode, index, index + 1, 1))) hugetlb_fix_reserve_counts(h, spool); } @@ -623,6 +624,7 @@ static bool remove_mapping_single_folio( */ void remove_mapping_hugepages(struct address_space *mapping, struct hstate *h, struct hugepage_subpool *spool, + struct resv_map *resv_map, struct inode *inode, loff_t lstart, loff_t lend) { const pgoff_t start = lstart >> huge_page_shift(h); @@ -647,7 +649,7 @@ void remove_mapping_hugepages(struct address_space *mapping, * Remove folio that was part of folio_batch. */ if (remove_mapping_single_folio(mapping, folio, index, - h, spool, inode, truncate_op)) + h, spool, resv_map, inode, truncate_op)) freed++; mutex_unlock(&hugetlb_fault_mutex_table[hash]); @@ -657,7 +659,8 @@ void remove_mapping_hugepages(struct address_space *mapping, } if (truncate_op) - (void)hugetlb_unreserve_pages(h, spool, inode, start, LONG_MAX, freed); + (void)hugetlb_unreserve_pages(h, spool, resv_map, inode, + start, LONG_MAX, freed); } void remove_inode_hugepages(struct inode *inode, loff_t lstart, loff_t lend) @@ -665,8 +668,9 @@ void remove_inode_hugepages(struct inode *inode, loff_t lstart, loff_t lend) struct address_space *mapping = &inode->i_data; struct hstate *h = hstate_inode(inode); struct hugepage_subpool *spool = subpool_inode(inode); + struct resv_map *resv_map = inode_resv_map(inode); - return remove_mapping_hugepages(mapping, h, spool, inode, lstart, lend); + return remove_mapping_hugepages(mapping, h, spool, resv_map, inode, lstart, lend); } static void hugetlbfs_evict_inode(struct inode *inode) diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h index d564802ace4b..af04588a5afe 100644 --- a/include/linux/hugetlb.h +++ b/include/linux/hugetlb.h @@ -172,7 +172,8 @@ bool hugetlb_reserve_pages(struct hstate *h, struct hugepage_subpool *spool, struct vm_area_struct *vma, vm_flags_t vm_flags); long hugetlb_unreserve_pages(struct hstate *h, struct hugepage_subpool *spool, - struct inode *inode, long start, long end, long freed); + struct resv_map *resv_map, struct inode *inode, + long start, long end, long freed); bool isolate_hugetlb(struct folio *folio, struct list_head *list); int get_hwpoison_hugetlb_folio(struct folio *folio, bool *hugetlb, bool unpoison); int get_huge_page_for_hwpoison(unsigned long pfn, int flags, @@ -263,6 +264,7 @@ void hugetlb_zero_partial_page(struct hstate *h, struct address_space *mapping, void remove_mapping_hugepages(struct address_space *mapping, struct hstate *h, struct hugepage_subpool *spool, + struct resv_map *resv_map, struct inode *inode, loff_t lstart, loff_t lend); void remove_inode_hugepages(struct inode *inode, loff_t lstart, loff_t lend); @@ -479,7 +481,7 @@ static inline void hugetlb_zero_partial_page( static inline void remove_mapping_hugepages( struct address_space *mapping, struct hstate *h, struct hugepage_subpool *spool, - struct inode *inode, loff_t lstart, loff_t lend) {} + struct resv_map *resv_map, struct inode *inode, loff_t lstart, loff_t lend) {} static inline void remove_inode_hugepages(struct inode *inode, loff_t lstart, loff_t lend) {} #endif /* !CONFIG_HUGETLB_PAGE */ diff --git a/mm/hugetlb.c b/mm/hugetlb.c index aebdd8c63439..a1cbda457aa7 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -6954,9 +6954,9 @@ bool hugetlb_reserve_pages(struct hstate *h, struct hugepage_subpool *spool, * Returns 0 on success. */ long hugetlb_unreserve_pages(struct hstate *h, struct hugepage_subpool *spool, - struct inode *inode, long start, long end, long freed) + struct resv_map *resv_map, struct inode *inode, + long start, long end, long freed) { - struct resv_map *resv_map = inode_resv_map(inode); long chg = 0; long gbl_reserve;