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V" , Mike Kravetz Subject: [PATCH v3 02/12] mm/hugetlb: Declare hugetlbfs_pagecache_present() non-static Date: Thu, 21 Mar 2024 18:07:52 -0400 Message-ID: <20240321220802.679544-3-peterx@redhat.com> X-Mailer: git-send-email 2.44.0 In-Reply-To: <20240321220802.679544-1-peterx@redhat.com> References: <20240321220802.679544-1-peterx@redhat.com> MIME-Version: 1.0 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset="US-ASCII"; x-default=true X-Rspamd-Queue-Id: B8495A001C X-Rspam-User: X-Rspamd-Server: rspam05 X-Stat-Signature: ifnmj8ac99j18oy9zwr1boyghsc76j8k X-HE-Tag: 1711058892-175048 X-HE-Meta: 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 17ASIEkA MRpT2qIlsCTKGqLXGE2vMOOmeqFblBHu0uNqb8iWNV0gVPyF7Fajwd3MR50Q65mKMDH5YNgMAJ4WAzxjXHiFpXOGnaevfYmauMI8e+9y9UauileAJQAnnEo8qi6XvAiyPkPlm4drFTuHNe3fgD5Q5ft5+Py2zFcu+JeRelBSdBFDjYY5x4HUeuT8Tz0/7a8G6u27+gStAPnXExyLxip7cH1O5jENsbU/cz24cyuYA+tVPaP/zNhGA+7Tkp/kyHV4UcKw0+6e9lCwlLip4q0YZ2iA/U75fLMFdxRozduAita1BVTCVZUG74LH+byEvkvLP/Gbpbi5GGL3A6D4m3ElSvS4jbri80NUo9rd2w5pWwNrqEQi3mr8hieceaXuszT3M3XObhz234vXMPaJLs9z4YzR4k+RpzZqHXCCCVJLgIrYfSNK3MnXY6mY0rQ== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: From: Peter Xu It will be used outside hugetlb.c soon. Signed-off-by: Peter Xu --- include/linux/hugetlb.h | 9 +++++++++ mm/hugetlb.c | 4 ++-- 2 files changed, 11 insertions(+), 2 deletions(-) diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h index 300de33c6fde..52d9efcf1edf 100644 --- a/include/linux/hugetlb.h +++ b/include/linux/hugetlb.h @@ -174,6 +174,9 @@ u32 hugetlb_fault_mutex_hash(struct address_space *mapping, pgoff_t idx); pte_t *huge_pmd_share(struct mm_struct *mm, struct vm_area_struct *vma, unsigned long addr, pud_t *pud); +bool hugetlbfs_pagecache_present(struct hstate *h, + struct vm_area_struct *vma, + unsigned long address); struct address_space *hugetlb_page_mapping_lock_write(struct page *hpage); @@ -1197,6 +1200,12 @@ static inline void hugetlb_register_node(struct node *node) static inline void hugetlb_unregister_node(struct node *node) { } + +static inline bool hugetlbfs_pagecache_present( + struct hstate *h, struct vm_area_struct *vma, unsigned long address) +{ + return false; +} #endif /* CONFIG_HUGETLB_PAGE */ static inline spinlock_t *huge_pte_lock(struct hstate *h, diff --git a/mm/hugetlb.c b/mm/hugetlb.c index 23ef240ba48a..abec04575c89 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -6129,8 +6129,8 @@ static vm_fault_t hugetlb_wp(struct mm_struct *mm, struct vm_area_struct *vma, /* * Return whether there is a pagecache page to back given address within VMA. */ -static bool hugetlbfs_pagecache_present(struct hstate *h, - struct vm_area_struct *vma, unsigned long address) +bool hugetlbfs_pagecache_present(struct hstate *h, + struct vm_area_struct *vma, unsigned long address) { struct address_space *mapping = vma->vm_file->f_mapping; pgoff_t idx = linear_page_index(vma, address); -- 2.44.0