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Tue, 06 Jun 2023 12:04:18 -0700 (PDT) Date: Tue, 6 Jun 2023 19:03:48 +0000 In-Reply-To: Mime-Version: 1.0 References: X-Mailer: git-send-email 2.41.0.rc0.172.g3f132b7071-goog Message-ID: <0ae157ec9e196f353ecf9036dbffdc295c994817.1686077275.git.ackerleytng@google.com> Subject: [RFC PATCH 03/19] mm: hugetlb: Expose remove_inode_hugepages 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-fsdevel@vger.kernel.org TODO may want to move this to hugetlb Signed-off-by: Ackerley Tng --- fs/hugetlbfs/inode.c | 3 +-- include/linux/hugetlb.h | 4 ++++ 2 files changed, 5 insertions(+), 2 deletions(-) diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c index 3dab50d3ed88..4f25df31ae80 100644 --- a/fs/hugetlbfs/inode.c +++ b/fs/hugetlbfs/inode.c @@ -611,8 +611,7 @@ static bool remove_inode_single_folio(struct hstate *h, struct inode *inode, * Note: If the passed end of range value is beyond the end of file, but * not LLONG_MAX this routine still performs a hole punch operation. */ -static void remove_inode_hugepages(struct inode *inode, loff_t lstart, - loff_t lend) +void remove_inode_hugepages(struct inode *inode, loff_t lstart, loff_t lend) { struct hstate *h = hstate_inode(inode); struct address_space *mapping = &inode->i_data; diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h index 023293ceec25..1483020b412b 100644 --- a/include/linux/hugetlb.h +++ b/include/linux/hugetlb.h @@ -259,6 +259,8 @@ void hugetlb_unshare_all_pmds(struct vm_area_struct *vma); void hugetlb_zero_partial_page(struct hstate *h, struct address_space *mapping, loff_t start, loff_t end); +void remove_inode_hugepages(struct inode *inode, loff_t lstart, loff_t lend); + #else /* !CONFIG_HUGETLB_PAGE */ static inline void hugetlb_dup_vma_private(struct vm_area_struct *vma) @@ -470,6 +472,8 @@ static inline void hugetlb_unshare_all_pmds(struct vm_area_struct *vma) { } static inline void hugetlb_zero_partial_page( struct hstate *h, struct address_space *mapping, loff_t start, loff_t end) {} +static inline void remove_inode_hugepages(struct inode *inode, loff_t lstart, loff_t lend) {} + #endif /* !CONFIG_HUGETLB_PAGE */ /* * hugepages at page global directory. If arch support