[RFC PATCH 03/19] mm: hugetlb: Expose remove_inode_hugepages
From: Ackerley Tng <hidden>
Date: 2023-06-06 19:04:38
Also in:
kvm, linux-fsdevel, linux-kselftest, lkml, qemu-devel
Subsystem:
filesystems (vfs and infrastructure), hugetlb subsystem, the rest · Maintainers:
Alexander Viro, Christian Brauner, Muchun Song, Oscar Salvador, Linus Torvalds
TODO may want to move this to hugetlb Signed-off-by: Ackerley Tng <redacted> --- 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
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2.41.0.rc0.172.g3f132b7071-goog