The patch titled
Subject: hugetlb: fix build issue for missing hugetlb_vma_lock_release
has been added to the -mm mm-unstable branch. Its filename is
hugetlb-add-vma-based-lock-for-pmd-sharing-fix.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/hugetlb-add-vma-based-lock-for-pmd-sharing-fix.patch
This patch will later appear in the mm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: Mike Kravetz <mike.kravetz@xxxxxxxxxx>
Subject: hugetlb: fix build issue for missing hugetlb_vma_lock_release
Add a stub for hugetlb_vma_lock_release to build in the case
CONFIG_HUGETLB_PAGE && !CONFIG_ARCH_WANT_HUGE_PMD_SHARE.
Link: https://lkml.kernel.org/r/YyNUtA1vRASOE4+M@monkey
Signed-off-by: Mike Kravetz <mike.kravetz@xxxxxxxxxx>
Reported-by: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/hugetlb.c | 5 +++++
1 file changed, 5 insertions(+)
--- a/mm/hugetlb.c~hugetlb-add-vma-based-lock-for-pmd-sharing-fix
+++ a/mm/hugetlb.c
@@ -6942,6 +6942,11 @@ int huge_pmd_unshare(struct mm_struct *m
}
#else /* !CONFIG_ARCH_WANT_HUGE_PMD_SHARE */
+
+void hugetlb_vma_lock_release(struct kref *kref)
+{
+}
+
static void hugetlb_vma_lock_free(struct vm_area_struct *vma)
{
}
_
Patches currently in -mm which might be from mike.kravetz@xxxxxxxxxx are
hugetlbfs-revert-use-i_mmap_rwsem-to-address-page-fault-truncate-race.patch
hugetlbfs-revert-use-i_mmap_rwsem-for-more-pmd-sharing-synchronization.patch
hugetlb-rename-remove_huge_page-to-hugetlb_delete_from_page_cache.patch
hugetlb-create-remove_inode_single_folio-to-remove-single-file-folio.patch
hugetlb-rename-vma_shareable-and-refactor-code.patch
hugetlb-add-vma-based-lock-for-pmd-sharing.patch
hugetlb-add-vma-based-lock-for-pmd-sharing-fix.patch
hugetlb-create-hugetlb_unmap_file_folio-to-unmap-single-file-folio.patch
hugetlb-use-new-vma_lock-for-pmd-sharing-synchronization.patch
hugetlb-clean-up-code-checking-for-fault-truncation-races.patch
