The patch titled Subject: mm-userfaultfd-support-wp-on-multiple-vmas-fix has been added to the -mm mm-nonmm-unstable branch. Its filename is mm-userfaultfd-support-wp-on-multiple-vmas-fix.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-userfaultfd-support-wp-on-multiple-vmas-fix.patch This patch will later appear in the mm-nonmm-unstable branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next via the mm-everything branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm and is updated there every 2-3 working days ------------------------------------------------------ From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> Subject: mm-userfaultfd-support-wp-on-multiple-vmas-fix Date: Thu Feb 23 03:13:06 PM PST 2023 s/VM_WARN_ON_ONCE/VM_WARN_ONCE/ to fix build Cc: Muhammad Usama Anjum <usama.anjum@xxxxxxxxxxxxx> Cc: Peter Xu <peterx@xxxxxxxxxx> Cc: David Hildenbrand <david@xxxxxxxxxx> Cc: Paul Gofman <pgofman@xxxxxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- --- a/mm/userfaultfd.c~mm-userfaultfd-support-wp-on-multiple-vmas-fix +++ a/mm/userfaultfd.c @@ -717,7 +717,7 @@ long uffd_wp_range(struct mm_struct *dst struct mmu_gather tlb; long ret; - VM_WARN_ON_ONCE(start < dst_vma->vm_start || start + len > dst_vma->vm_end, + VM_WARN_ONCE(start < dst_vma->vm_start || start + len > dst_vma->vm_end, "The address range exceeds VMA boundary.\n"); if (enable_wp) mm_cp_flags = MM_CP_UFFD_WP; _ Patches currently in -mm which might be from akpm@xxxxxxxxxxxxxxxxxxxx are mm-page_alloc-reduce-page-alloc-free-sanity-checks-checkpatch-fixes.patch mm-userfaultfd-support-wp-on-multiple-vmas-fix.patch