The patch titled
Subject: userfaultfd: non-cooperative: dup_userfaultfd: use mm_count instead of mm_users
has been removed from the -mm tree. Its filename was
userfaultfd-non-cooperative-dup_userfaultfd-use-mm_count-instead-of-mm_users.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
From: Mike Rapoport <rppt@xxxxxxxxxxxxxxxxxx>
Subject: userfaultfd: non-cooperative: dup_userfaultfd: use mm_count instead of mm_users
Since commit d2005e3f41d4 (userfaultfd: don't pin the user memory in
userfaultfd_file_create()) userfaultfd uses mm_count rather than mm_users
to pin mm_struct. Make dup_userfaultfd consistent with this behaviour
Link: http://lkml.kernel.org/r/20161216144821.5183-11-aarcange@xxxxxxxxxx
Signed-off-by: Mike Rapoport <rppt@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Andrea Arcangeli <aarcange@xxxxxxxxxx>
Cc: "Dr. David Alan Gilbert" <dgilbert@xxxxxxxxxx>
Cc: Hillf Danton <hillf.zj@xxxxxxxxxxxxxxx>
Cc: Michael Rapoport <RAPOPORT@xxxxxxxxxx>
Cc: Mike Kravetz <mike.kravetz@xxxxxxxxxx>
Cc: Pavel Emelyanov <xemul@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/userfaultfd.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff -puN fs/userfaultfd.c~userfaultfd-non-cooperative-dup_userfaultfd-use-mm_count-instead-of-mm_users fs/userfaultfd.c
--- a/fs/userfaultfd.c~userfaultfd-non-cooperative-dup_userfaultfd-use-mm_count-instead-of-mm_users
+++ a/fs/userfaultfd.c
@@ -558,7 +558,7 @@ int dup_userfaultfd(struct vm_area_struc
ctx->features = octx->features;
ctx->released = false;
ctx->mm = vma->vm_mm;
- atomic_inc(&ctx->mm->mm_users);
+ atomic_inc(&ctx->mm->mm_count);
userfaultfd_ctx_get(octx);
fctx->orig = octx;
_
Patches currently in -mm which might be from rppt@xxxxxxxxxxxxxxxxxx are
userfaultfd-non-cooperative-rename-event_madvdontneed-to-event_remove.patch
userfaultfd-non-cooperative-add-madvise-event-for-madv_remove-request.patch
userfaultfd-non-cooperative-selftest-enable-remove-event-test-for-shmem.patch
mm-call-vm_munmap-in-munmap-syscall-instead-of-using-open-coded-version.patch
userfaultfd-non-cooperative-add-event-for-memory-unmaps.patch
userfaultfd-non-cooperative-add-event-for-exit-notification.patch
userfaultfd-non-cooperative-add-event-for-exit-notification-fix.patch
userfaultfd-mcopy_atomic-return-enoent-when-no-compatible-vma-found.patch
userfaultfd-mcopy_atomic-return-enoent-when-no-compatible-vma-found-fix.patch
userfaultfd_copy-return-enospc-in-case-mm-has-gone.patch
userfaultfd-documentation-update.patch
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