Messages in this thread | | | Date | Fri, 4 Aug 2023 12:14:16 -0700 | From | Andrew Morton <> | Subject | Re: [PATCH v4 1/6] mm: enable page walking API to lock vmas during the walk |
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On Fri, 4 Aug 2023 08:27:19 -0700 Suren Baghdasaryan <surenb@google.com> wrote:
> walk_page_range() and friends often operate under write-locked mmap_lock. > With introduction of vma locks, the vmas have to be locked as well > during such walks to prevent concurrent page faults in these areas. > Add an additional member to mm_walk_ops to indicate locking requirements > for the walk. > > ... > > 18 files changed, 100 insertions(+), 20 deletions(-) >
That's a big patch for a -stable backport.
Presumably the various -stable maintainers will be wondering why we're doing this. But, as is so often the case, the changelog fails to describe any user-visible effects of the change. Please send this info and I'll add it to the changelog.
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