4 Aug
2023
4 Aug
'23
7:14 p.m.
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.