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Liam Howlett authored
When initially starting a search, the root node may already be in the process of being replaced in RCU mode. Detect and restart the walk if this is the case. This is necessary for RCU mode of the maple tree. Link: https://lkml.kernel.org/r/20230227173632.3292573-3-surenb@google.com Fixes: 54a611b6 ("Maple Tree: add new data structure") Signed-off-by:
Liam Howlett <Liam.Howlett@oracle.com> Signed-off-by:
Suren Baghdasaryan <surenb@google.com> Cc: <stable@vger.kernel.org> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org>
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