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Dave Kleikamp authored
This fixes a race where a cpu may re-load a tlb from a stale tsb right after it has been flushed by a remote function call. I still see some instability when stressing the system with parallel kernel builds while creating memory pressure by writing to /proc/sys/vm/nr_hugepages, but this patch improves the stability significantly. Signed-off-by:
Dave Kleikamp <dave.kleikamp@oracle.com> Acked-by:
Bob Picco <bob.picco@oracle.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
23a01138