tree ff6671cab70dfaed00cf19367a6a71b1cda0cdf4
parent 05f9ca83596c7801549a2b4eba469d51baf5480f
author David S. Miller <davem@sunset.davemloft.net> 1142667647 -0800
committer David S. Miller <davem@sunset.davemloft.net> 1142846198 -0800

[SPARC64]: Don't kill the page allocator when growing a TSB.

Try only lightly on > 1 order allocations.

If a grow fails, we are under memory pressure, so do not try
to grow the TSB for this address space any more.

If a > 0 order TSB allocation fails on a new fork, retry using
a 0 order allocation.

Signed-off-by: David S. Miller <davem@davemloft.net>