Commit 47f43e7efadacc627f325aba64c6a547de0926db
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HWPOISON: Stop shrinking at right page count
When we call the slab shrinker to free a page we need to stop at page count one because the caller always holds a single reference, not zero. This avoids useless looping over slab shrinkers and freeing too much memory. Reviewed-by: Wu Fengguang <fengguang.wu@intel.com> Signed-off-by: Andi Kleen <ak@linux.intel.com>
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