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authorDave Hansen <dave@linux.vnet.ibm.com>2011-09-20 15:19:41 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-09-21 13:15:44 -0700
commit32ef43848f283e0ef945d3c67e851c143fea3970 (patch)
treedc220a36bd188772896ba27db36b243ae1718385 /init
parent3200a8aaab0c9ccdc0f59b0dac2d4a47029137fa (diff)
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teach /proc/$pid/numa_maps about transparent hugepages
This is modeled after the smaps code. It detects transparent hugepages and then does a single gather_stats() for the page as a whole. This has two benifits: 1. It is more efficient since it does many pages in a single shot. 2. It does not have to break down the huge page. Signed-off-by: Dave Hansen <dave@linux.vnet.ibm.com> Acked-by: Hugh Dickins <hughd@google.com> Acked-by: David Rientjes <rientjes@google.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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