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authorKonstantin Khlebnikov <khlebnikov@openvz.org>2012-05-10 16:01:43 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2012-05-10 18:06:44 -0400
commit16fbdce62d9c89b794e303f4a232e4749b77e9ac (patch)
treeb0088af87f70ceeef0fbe55bc2200b4f1b9aa816 /scripts/makelst
parentbc46f9375a286d05f84a9464efc2b7f1f5614ff4 (diff)
proc/pid/pagemap: correctly report non-present ptes and holes between vmas
Reset the current pagemap-entry if the current pte isn't present, or if current vma is over. Otherwise pagemap reports last entry again and again. Non-present pte reporting was broken in commit 092b50bacd1c ("pagemap: introduce data structure for pagemap entry") Reporting for holes was broken in commit 5aaabe831eb5 ("pagemap: avoid splitting thp when reading /proc/pid/pagemap") Signed-off-by: Konstantin Khlebnikov <khlebnikov@openvz.org> Reported-by: Pavel Emelyanov <xemul@parallels.com> Cc: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: Andi Kleen <ak@linux.intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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