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PM / Hibernate: Touch Soft Lockup Watchdog in rtree_next_node
authorJoerg Roedel <jroedel@suse.de>
Mon, 21 Jul 2014 10:27:02 +0000 (12:27 +0200)
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>
Mon, 28 Jul 2014 23:47:44 +0000 (01:47 +0200)
commit0f7d83e85dbd5bb8032ebed7713edf59670fb074
tree9db80e148252ef099ed944878cfa758fbdf8c203tree | snapshot (tar.gz zip)
parent9047eb629e5cd25ae3834d8c62ae02eb8c32bc17commit | diff
PM / Hibernate: Touch Soft Lockup Watchdog in rtree_next_node

When a memory bitmap is fully populated on a large memory
machine (several TB of RAM) it can take more than a minute
to walk through all bits. This causes the soft lockup
detector on these machine to report warnings.

Avoid this by touching the soft lockup watchdog in the
memory bitmap walking code.

Signed-off-by: Joerg Roedel <jroedel@suse.de>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
kernel/power/snapshot.c diff | blob | blame | history