Hi,
While testing builds containing this change (commit id:
92923ca3aacef63c92dc297a75ad0c6dfe4eab37), I've observed that memory fails to
come online in the hotplug case. When attempting to bring the hot added pages
online (via udev rules or manually writing to sysfs); it's failing with -EBUSY
error because the hot added pages no longer have the Reserved flag set.
The reserved bit is being checked in memory_block_action() in
drivers/base/memory.c:
switch (action) {
case MEM_ONLINE:
if (!pages_correctly_reserved(start_pfn))
return -EBUSY;
Should the reserved bit be set in some other place? Or should the above test be
removed from sysfs memory device?
--
Alex Ng
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