Sorry, please ignore this series. Sent by mistake. On 11/12/2014 04:36 PM, Tang Chen wrote:
There are two problems when calculating node meminfo:1. When hot-adding a node without onlining any page, MemTotal corrupted. # hot-add node2 (memory not onlined) # cat /sys/device/system/node/node2/meminfo Node 2 MemTotal: 33554432 kB /* corrupted */ Node 2 MemFree: 0 kB Node 2 MemUsed: 33554432 kB Node 2 Active: 0 kB ...... 2. When onlining memory on node2, MemFree of node3 corrupted. # for ((i = 2048; i < 2064; i++)); do echo online_movable > /sys/devices/system/node/node2/memory$i/state; done # cat /sys/devices/system/node/node2/meminfo Node 2 MemTotal: 33554432 kB Node 2 MemFree: 33549092 kB Node 2 MemUsed: 5340 kB ...... # cat /sys/devices/system/node/node3/meminfo Node 3 MemTotal: 0 kB Node 3 MemFree: 248 kB /* corrupted */ Node 3 MemUsed: 0 kB ...... This patch-set fixes them. Tang Chen (2): mem-hotplug: Reset node managed pages when hot-adding a new pgdat. mem-hotplug: Fix wrong check for zone->pageset initialization in online_pages(). include/linux/bootmem.h | 1 + include/linux/mm.h | 1 + mm/bootmem.c | 9 +++++---- mm/memory_hotplug.c | 15 ++++++++++++++- mm/nobootmem.c | 8 +++++--- mm/page_alloc.c | 5 +++++ 6 files changed, 31 insertions(+), 8 deletions(-)
-- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
