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| author | Jakub Kicinski <[email protected]> | 2025-01-16 18:30:22 +0000 |
|---|---|---|
| committer | Jakub Kicinski <[email protected]> | 2025-01-16 18:34:59 +0000 |
| commit | 2ee738e90e80850582cbe10f34c6447965c1d87b (patch) | |
| tree | 75a5d764d283bfac0648710f1e8c51680ef992fa /mm/vmstat.c | |
| parent | Merge branch 'net-stmmac-rx-performance-improvement' (diff) | |
| parent | Merge tag 'net-6.13-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/net... (diff) | |
| download | kernel-2ee738e90e80850582cbe10f34c6447965c1d87b.tar.gz kernel-2ee738e90e80850582cbe10f34c6447965c1d87b.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Cross-merge networking fixes after downstream PR (net-6.13-rc8).
Conflicts:
drivers/net/ethernet/realtek/r8169_main.c
1f691a1fc4be ("r8169: remove redundant hwmon support")
152d00a91396 ("r8169: simplify setting hwmon attribute visibility")
https://lore.kernel.org/[email protected]
Adjacent changes:
drivers/net/ethernet/broadcom/bnxt/bnxt.c
152f4da05aee ("bnxt_en: add support for rx-copybreak ethtool command")
f0aa6a37a3db ("eth: bnxt: always recalculate features after XDP clearing, fix null-deref")
drivers/net/ethernet/intel/ice/ice_type.h
50327223a8bb ("ice: add lock to protect low latency interface")
dc26548d729e ("ice: Fix quad registers read on E825")
Signed-off-by: Jakub Kicinski <[email protected]>
Diffstat (limited to 'mm/vmstat.c')
| -rw-r--r-- | mm/vmstat.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/mm/vmstat.c b/mm/vmstat.c index 4d016314a56c..16bfe1c694dd 100644 --- a/mm/vmstat.c +++ b/mm/vmstat.c @@ -2122,10 +2122,20 @@ static void __init start_shepherd_timer(void) { int cpu; - for_each_possible_cpu(cpu) + for_each_possible_cpu(cpu) { INIT_DEFERRABLE_WORK(per_cpu_ptr(&vmstat_work, cpu), vmstat_update); + /* + * For secondary CPUs during CPU hotplug scenarios, + * vmstat_cpu_online() will enable the work. + * mm/vmstat:online enables and disables vmstat_work + * symmetrically during CPU hotplug events. + */ + if (!cpu_online(cpu)) + disable_delayed_work_sync(&per_cpu(vmstat_work, cpu)); + } + schedule_delayed_work(&shepherd, round_jiffies_relative(sysctl_stat_interval)); } @@ -2148,13 +2158,14 @@ static int vmstat_cpu_online(unsigned int cpu) if (!node_state(cpu_to_node(cpu), N_CPU)) { node_set_state(cpu_to_node(cpu), N_CPU); } + enable_delayed_work(&per_cpu(vmstat_work, cpu)); return 0; } static int vmstat_cpu_down_prep(unsigned int cpu) { - cancel_delayed_work_sync(&per_cpu(vmstat_work, cpu)); + disable_delayed_work_sync(&per_cpu(vmstat_work, cpu)); return 0; } |
