At Tue, 30 Nov 2004 11:55:00 -0800, Dave Hansen wrote: > > Could you please repost this with the cpu macro fix, and a signed-off-by > line? Here it is. This applies on top of linux-2.6.10-mm1-mhp-test7. Signed-off-by: IWAMOTO Toshihiro Signed-off-by: Dave Hansen --- memhotplug-dave/mm/page_alloc.c | 20 ++++++++++++++++++++ 1 files changed, 20 insertions(+) diff -puN mm/page_alloc.c~K8-call_lru_add_drain_when_removing_memory mm/page_alloc.c --- memhotplug/mm/page_alloc.c~K8-call_lru_add_drain_when_removing_memory 2005-04-13 14:21:07.000000000 -0700 +++ memhotplug-dave/mm/page_alloc.c 2005-04-13 14:21:07.000000000 -0700 @@ -375,6 +375,25 @@ static inline void extract_pages(struct } #ifdef CONFIG_MEMORY_REMOVE + +DEFINE_PER_CPU(struct work_struct, lru_drain_wq); +static void lru_drain_schedule(void *p) +{ + int cpu = get_cpu(); + + schedule_work(&per_cpu(lru_drain_wq, cpu)); + put_cpu(); +} +static int __init lru_drain_wq_init(void) +{ + int i; + + for_each_cpu(i) + INIT_WORK(&per_cpu(lru_drain_wq, i), (void (*)(void *))lru_add_drain, NULL); + return 0; +} +module_init(lru_drain_wq_init); + /* * Called when trying to allocate or free a page that has been marked for * removal. @@ -748,6 +767,7 @@ int capture_page_range(unsigned long sta page = pfn_to_page(start_pfn); remove_page_freearea(page, order); + on_each_cpu(lru_drain_schedule, NULL, 1, 1); force_captured_to_inactive_list(page); /* * storing the last result (fp) keeps up from having _