diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/cpuset.c | 9 | ||||
| -rw-r--r-- | kernel/fork.c | 20 | ||||
| -rw-r--r-- | kernel/freezer.c | 2 | ||||
| -rw-r--r-- | kernel/memremap.c | 8 | ||||
| -rw-r--r-- | kernel/power/snapshot.c | 10 | ||||
| -rw-r--r-- | kernel/printk/printk.c | 5 | ||||
| -rw-r--r-- | kernel/sysctl.c | 4 |
7 files changed, 19 insertions, 39 deletions
diff --git a/kernel/cpuset.c b/kernel/cpuset.c index 73e93e53884d..c7fd2778ed50 100644 --- a/kernel/cpuset.c +++ b/kernel/cpuset.c @@ -1034,15 +1034,6 @@ static void cpuset_change_task_nodemask(struct task_struct *tsk, { bool need_loop; - /* - * Allow tasks that have access to memory reserves because they have - * been OOM killed to get memory anywhere. - */ - if (unlikely(test_thread_flag(TIF_MEMDIE))) - return; - if (current->flags & PF_EXITING) /* Let dying task have memory */ - return; - task_lock(tsk); /* * Determine if a loop is necessary if another thread is doing diff --git a/kernel/fork.c b/kernel/fork.c index de21f25e0d2c..52e725d4a866 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -165,20 +165,12 @@ static unsigned long *alloc_thread_stack_node(struct task_struct *tsk, struct page *page = alloc_pages_node(node, THREADINFO_GFP, THREAD_SIZE_ORDER); - if (page) - memcg_kmem_update_page_stat(page, MEMCG_KERNEL_STACK, - 1 << THREAD_SIZE_ORDER); - return page ? page_address(page) : NULL; } static inline void free_thread_stack(unsigned long *stack) { - struct page *page = virt_to_page(stack); - - memcg_kmem_update_page_stat(page, MEMCG_KERNEL_STACK, - -(1 << THREAD_SIZE_ORDER)); - __free_pages(page, THREAD_SIZE_ORDER); + __free_pages(virt_to_page(stack), THREAD_SIZE_ORDER); } # else static struct kmem_cache *thread_stack_cache; @@ -223,9 +215,15 @@ static struct kmem_cache *mm_cachep; static void account_kernel_stack(unsigned long *stack, int account) { - struct zone *zone = page_zone(virt_to_page(stack)); + /* All stack pages are in the same zone and belong to the same memcg. */ + struct page *first_page = virt_to_page(stack); + + mod_zone_page_state(page_zone(first_page), NR_KERNEL_STACK_KB, + THREAD_SIZE / 1024 * account); - mod_zone_page_state(zone, NR_KERNEL_STACK, account); + memcg_kmem_update_page_stat( + first_page, MEMCG_KERNEL_STACK_KB, + account * (THREAD_SIZE / 1024)); } void free_task(struct task_struct *tsk) diff --git a/kernel/freezer.c b/kernel/freezer.c index a8900a3bc27a..6f56a9e219fa 100644 --- a/kernel/freezer.c +++ b/kernel/freezer.c @@ -42,7 +42,7 @@ bool freezing_slow_path(struct task_struct *p) if (p->flags & (PF_NOFREEZE | PF_SUSPEND_TASK)) return false; - if (test_thread_flag(TIF_MEMDIE)) + if (test_tsk_thread_flag(p, TIF_MEMDIE)) return false; if (pm_nosig_freezing || cgroup_freezing(p)) diff --git a/kernel/memremap.c b/kernel/memremap.c index 017532193fb1..ddb3247a872a 100644 --- a/kernel/memremap.c +++ b/kernel/memremap.c @@ -308,12 +308,6 @@ void *devm_memremap_pages(struct device *dev, struct resource *res, if (is_ram == REGION_INTERSECTS) return __va(res->start); - if (altmap && !IS_ENABLED(CONFIG_SPARSEMEM_VMEMMAP)) { - dev_err(dev, "%s: altmap requires CONFIG_SPARSEMEM_VMEMMAP=y\n", - __func__); - return ERR_PTR(-ENXIO); - } - if (!ref) return ERR_PTR(-EINVAL); @@ -401,7 +395,6 @@ void vmem_altmap_free(struct vmem_altmap *altmap, unsigned long nr_pfns) altmap->alloc -= nr_pfns; } -#ifdef CONFIG_SPARSEMEM_VMEMMAP struct vmem_altmap *to_vmem_altmap(unsigned long memmap_start) { /* @@ -427,5 +420,4 @@ struct vmem_altmap *to_vmem_altmap(unsigned long memmap_start) return pgmap ? pgmap->altmap : NULL; } -#endif /* CONFIG_SPARSEMEM_VMEMMAP */ #endif /* CONFIG_ZONE_DEVICE */ diff --git a/kernel/power/snapshot.c b/kernel/power/snapshot.c index d90df926b59f..9a0178c2ac1d 100644 --- a/kernel/power/snapshot.c +++ b/kernel/power/snapshot.c @@ -1627,11 +1627,11 @@ static unsigned long minimum_image_size(unsigned long saveable) unsigned long size; size = global_page_state(NR_SLAB_RECLAIMABLE) - + global_page_state(NR_ACTIVE_ANON) - + global_page_state(NR_INACTIVE_ANON) - + global_page_state(NR_ACTIVE_FILE) - + global_page_state(NR_INACTIVE_FILE) - - global_page_state(NR_FILE_MAPPED); + + global_node_page_state(NR_ACTIVE_ANON) + + global_node_page_state(NR_INACTIVE_ANON) + + global_node_page_state(NR_ACTIVE_FILE) + + global_node_page_state(NR_INACTIVE_FILE) + - global_node_page_state(NR_FILE_MAPPED); return saveable <= size ? 0 : saveable - size; } diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c index 60cdf6386763..d4de33934dac 100644 --- a/kernel/printk/printk.c +++ b/kernel/printk/printk.c @@ -3177,9 +3177,8 @@ void show_regs_print_info(const char *log_lvl) { dump_stack_print_info(log_lvl); - printk("%stask: %p ti: %p task.ti: %p\n", - log_lvl, current, current_thread_info(), - task_thread_info(current)); + printk("%stask: %p task.stack: %p\n", + log_lvl, current, task_stack_page(current)); } #endif diff --git a/kernel/sysctl.c b/kernel/sysctl.c index 35f0dcb1cb4f..53954631a4e1 100644 --- a/kernel/sysctl.c +++ b/kernel/sysctl.c @@ -1508,8 +1508,8 @@ static struct ctl_table vm_table[] = { #ifdef CONFIG_NUMA { .procname = "zone_reclaim_mode", - .data = &zone_reclaim_mode, - .maxlen = sizeof(zone_reclaim_mode), + .data = &node_reclaim_mode, + .maxlen = sizeof(node_reclaim_mode), .mode = 0644, .proc_handler = proc_dointvec, .extra1 = &zero, |