oom_kill.c (94851b18d4eb94f8bbf0d9176f7429bd8e371f62) oom_kill.c (e1f56c89b040134add93f686931cc266541d239a)
1/*
2 * linux/mm/oom_kill.c
3 *
4 * Copyright (C) 1998,2000 Rik van Riel
5 * Thanks go out to Claus Fischer for some serious inspiration and
6 * for goading me into coding this file...
7 * Copyright (C) 2010 Google, Inc.
8 * Rewritten by David Rientjes

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156 task_unlock(p);
157 return 0;
158 }
159
160 /*
161 * The baseline for the badness score is the proportion of RAM that each
162 * task's rss, pagetable and swap space use.
163 */
1/*
2 * linux/mm/oom_kill.c
3 *
4 * Copyright (C) 1998,2000 Rik van Riel
5 * Thanks go out to Claus Fischer for some serious inspiration and
6 * for goading me into coding this file...
7 * Copyright (C) 2010 Google, Inc.
8 * Rewritten by David Rientjes

--- 147 unchanged lines hidden (view full) ---

156 task_unlock(p);
157 return 0;
158 }
159
160 /*
161 * The baseline for the badness score is the proportion of RAM that each
162 * task's rss, pagetable and swap space use.
163 */
164 points = get_mm_rss(p->mm) + p->mm->nr_ptes +
164 points = get_mm_rss(p->mm) + atomic_long_read(&p->mm->nr_ptes) +
165 get_mm_counter(p->mm, MM_SWAPENTS);
166 task_unlock(p);
167
168 /*
169 * Root processes get 3% bonus, just like the __vm_enough_memory()
170 * implementation used by LSMs.
171 */
172 if (has_capability_noaudit(p, CAP_SYS_ADMIN))

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359 /*
360 * This is a kthread or all of p's threads have already
361 * detached their mm's. There's no need to report
362 * them; they can't be oom killed anyway.
363 */
364 continue;
365 }
366
165 get_mm_counter(p->mm, MM_SWAPENTS);
166 task_unlock(p);
167
168 /*
169 * Root processes get 3% bonus, just like the __vm_enough_memory()
170 * implementation used by LSMs.
171 */
172 if (has_capability_noaudit(p, CAP_SYS_ADMIN))

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359 /*
360 * This is a kthread or all of p's threads have already
361 * detached their mm's. There's no need to report
362 * them; they can't be oom killed anyway.
363 */
364 continue;
365 }
366
367 pr_info("[%5d] %5d %5d %8lu %8lu %7lu %8lu %5hd %s\n",
367 pr_info("[%5d] %5d %5d %8lu %8lu %7ld %8lu %5hd %s\n",
368 task->pid, from_kuid(&init_user_ns, task_uid(task)),
369 task->tgid, task->mm->total_vm, get_mm_rss(task->mm),
368 task->pid, from_kuid(&init_user_ns, task_uid(task)),
369 task->tgid, task->mm->total_vm, get_mm_rss(task->mm),
370 task->mm->nr_ptes,
370 atomic_long_read(&task->mm->nr_ptes),
371 get_mm_counter(task->mm, MM_SWAPENTS),
372 task->signal->oom_score_adj, task->comm);
373 task_unlock(task);
374 }
375 rcu_read_unlock();
376}
377
378static void dump_header(struct task_struct *p, gfp_t gfp_mask, int order,

--- 313 unchanged lines hidden --- 		371 get_mm_counter(task->mm, MM_SWAPENTS),
372 task->signal->oom_score_adj, task->comm);
373 task_unlock(task);
374 }
375 rcu_read_unlock();
376}
377
378static void dump_header(struct task_struct *p, gfp_t gfp_mask, int order,

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