From 79b9ce311e192e9a31fd9f3cf1ee4a4edf9e2650 Mon Sep 17 00:00:00 2001 From: Marcelo Tosatti Date: Thu, 7 Jul 2005 17:56:04 -0700 Subject: [PATCH] [PATCH] print order information when OOM killing Dump the current allocation order when OOM killing. Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/char/sysrq.c | 2 +- include/linux/swap.h | 2 +- mm/oom_kill.c | 4 ++-- mm/page_alloc.c | 2 +- 4 files changed, 5 insertions(+), 5 deletions(-) diff --git a/drivers/char/sysrq.c b/drivers/char/sysrq.c index af79805b557..12d563c648f 100644 --- a/drivers/char/sysrq.c +++ b/drivers/char/sysrq.c @@ -228,7 +228,7 @@ static struct sysrq_key_op sysrq_term_op = { static void moom_callback(void *ignored) { - out_of_memory(GFP_KERNEL); + out_of_memory(GFP_KERNEL, 0); } static DECLARE_WORK(moom_work, moom_callback, NULL); diff --git a/include/linux/swap.h b/include/linux/swap.h index 2343f999e6e..c75954f2d86 100644 --- a/include/linux/swap.h +++ b/include/linux/swap.h @@ -148,7 +148,7 @@ struct swap_list_t { #define vm_swap_full() (nr_swap_pages*2 < total_swap_pages) /* linux/mm/oom_kill.c */ -extern void out_of_memory(unsigned int __nocast gfp_mask); +extern void out_of_memory(unsigned int __nocast gfp_mask, int order); /* linux/mm/memory.c */ extern void swapin_readahead(swp_entry_t, unsigned long, struct vm_area_struct *); diff --git a/mm/oom_kill.c b/mm/oom_kill.c index 59666d905f1..e20d559edba 100644 --- a/mm/oom_kill.c +++ b/mm/oom_kill.c @@ -253,12 +253,12 @@ static struct mm_struct *oom_kill_process(struct task_struct *p) * OR try to be smart about which process to kill. Note that we * don't have to be perfect here, we just have to be good. */ -void out_of_memory(unsigned int __nocast gfp_mask) +void out_of_memory(unsigned int __nocast gfp_mask, int order) { struct mm_struct *mm = NULL; task_t * p; - printk("oom-killer: gfp_mask=0x%x\n", gfp_mask); + printk("oom-killer: gfp_mask=0x%x, order=%d\n", gfp_mask, order); /* print memory stats */ show_mem(); diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 3c9f7f88112..7fbd3ea8765 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -936,7 +936,7 @@ rebalance: goto got_pg; } - out_of_memory(gfp_mask); + out_of_memory(gfp_mask, order); goto restart; }