| From: |
| Marcelo Tosatti <marcelo.tosatti@cyclades.com> |
| To: |
| akpm@osdl.org, linux-mm@kvack.org,
Nick Piggin <piggin@cyberone.com.au> |
| Subject: |
| [PATCH] print order information when OOM killing |
| Date: |
| Sun, 3 Jul 2005 17:57:23 -0300 |
Subject says it all.
Description: Dump the current allocation order when OOM killing.
--- linux-2.6.11.orig/mm/page_alloc.c 2005-03-02 04:38:34.000000000 -0300
+++ linux-2.6.11/mm/page_alloc.c 2005-07-03 11:27:42.000000000 -0300
@@ -819,7 +819,7 @@
goto got_pg;
}
- out_of_memory(gfp_mask);
+ out_of_memory(gfp_mask, order);
goto restart;
}
--- linux-2.6.11.orig/mm/oom_kill.c 2005-03-02 04:38:09.000000000 -0300
+++ linux-2.6.11/mm/oom_kill.c 2005-07-03 11:31:30.000000000 -0300
@@ -253,7 +253,7 @@
* 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(int gfp_mask)
+void out_of_memory(int gfp_mask, int order)
{
struct mm_struct *mm = NULL;
task_t * p;
@@ -272,7 +272,7 @@
panic("Out of memory and no killable processes...\n");
}
- printk("oom-killer: gfp_mask=0x%x\n", gfp_mask);
+ printk("oom-killer: gfp_mask=0x%x order=%d\n", gfp_mask, order);
show_free_areas();
mm = oom_kill_process(p);
if (!mm)
--- linux-2.6.11.orig/include/linux/swap.h 2005-03-02 04:37:45.000000000 -0300
+++ linux-2.6.11/include/linux/swap.h 2005-07-03 11:28:19.000000000 -0300
@@ -148,7 +148,7 @@
#define vm_swap_full() (nr_swap_pages*2 < total_swap_pages)
/* linux/mm/oom_kill.c */
-extern void out_of_memory(int gfp_mask);
+extern void out_of_memory(int gfp_mask, int order);
/* linux/mm/memory.c */
extern void swapin_readahead(swp_entry_t, unsigned long, struct vm_area_struct *);
--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@kvack.org. For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"aart@kvack.org"> aart@kvack.org </a>