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[PATCH] add OOM debug

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This patch provides more debug info when the system is OOM.  It displays
memory stats (basically sysrq-m info) from __alloc_pages() when page
allocation fails and during OOM kill.

Thanks to Dave Jones for coming up with the idea.

Signed-off-by: Janet Morgan <janetmor@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Janet Morgan
2005-06-21 17:14:56 -07:00
committed by Linus Torvalds
parent c2f29ea111
commit 578c2fd6a7
2 changed files with 5 additions and 3 deletions
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1
mm/page_alloc.c
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@@ -935,6 +935,7 @@ nopage:
" order:%d, mode:0x%x\n",
p->comm, order, gfp_mask);
dump_stack();
show_mem();
}
return NULL;
got_pg: