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-rw-r--r--mm/page_alloc.c19
1 files changed, 16 insertions, 3 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 2aaafe82f513..36a168e383b5 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -2171,12 +2171,25 @@ rebalance:
nopage:
if (!(gfp_mask & __GFP_NOWARN) && printk_ratelimit()) {
- printk(KERN_WARNING "%s: page allocation failure."
- " order:%d, mode:0x%x\n",
+ unsigned int filter = SHOW_MEM_FILTER_NODES;
+
+ /*
+ * This documents exceptions given to allocations in certain
+ * contexts that are allowed to allocate outside current's set
+ * of allowed nodes.
+ */
+ if (!(gfp_mask & __GFP_NOMEMALLOC))
+ if (test_thread_flag(TIF_MEMDIE) ||
+ (current->flags & (PF_MEMALLOC | PF_EXITING)))
+ filter &= ~SHOW_MEM_FILTER_NODES;
+ if (in_interrupt() || !wait)
+ filter &= ~SHOW_MEM_FILTER_NODES;
+
+ pr_warning("%s: page allocation failure. order:%d, mode:0x%x\n",
current->comm, order, gfp_mask);
dump_stack();
if (!should_suppress_show_mem())
- show_mem();
+ __show_mem(filter);
}
return page;
got_pg: