31 lines
1003 B
Plaintext
31 lines
1003 B
Plaintext
From: Andrea Arcangeli <andrea@suse.de>
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Subject: Tell the end user they should not worry about GFP_ATOMIC failures
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Patch-mainline: no
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References: SUSE48965
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x
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Signed-off-by: Andrea Arcangeli <andrea@suse.de>
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---
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mm/page_alloc.c | 8 +++++++-
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1 file changed, 7 insertions(+), 1 deletion(-)
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--- a/mm/page_alloc.c
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+++ b/mm/page_alloc.c
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@@ -2087,7 +2087,13 @@ rebalance:
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nopage:
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if (!(gfp_mask & __GFP_NOWARN) && printk_ratelimit()) {
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- printk(KERN_WARNING "%s: page allocation failure."
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+ if (!wait) {
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+ printk(KERN_INFO "The following is only an harmless informational message.\n");
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+ printk(KERN_INFO "Unless you get a _continuous_flood_ of these messages it means\n");
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+ printk(KERN_INFO "everything is working fine. Allocations from irqs cannot be\n");
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+ printk(KERN_INFO "perfectly reliable and the kernel is designed to handle that.\n");
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+ }
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+ printk(KERN_INFO "%s: page allocation failure."
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" order:%d, mode:0x%x\n",
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current->comm, order, gfp_mask);
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dump_stack();
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