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SubjectRe: [PATCH v3 3/6] mm: Ratelimited mirrored memory related warning messages
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On 07.06.22 11:38, Wupeng Ma wrote:
> From: Ma Wupeng <mawupeng1@huawei.com>
>
> If system has mirrored memory, memblock will try to allocate mirrored
> memory firstly and fallback to non-mirrored memory when fails, but if with
> limited mirrored memory or some numa node without mirrored memory, lots of
> warning message about memblock allocation will occur.
>
> This patch ratelimit the warning message to avoid a very long print during
> bootup.
>
> Signed-off-by: Ma Wupeng <mawupeng1@huawei.com>
> ---
> mm/memblock.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/mm/memblock.c b/mm/memblock.c
> index e4f03a6e8e56..b1d2a0009733 100644
> --- a/mm/memblock.c
> +++ b/mm/memblock.c
> @@ -327,7 +327,7 @@ static phys_addr_t __init_memblock memblock_find_in_range(phys_addr_t start,
> NUMA_NO_NODE, flags);
>
> if (!ret && (flags & MEMBLOCK_MIRROR)) {
> - pr_warn("Could not allocate %pap bytes of mirrored memory\n",
> + pr_warn_ratelimited("Could not allocate %pap bytes of mirrored memory\n",
> &size);
> flags &= ~MEMBLOCK_MIRROR;
> goto again;
> @@ -1384,7 +1384,7 @@ phys_addr_t __init memblock_alloc_range_nid(phys_addr_t size,
>
> if (flags & MEMBLOCK_MIRROR) {
> flags &= ~MEMBLOCK_MIRROR;
> - pr_warn("Could not allocate %pap bytes of mirrored memory\n",
> + pr_warn_ratelimited("Could not allocate %pap bytes of mirrored memory\n",
> &size);
> goto again;
> }

Reviewed-by: David Hildenbrand <david@redhat.com>

--
Thanks,

David / dhildenb

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