From: Ma Wupeng mawupeng1@huawei.com
hulk inclusion category: feature bugzilla: https://gitee.com/openeuler/kernel/issues/I4SK3S CVE: NA
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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 Reviewed-by: Xie XiuQi xiexiuqi@huawei.com Reviewed-by: Kefeng Wangwangkefeng.wang@huawei.com Signed-off-by: Yang Yingliang yangyingliang@huawei.com --- mm/memblock.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/mm/memblock.c b/mm/memblock.c index 13be610a381f4..80c6975ace6f2 100644 --- a/mm/memblock.c +++ b/mm/memblock.c @@ -291,7 +291,7 @@ 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; @@ -1425,7 +1425,7 @@ static void * __init memblock_virt_alloc_internal(
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; }