mm: Ratelimited mirrored memory related warning messages

hulk inclusion
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I4PM01
CVE: NA

--------------------------------

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: NMa Wupeng <mawupeng1@huawei.com>
Reviewed-by: NKefeng Wang <wangkefeng.wang@huawei.com>
Signed-off-by: NZheng Zengkai <zhengzengkai@huawei.com>

mm/memblock.c

@@ -327,7 +327,7 @@ 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;
@@ -1359,7 +1359,7 @@ 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;
 	}