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mm: Ratelimited mirrored memory related warning messages

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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: David Hildenbrand <david@redhat.com>
Acked-by: Mike Rapoport <rppt@linux.ibm.com>
Reviewed-by: Anshuman Khandual <anshuman.khandual@arm.com>
Reviewed-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Link: https://lore.kernel.org/r/20220614092156.1972846-3-mawupeng1@huawei.com
Acked-by: Mike Rapoport <rppt@linux.ibm.com>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
This commit is contained in:
Ma Wupeng 2022-06-14 17:21:53 +08:00 committed by Ard Biesheuvel
parent 6365a1935c
commit 14d9a675fd
1 changed files with 2 additions and 2 deletions
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4
mm/memblock.c
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@ -327,7 +327,7 @@ again:
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 @@ again:
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;
}