hugetlbfs: fix issue of preallocation of gigantic pages can't work
Preallocation of gigantic pages can't work bacause of commitb5389086ad
("hugetlbfs: extend the definition of hugepages parameter to support node allocation"). When nid is NUMA_NO_NODE(-1), alloc_bootmem_huge_page will always return without doing allocation. Fix this by adding more check. Link: https://lkml.kernel.org/r/20211129133803.15653-1-yaozhenguo1@gmail.com Fixes:b5389086ad
("hugetlbfs: extend the definition of hugepages parameter to support node allocation") Signed-off-by: Zhenguo Yao <yaozhenguo1@gmail.com> Reviewed-by: Mike Kravetz <mike.kravetz@oracle.com> Tested-by: Maxim Levitsky <mlevitsk@redhat.com> Reviewed-by: Muchun Song <songmuchun@bytedance.com> Reviewed-by: Baolin Wang <baolin.wang@linux.alibaba.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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@ -2973,7 +2973,7 @@ int __alloc_bootmem_huge_page(struct hstate *h, int nid)
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struct huge_bootmem_page *m = NULL; /* initialize for clang */
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int nr_nodes, node;
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if (nid >= nr_online_nodes)
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if (nid != NUMA_NO_NODE && nid >= nr_online_nodes)
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return 0;
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/* do node specific alloc */
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if (nid != NUMA_NO_NODE) {
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