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由 Liu Shixin 提交于
hulk inclusion category: feature bugzilla: 46904, https://gitee.com/openeuler/kernel/issues/I4QSHG CVE: NA -------------------------------- Add function to alloc huge page from dhugetlb_pool. When process is bound to a mem_cgroup configured with dhugetlb_pool, only allowed to alloc huge page from dhugetlb_pool. If there is no huge pages in dhugetlb_pool, the mmap() will failed due to the reserve count introduced in previous patch. Signed-off-by: NLiu Shixin <liushixin2@huawei.com> Reviewed-by: NKefeng Wang <wangkefeng.wang@huawei.com> Signed-off-by: NZheng Zengkai <zhengzengkai@huawei.com>
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