mm/hugetlb: remove redundant check in preparing and destroying gigantic page
stable inclusion from stable-5.10.50 commit 2e16ad561143b97df021016e1835e5ea72ad499a bugzilla: 174522 https://gitee.com/openeuler/kernel/issues/I4DNFY Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=2e16ad561143b97df021016e1835e5ea72ad499a -------------------------------- [ Upstream commit 5291c09b ] Gigantic page is a compound page and its order is more than 1. Thus it must be available for hpage_pincount. Let's remove the redundant check for gigantic page. Link: https://lkml.kernel.org/r/20210202112002.73170-1-yanfei.xu@windriver.comSigned-off-by: NYanfei Xu <yanfei.xu@windriver.com> Reviewed-by: NMike Kravetz <mike.kravetz@oracle.com> Reviewed-by: NDavid Hildenbrand <david@redhat.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org> Signed-off-by: NSasha Levin <sashal@kernel.org> Signed-off-by: NChen Jun <chenjun102@huawei.com> Acked-by: NWeilong Chen <chenweilong@huawei.com> Signed-off-by: NChen Jun <chenjun102@huawei.com> Signed-off-by: NZheng Zengkai <zhengzengkai@huawei.com>
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