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mm/mempolicy: use PAGE_ALIGN instead of open-coding it
Replace the simple calculation with PAGE_ALIGN. Link: https://lkml.kernel.org/r/20220913015505.1998958-1-zuoze1@huawei.com Signed-off-by: ze zuo <zuoze1@huawei.com> Reviewed-by: Muchun Song <songmuchun@bytedance.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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1 changed files with 2 additions and 2 deletions
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@ -1270,7 +1270,7 @@ static long do_mbind(unsigned long start, unsigned long len,
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if (mode == MPOL_DEFAULT)
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if (mode == MPOL_DEFAULT)
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flags &= ~MPOL_MF_STRICT;
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flags &= ~MPOL_MF_STRICT;
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len = (len + PAGE_SIZE - 1) & PAGE_MASK;
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len = PAGE_ALIGN(len);
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end = start + len;
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end = start + len;
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if (end < start)
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if (end < start)
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@ -1507,7 +1507,7 @@ SYSCALL_DEFINE4(set_mempolicy_home_node, unsigned long, start, unsigned long, le
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if (home_node >= MAX_NUMNODES || !node_online(home_node))
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if (home_node >= MAX_NUMNODES || !node_online(home_node))
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return -EINVAL;
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return -EINVAL;
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len = (len + PAGE_SIZE - 1) & PAGE_MASK;
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len = PAGE_ALIGN(len);
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end = start + len;
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end = start + len;
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if (end < start)
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if (end < start)
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