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mm/percpu: Remove some local variables in pcpu_populate_pte
In function pcpu_populate_pte there are already variable defined, it can be reused for later use, here remove duplicated local variables. Signed-off-by: Bibo Mao <maobibo@loongson.cn> Signed-off-by: Dennis Zhou <dennis@kernel.org>
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parent
5d0c230f1d
commit
41fd59b7f9
24
mm/percpu.c
24
mm/percpu.c
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@ -3189,32 +3189,26 @@ void __init __weak pcpu_populate_pte(unsigned long addr)
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pmd_t *pmd;
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if (pgd_none(*pgd)) {
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p4d_t *new;
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new = memblock_alloc(P4D_TABLE_SIZE, P4D_TABLE_SIZE);
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if (!new)
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p4d = memblock_alloc(P4D_TABLE_SIZE, P4D_TABLE_SIZE);
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if (!p4d)
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goto err_alloc;
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pgd_populate(&init_mm, pgd, new);
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pgd_populate(&init_mm, pgd, p4d);
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}
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p4d = p4d_offset(pgd, addr);
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if (p4d_none(*p4d)) {
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pud_t *new;
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new = memblock_alloc(PUD_TABLE_SIZE, PUD_TABLE_SIZE);
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if (!new)
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pud = memblock_alloc(PUD_TABLE_SIZE, PUD_TABLE_SIZE);
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if (!pud)
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goto err_alloc;
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p4d_populate(&init_mm, p4d, new);
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p4d_populate(&init_mm, p4d, pud);
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}
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pud = pud_offset(p4d, addr);
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if (pud_none(*pud)) {
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pmd_t *new;
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new = memblock_alloc(PMD_TABLE_SIZE, PMD_TABLE_SIZE);
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if (!new)
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pmd = memblock_alloc(PMD_TABLE_SIZE, PMD_TABLE_SIZE);
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if (!pmd)
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goto err_alloc;
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pud_populate(&init_mm, pud, new);
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pud_populate(&init_mm, pud, pmd);
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}
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pmd = pmd_offset(pud, addr);
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