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authorBibo Mao <maobibo@loongson.cn>2023-07-12 11:16:20 +0800
committerDennis Zhou <dennis@kernel.org>2023-08-25 08:04:59 -0700
commit41fd59b7f9bdde2a473450680411c2016017b992 (patch)
tree88c6c55cada787567c44db1645f06aee9f194282
parent5d0c230f1de8c7515b6567d9afba1f196fb4e2f4 (diff)
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>
-rw-r--r--mm/percpu.c24
1 files changed, 9 insertions, 15 deletions
diff --git a/mm/percpu.c b/mm/percpu.c
index 28e07ede46f6..85e3f9b2a61f 100644
--- a/mm/percpu.c
+++ b/mm/percpu.c
@@ -3189,32 +3189,26 @@ void __init __weak pcpu_populate_pte(unsigned long addr)
pmd_t *pmd;
if (pgd_none(*pgd)) {
- p4d_t *new;
-
- new = memblock_alloc(P4D_TABLE_SIZE, P4D_TABLE_SIZE);
- if (!new)
+ p4d = memblock_alloc(P4D_TABLE_SIZE, P4D_TABLE_SIZE);
+ if (!p4d)
goto err_alloc;
- pgd_populate(&init_mm, pgd, new);
+ pgd_populate(&init_mm, pgd, p4d);
}
p4d = p4d_offset(pgd, addr);
if (p4d_none(*p4d)) {
- pud_t *new;
-
- new = memblock_alloc(PUD_TABLE_SIZE, PUD_TABLE_SIZE);
- if (!new)
+ pud = memblock_alloc(PUD_TABLE_SIZE, PUD_TABLE_SIZE);
+ if (!pud)
goto err_alloc;
- p4d_populate(&init_mm, p4d, new);
+ p4d_populate(&init_mm, p4d, pud);
}
pud = pud_offset(p4d, addr);
if (pud_none(*pud)) {
- pmd_t *new;
-
- new = memblock_alloc(PMD_TABLE_SIZE, PMD_TABLE_SIZE);
- if (!new)
+ pmd = memblock_alloc(PMD_TABLE_SIZE, PMD_TABLE_SIZE);
+ if (!pmd)
goto err_alloc;
- pud_populate(&init_mm, pud, new);
+ pud_populate(&init_mm, pud, pmd);
}
pmd = pmd_offset(pud, addr);