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Subject[PATCH v2] fs/pstore: Optimization function ramoops_init_przs
Date
The value of cxt->record_size does not change in the loop,
so this patch optimize the assign statement by dropping
sz entirely and using cxt->record_size in its place.

Signed-off-by: Wang Long <long.wanglong@huawei.com>
---
fs/pstore/ram.c | 8 +++-----
1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/fs/pstore/ram.c b/fs/pstore/ram.c
index 44a549b..f29373d 100644
--- a/fs/pstore/ram.c
+++ b/fs/pstore/ram.c
@@ -394,18 +394,16 @@ static int ramoops_init_przs(struct device *dev, struct ramoops_context *cxt,
}

for (i = 0; i < cxt->max_dump_cnt; i++) {
- size_t sz = cxt->record_size;
-
- cxt->przs[i] = persistent_ram_new(*paddr, sz, 0,
+ cxt->przs[i] = persistent_ram_new(*paddr, cxt->record_size, 0,
&cxt->ecc_info,
cxt->memtype);
if (IS_ERR(cxt->przs[i])) {
err = PTR_ERR(cxt->przs[i]);
dev_err(dev, "failed to request mem region (0x%zx@0x%llx): %d\n",
- sz, (unsigned long long)*paddr, err);
+ cxt->record_size, (unsigned long long)*paddr, err);
goto fail_prz;
}
- *paddr += sz;
+ *paddr += cxt->record_size;
}

return 0;
--
1.8.3.4


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