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authorlong.wanglong <long.wanglong@huawei.com>2015-05-21 09:47:22 -0700
committerTony Luck <tony.luck@intel.com>2015-05-21 09:47:22 -0700
commit07239fc854ec61b3cdc400d2a50d322d39c673f6 (patch)
tree55183d6636f9443e71f47b195fc574f850f1b139 /fs
parent42222c2a5d5da7fe4839491d5c44034f40761071 (diff)
downloadlinux-07239fc854ec61b3cdc400d2a50d322d39c673f6.tar.bz2
fs/pstore: Optimization function ramoops_init_przs
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> Acked-by: Kees Cook <keescook@chromium.org> Signed-off-by: Tony Luck <tony.luck@intel.com>
Diffstat (limited to 'fs')
-rw-r--r--fs/pstore/ram.c8
1 files changed, 3 insertions, 5 deletions
diff --git a/fs/pstore/ram.c b/fs/pstore/ram.c
index 44a549beeafa..f29373d299b0 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;