[PATCH] fs/pstore: Optimization function ramoops_init_przs

From: Wang Long
Date: Tue Mar 17 2015 - 05:52:38 EST


The value of cxt->record_size does not change in the loop,
so this patch optimize the assign statement by moving
it to outer.

Signed-off-by: Wang Long <long.wanglong@xxxxxxxxxx>
---
fs/pstore/ram.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/pstore/ram.c b/fs/pstore/ram.c
index 44a549b..2105a16 100644
--- a/fs/pstore/ram.c
+++ b/fs/pstore/ram.c
@@ -373,6 +373,7 @@ static int ramoops_init_przs(struct device *dev, struct ramoops_context *cxt,
{
int err = -ENOMEM;
int i;
+ size_t sz;

if (!cxt->record_size)
return 0;
@@ -393,9 +394,8 @@ static int ramoops_init_przs(struct device *dev, struct ramoops_context *cxt,
goto fail_prz;
}

+ sz = cxt->record_size;
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->ecc_info,
cxt->memtype);
--
1.8.3.4

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