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-rw-r--r--net/rds/page.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/net/rds/page.c b/net/rds/page.c
index 1dfbfea12e9..d8acdebe3c7 100644
--- a/net/rds/page.c
+++ b/net/rds/page.c
@@ -40,7 +40,8 @@ struct rds_page_remainder {
unsigned long r_offset;
};
-DEFINE_PER_CPU_SHARED_ALIGNED(struct rds_page_remainder, rds_page_remainders);
+static DEFINE_PER_CPU_SHARED_ALIGNED(struct rds_page_remainder,
+ rds_page_remainders);
/*
* returns 0 on success or -errno on failure.
@@ -103,7 +104,7 @@ int rds_page_remainder_alloc(struct scatterlist *scat, unsigned long bytes,
/* jump straight to allocation if we're trying for a huge page */
if (bytes >= PAGE_SIZE) {
page = alloc_page(gfp);
- if (page == NULL) {
+ if (!page) {
ret = -ENOMEM;
} else {
sg_set_page(scat, page, PAGE_SIZE, 0);
@@ -149,7 +150,7 @@ int rds_page_remainder_alloc(struct scatterlist *scat, unsigned long bytes,
rem = &per_cpu(rds_page_remainders, get_cpu());
local_irq_save(flags);
- if (page == NULL) {
+ if (!page) {
ret = -ENOMEM;
break;
}
@@ -173,6 +174,7 @@ out:
ret ? 0 : scat->length);
return ret;
}
+EXPORT_SYMBOL_GPL(rds_page_remainder_alloc);
static int rds_page_remainder_cpu_notify(struct notifier_block *self,
unsigned long action, void *hcpu)