Since 628f423553 "memcg: limit change shrink usage" both
res_counter_write() and write_strategy_fn have been unused. This
patch deletes them both.
Signed-off-by: Greg Thelen <gthelen@xxxxxxxxxx>
---
include/linux/res_counter.h | 5 -----
kernel/res_counter.c | 22 ----------------------
2 files changed, 0 insertions(+), 27 deletions(-)
diff --git a/include/linux/res_counter.h b/include/linux/res_counter.h
index 4b173b6..5ae8456 100644
--- a/include/linux/res_counter.h
+++ b/include/linux/res_counter.h
@@ -74,14 +74,9 @@ ssize_t res_counter_read(struct res_counter *counter, int member,
const char __user *buf, size_t nbytes, loff_t *pos,
int (*read_strategy)(unsigned long long val, char *s));
-typedef int (*write_strategy_fn)(const char *buf, unsigned long long *val);
-
int res_counter_memparse_write_strategy(const char *buf,
unsigned long long *res);
-int res_counter_write(struct res_counter *counter, int member,
- const char *buffer, write_strategy_fn write_strategy);
-
/*
* the field descriptors. one for each member of res_counter
*/
diff --git a/kernel/res_counter.c b/kernel/res_counter.c
index 7b3d6dc..ff55247 100644
--- a/kernel/res_counter.c
+++ b/kernel/res_counter.c
@@ -198,25 +198,3 @@ int res_counter_memparse_write_strategy(const char *buf,
*res = PAGE_ALIGN(*res);
return 0;
}
-
-int res_counter_write(struct res_counter *counter, int member,
- const char *buf, write_strategy_fn write_strategy)
-{
- char *end;
- unsigned long flags;
- unsigned long long tmp, *val;
-
- if (write_strategy) {
- if (write_strategy(buf, &tmp))
- return -EINVAL;
- } else {
- tmp = simple_strtoull(buf, &end, 10);
- if (*end != '\0')
- return -EINVAL;
- }
- spin_lock_irqsave(&counter->lock, flags);
- val = res_counter_member(counter, member);
- *val = tmp;
- spin_unlock_irqrestore(&counter->lock, flags);
- return 0;
-}
--
1.7.7.3
--
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