The patch titled
CGroup API files: add res_counter_read_u64()
has been removed from the -mm tree. Its filename was
cgroup-api-files-add-res_counter_read_u64.patch
This patch was dropped because it was merged into mainline or a subsystem tree
The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: CGroup API files: add res_counter_read_u64()
From: Paul Menage <menage@xxxxxxxxxx>
Adds a function for returning the value of a resource counter member, in a
form suitable for use in a cgroup read_u64 control file method.
Signed-off-by: Paul Menage <menage@xxxxxxxxxx>
Cc: "Li Zefan" <lizf@xxxxxxxxxxxxxx>
Cc: Balbir Singh <balbir@xxxxxxxxxx>
Cc: Paul Jackson <pj@xxxxxxx>
Cc: Pavel Emelyanov <xemul@xxxxxxxxxx>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx>
Cc: "YAMAMOTO Takashi" <yamamoto@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/res_counter.h | 5 ++++-
kernel/res_counter.c | 5 +++++
2 files changed, 9 insertions(+), 1 deletion(-)
diff -puN include/linux/res_counter.h~cgroup-api-files-add-res_counter_read_u64 include/linux/res_counter.h
--- a/include/linux/res_counter.h~cgroup-api-files-add-res_counter_read_u64
+++ a/include/linux/res_counter.h
@@ -39,8 +39,9 @@ struct res_counter {
spinlock_t lock;
};
-/*
+/**
* Helpers to interact with userspace
+ * res_counter_read_u64() - returns the value of the specified member.
* res_counter_read/_write - put/get the specified fields from the
* res_counter struct to/from the user
*
@@ -51,6 +52,8 @@ struct res_counter {
* @pos: and the offset.
*/
+u64 res_counter_read_u64(struct res_counter *counter, int member);
+
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));
diff -puN kernel/res_counter.c~cgroup-api-files-add-res_counter_read_u64 kernel/res_counter.c
--- a/kernel/res_counter.c~cgroup-api-files-add-res_counter_read_u64
+++ a/kernel/res_counter.c
@@ -93,6 +93,11 @@ ssize_t res_counter_read(struct res_coun
pos, buf, s - buf);
}
+u64 res_counter_read_u64(struct res_counter *counter, int member)
+{
+ return *res_counter_member(counter, member);
+}
+
ssize_t res_counter_write(struct res_counter *counter, int member,
const char __user *userbuf, size_t nbytes, loff_t *pos,
int (*write_strategy)(char *st_buf, unsigned long long *val))
_
Patches currently in -mm which might be from menage@xxxxxxxxxx are
origin.patch
disable-the-memory-controller-by-default-v3.patch
add-a-refcount-check-in-dput.patch
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