This "changed" variable is kind of deprecated. We used to have a spinlock
[which was later deemed unecessary] around the first if clause in the
*_watermark_state() functions; the variable was needed in order to move the
operation in the second if clause out of the lock section.
Signed-off-by: Viktor Rosendahl <[EMAIL PROTECTED]>
---
security/lowmem.c | 14 ++------------
1 files changed, 2 insertions(+), 12 deletions(-)
diff --git a/security/lowmem.c b/security/lowmem.c
index 2dc0c4a..183c57f 100644
--- a/security/lowmem.c
+++ b/security/lowmem.c
@@ -136,28 +136,18 @@ KERNEL_ATTR_RO(high_watermark);
static void low_watermark_state(int new_state)
{
- int changed = 0;
-
if (low_watermark_reached != new_state) {
low_watermark_reached = new_state;
- changed = 1;
- }
-
- if (changed)
sysfs_notify(&kernel_subsys.kset.kobj, NULL, "low_watermark");
+ }
}
static void high_watermark_state(int new_state)
{
- int changed = 0;
-
if (high_watermark_reached != new_state) {
high_watermark_reached = new_state;
- changed = 1;
- }
-
- if (changed)
sysfs_notify(&kernel_subsys.kset.kobj, NULL, "high_watermark");
+ }
}
static int low_vm_enough_memory(long pages)
--
1.5.6.3
--
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