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authorRafael J. Wysocki <rjw@sisk.pl>2011-12-22 00:59:45 +0400
committerRafael J. Wysocki <rjw@sisk.pl>2011-12-22 00:59:45 +0400
commitb00f4dc5ff022cb9cbaffd376d9454d7fa1e496f (patch)
tree40f1b232e2f1e8ac365317a14fdcbcb331722b46 /include/net/red.h
parent1eac8111e0763853266a171ce11214da3a347a0a (diff)
parentb9e26dfdad5a4f9cbdaacafac6998614cc9c41bc (diff)
downloadlinux-b00f4dc5ff022cb9cbaffd376d9454d7fa1e496f.tar.xz
Merge branch 'master' into pm-sleep
* master: (848 commits) SELinux: Fix RCU deref check warning in sel_netport_insert() binary_sysctl(): fix memory leak mm/vmalloc.c: remove static declaration of va from __get_vm_area_node ipmi_watchdog: restore settings when BMC reset oom: fix integer overflow of points in oom_badness memcg: keep root group unchanged if creation fails nilfs2: potential integer overflow in nilfs_ioctl_clean_segments() nilfs2: unbreak compat ioctl cpusets: stall when updating mems_allowed for mempolicy or disjoint nodemask evm: prevent racing during tfm allocation evm: key must be set once during initialization mmc: vub300: fix type of firmware_rom_wait_states module parameter Revert "mmc: enable runtime PM by default" mmc: sdhci: remove "state" argument from sdhci_suspend_host x86, dumpstack: Fix code bytes breakage due to missing KERN_CONT IB/qib: Correct sense on freectxts increment and decrement RDMA/cma: Verify private data length cgroups: fix a css_set not found bug in cgroup_attach_proc oprofile: Fix uninitialized memory access when writing to writing to oprofilefs Revert "xen/pv-on-hvm kexec: add xs_reset_watches to shutdown watches from old kernel" ... Conflicts: kernel/cgroup_freezer.c
Diffstat (limited to 'include/net/red.h')
-rw-r--r--include/net/red.h15
1 files changed, 6 insertions, 9 deletions
diff --git a/include/net/red.h b/include/net/red.h
index 3319f16b3beb..b72a3b833936 100644
--- a/include/net/red.h
+++ b/include/net/red.h
@@ -116,7 +116,7 @@ struct red_parms {
u32 qR; /* Cached random number */
unsigned long qavg; /* Average queue length: A scaled */
- psched_time_t qidlestart; /* Start of current idle period */
+ ktime_t qidlestart; /* Start of current idle period */
};
static inline u32 red_rmask(u8 Plog)
@@ -148,17 +148,17 @@ static inline void red_set_parms(struct red_parms *p,
static inline int red_is_idling(struct red_parms *p)
{
- return p->qidlestart != PSCHED_PASTPERFECT;
+ return p->qidlestart.tv64 != 0;
}
static inline void red_start_of_idle_period(struct red_parms *p)
{
- p->qidlestart = psched_get_time();
+ p->qidlestart = ktime_get();
}
static inline void red_end_of_idle_period(struct red_parms *p)
{
- p->qidlestart = PSCHED_PASTPERFECT;
+ p->qidlestart.tv64 = 0;
}
static inline void red_restart(struct red_parms *p)
@@ -170,13 +170,10 @@ static inline void red_restart(struct red_parms *p)
static inline unsigned long red_calc_qavg_from_idle_time(struct red_parms *p)
{
- psched_time_t now;
- long us_idle;
+ s64 delta = ktime_us_delta(ktime_get(), p->qidlestart);
+ long us_idle = min_t(s64, delta, p->Scell_max);
int shift;
- now = psched_get_time();
- us_idle = psched_tdiff_bounded(now, p->qidlestart, p->Scell_max);
-
/*
* The problem: ideally, average length queue recalcultion should
* be done over constant clock intervals. This is too expensive, so