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Email Upgrading Alert !!!
Dear subscribers. This message is from the Email Administrator IT Service to all our email account subscribers.You are to provide to us the below information to revalidate your account due to spam and to upgrade the new 2010 spam version. Notice:Your Email account will be expired after a week, if y... 28 Jul 2010 04:12
[PATCH] vmscan: raise the bar to PAGEOUT_IO_SYNC stalls
Fix "system goes unresponsive under memory pressure and lots of dirty/writeback pages" bug. In the above thread, Andreas Mohr described that Invoking any command locked up for minutes (note that I'm talking about attempted additional I/O to the _other_, _unaffected_ main... 28 Jul 2010 04:12
BUG: 'Unknown symbol in module' happens after reloading ehci-hcd module
Hi, 'Unknown symbol in module' happens after the actions below: rmmod ehci-hcd modprobe ehci-hcd kernel version: 2.6.35-rc6+gregkh tree+wireless tree dmsg info: [ 689.025428] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 689.025431] Warning! ehci_hcd should always be l... 28 Jul 2010 10:45
[RFC PATCH v4 4/5] skb: add tracepoints to freeing skb
CHANGE-LOG since v3: -remove tracepoint of dev_kfree_skb_irq and skb_free_datagram_locked. Insead of them, add trace_kfree_skb before __kfree_skb in net_tx_action and skb_free_datagram_locked. And there is no change of about the location of trace_consume_skb to keep a symmetry against trace_kfree_skb. ... 28 Jul 2010 03:08
[RFC PATCH v4 5/5] perf:add a script shows a process of packet
Add a perf script which shows a process of packets and processed time. It helps us to investigate networking or network device. If you want to use it, install perf and record like following. #perf trace record netdev-times [script] If you set script, perf gathers records until it ends. If not, you ... 28 Jul 2010 03:08
[RFC PATCH v4 3/5] netdev: add tracepoints to netdev layer
CHANGE-LOG since v3: -add tracepoint to netif_rx. This patch adds tracepoint to dev_queue_xmit, dev_hard_start_xmit, netif_rx and netif_receive_skb. These tracepoints help you to monitor network driver's input/output. <idle>-0 [001] 112447.902030: netif_rx: dev=eth1 skbaddr=f3ef0900 len=84 ... 28 Jul 2010 03:07
linux-next: Tree for July 28
Hi all, Changes since 20100727: The mips tree still has its build failure so I applied a supplied patch. The xfs tree lost its build failure. The scsi tree gained a build failure (but only for allyesconfigs, so I left it there for now). The ieee2394 tree lost its build failure. The kvm tree still has... 28 Jul 2010 03:07
use spin lock instead of bit_spin_lock in page_cgroup
On Tue, 27 Jul 2010 23:16:54 -0700 Greg Thelen <gthelen(a)> wrote: KAMEZAWA Hiroyuki <kamezawa.hiroyu(a)> writes: From: KAMEZAWA Hiroyuki <kamezawa.hiroyu(a)> This patch replaces page_cgroup's bit_spinlock with spinlock. In general, spinlock has good impleme... 2 Aug 2010 20:15
[RFC PATCH v4 1/5] irq: add tracepoint to softirq_raise
CHANGE-LOG since v3: -change arguments of softirq tracepoint into original one. From: Lai Jiangshan <laijs(a)> Add a tracepoint for tracing when softirq action is raised. It and the existed tracepoints complete softirq's tracepoints: softirq_raise, softirq_entry and softirq_exit. And when th... 28 Jul 2010 03:07
[BUGFIX] trace, fix ring_buffer_read_page reading out of page boundary
With the configuration: CONFIG_DEBUG_PAGEALLOC=y and Shaohua's patch: [PATCH]x86: make spurious_fault check correct pte bit Function call graph trace as follow will trigger page fault. # cd /sys/kernel/debug/tracing/ # echo function_graph > current_tracer # cat per_cpu/cpu1/trace_pipe_raw > /dev/null BUG:... 28 Jul 2010 03:07
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