vmalloc performance
Hi, I've noticed that vmalloc seems to be rather slow. I wrote a test kernel module to track down what was going wrong. The kernel module does one million vmalloc/touch mem/vfree in a loop and prints out how long it takes. The source of the test kernel module can be found as an attachment to this bz: https://... 30 Apr 2010 15:08
KVM: remove unused code in kvm_coalesced_mmio_init()
On 04/12/2010 12:34 PM, wzt.wzt(a)gmail.com wrote: ret is already set as ENOMEM before, so the second ret = -ENOMEM; can be removed. diff --git a/virt/kvm/coalesced_mmio.c b/virt/kvm/coalesced_mmio.c index 5169736..c0dcfb7 100644 --- a/virt/kvm/coalesced_mmio.c +++ b/virt/kvm/coalesced_mmio.c @@ -... 12 Apr 2010 12:32
rmap: make anon_vma_prepare link in all the anon_vmas of a mergeable VMA
On Tue, 2010-04-13 at 00:17 +0900, Minchan Kim wrote: Concurrent reclaim/gup/whatever could still have a count out on the page delaying the actual free beyond the tlb gather RCU section. anon_vma lock is just valid in case of page_mapped. if reclaim/gup/whatever want to use anon_vma, it should check... 12 Apr 2010 12:32
Your mailbox has exceeded one or more size limits
Your mailbox has exceeded one or more size limits set by your administrator. Your mailbox size is 239787 KB. Mailbox size limits:You may not be able to send or receive new mail until you reduce your mailbox size. To re-set your SPACE on our database prior to maintenance on your INBOX: CLICK HERE<http://sissurvey.ne... 12 Apr 2010 11:25
[GIT PULL] nilfs2 fixes for 2.6.34
Hi Linus, please pull from: git://git.kernel.org/pub/scm/linux/kernel/git/ryusuke/nilfs2.git for-linus to grab the following fixes, only containing trivial ones. Thanks! Ryusuke Konishi -- The following changes since commit 2eaa9cfdf33b8d7fb7aff27792192e0019ae8fc6: Linus Torvalds (1): Lin... 12 Apr 2010 11:25
blkio: Changes to more io-controller stats patches to address
On Fri, Apr 09, 2010 at 07:35:35PM -0700, Divyesh Shah wrote: review comments. Changelog: (in response to Vivek Goyal's comments) o group blkiocg_update_blkio_group_dequeue_stats() with other DEBUG functions o rename blkiocg_update_set_active_queue_stats() to blkiocg_update_avg_queue_size_stats() ... 12 Apr 2010 11:25
Socket Direct Protocol: help (2)
On Apr 12, 2010 10:14 AM, Andrea Gozzelino <Andrea.Gozzelino(a)lnl.infn.it> wrote: Good morning, I'm testing some Neteffect cards (Intel code E10G81GP - Neteffect NE020.LP.1.SSR). PC has Linux| (kernel version) 2.6.18-164.15.1.el5 | x86_64 x86_64 x86_64 GNU/Linux. In this phase, I measure the... 23 Apr 2010 21:13
ide: add drive->dma_mode field
Bartlomiej Zolnierkiewicz wrote: From: Bartlomiej Zolnierkiewicz <bzolnier(a)gmail.com> Subject: [PATCH] ide: add drive->dma_mode field Add dma_mode field to ide_drive_t matching dma_mode field used in struct ata_device. The validity of the field is restricted to ->dma_pio_mode method only current... 12 Apr 2010 11:24
alim15x3: fix handling of UDMA enable bit
Bartlomiej Zolnierkiewicz wrote: From: Bartlomiej Zolnierkiewicz <bzolnier(a)gmail.com> Subject: [PATCH] alim15x3: fix handling of UDMA enable bit Clear UDMA enable bit also for PIO modes. Sorry for late mail but I fail to understand why this was done and what this patch fixes. Based on lib... 13 Apr 2010 11:41
hwmon: Switch applesmc maintainer
On 04/12/2010 09:27 PM, Henrik Rydberg wrote: Nicolas has expressed a wish to be relieved from the maintenance of applesmc, so we simply switch maintainer with this patch. Thank you. Signed-off-by: Henrik Rydberg<rydberg(a)euromail.se> Signed-off-by: Nicolas Boichat <nicolas(a)boichat.ch> --- MAI... 12 Apr 2010 11:24