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...all the latest packages in Debian unstable as of today. It is running a Linux 2.4.10 kernel. On the Linux Weekly News page I saw someone offering 2.4.10 sources pre-patched for both ext3 and kernel preemption, so I built from those sources. http://lwn.net/2001/0927/a/ext3-preempt.php3 http://lameter.com/kernel/linux-2.4.10-ext3-preempt.tar.gz I enabled both ext3 and kernel preemption. The server is running Linux software RAID, using RAID 1 (mirroring) on both ext3 filesystems. I have seen the same problem and assert several times now. Whenever I see this happen, I always reboot the s...

...64170..c4e7551a414e 100644 --- a/Documentation/vm/page_migration +++ b/Documentation/vm/page_migration @@ -142,5 +142,72 @@ is increased so that the page cannot be freed while page migration occurs. 20. The new page is moved to the LRU and can be scanned by the swapper etc again. -Christoph Lameter, May 8, 2006. +C. Non-LRU Page migration +------------------------- + +Although original migration aimed for reducing the latency of memory access +for NUMA, compaction who want to create high-order page is also main customer. + +Ppage migration's disadvantage is that it was designed to migra...

This is on 32 bit x86 on a Dell 1950 After mouting a cifs share we have 5 second hiccups. Typical log output when doing a simple "ls /mnt": Sep 4 16:21:43 rd-spare kernel: fs/cifs/transport.c: For smb_command 50 Sep 4 16:21:43 rd-spare kernel: fs/cifs/transport.c: Sending smb: total_len 118 Sep 4 16:21:43 rd-spare kernel: fs/cifs/inode.c: CIFS VFS: leaving cifs_revalidate (xid =

On Wed, Mar 14, 2018 at 8:55 AM Christopher Lameter <cl at linux.com> wrote: > On Wed, 14 Mar 2018, Peter Zijlstra wrote: > > On Tue, Mar 13, 2018 at 01:59:24PM -0700, Thomas Garnier wrote: > > > @@ -1576,7 +1578,9 @@ first_nmi: > > > addq $8, (%rsp) /* Fix up RSP */ > > > pushfq...

On 14/03/2018 16:54, Christopher Lameter wrote: >>> + pushq %rax /* Support Position Independent Code */ >>> + leaq 1f(%rip), %rax /* RIP */ >>> + xchgq %rax, (%rsp) /* Restore RAX, put 1f */ >>> iretq /* continues at repeat_nmi below */ >>> UNWIND_HINT_IRET_REGS >>> 1: >&...

...21580c26ebf95a3044ba: Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/scsi-post-merge-2.6 (2011-01-16 15:06:43 -0800) are available in the git repository at: ssh://master.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus.git master Christoph Lameter (1): lguest: Use this_cpu_ops Milton Miller (1): virtio: remove virtio-pci root device Philip Sanderson (3): lguest: --username and --chroot options lguest: example launcher to use guard pages, drop PROT_EXEC, fix limit logic lguest: document --rng in example Launc...

...21580c26ebf95a3044ba: Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/scsi-post-merge-2.6 (2011-01-16 15:06:43 -0800) are available in the git repository at: ssh://master.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus.git master Christoph Lameter (1): lguest: Use this_cpu_ops Milton Miller (1): virtio: remove virtio-pci root device Philip Sanderson (3): lguest: --username and --chroot options lguest: example launcher to use guard pages, drop PROT_EXEC, fix limit logic lguest: document --rng in example Launc...

I have an app I''ve been working on for a while. I just tried to activate SSL for it. I followed the instructions found at <http://wiki.rubyonrails.com/rails/pages/HowToEnableSSL>. Everything seemed to install/configure OK, no errors. But I now find that nothing is listening on port 443. "Connection refused" So what might be the problem? -- Posted via

...a/Documentation/vm/page_migration > +++ b/Documentation/vm/page_migration > @@ -142,5 +142,72 @@ is increased so that the page cannot be freed while page migration occurs. > 20. The new page is moved to the LRU and can be scanned by the swapper > etc again. > > -Christoph Lameter, May 8, 2006. > +C. Non-LRU Page migration > +------------------------- > + > +Although original migration aimed for reducing the latency of memory access > +for NUMA, compaction who want to create high-order page is also main customer. > + > +Ppage migration's disadvanta...

...a/Documentation/vm/page_migration > +++ b/Documentation/vm/page_migration > @@ -142,5 +142,72 @@ is increased so that the page cannot be freed while page migration occurs. > 20. The new page is moved to the LRU and can be scanned by the swapper > etc again. > > -Christoph Lameter, May 8, 2006. > +C. Non-LRU Page migration > +------------------------- > + > +Although original migration aimed for reducing the latency of memory access > +for NUMA, compaction who want to create high-order page is also main customer. > + > +Ppage migration's disadvanta...

On Fri, 16 Aug 2013, Nicholas A. Bellinger wrote: > + spinlock_t lock; Remove the spinlock. > + unsigned nr_free; > + unsigned freelist[]; > +}; > + > +static inline void move_tags(unsigned *dst, unsigned *dst_nr, > + unsigned *src, unsigned *src_nr, > + unsigned nr) > +{ > + *src_nr -= nr; > + memcpy(dst + *dst_nr, src + *src_nr,

On Fri, 16 Aug 2013, Nicholas A. Bellinger wrote: > + spinlock_t lock; Remove the spinlock. > + unsigned nr_free; > + unsigned freelist[]; > +}; > + > +static inline void move_tags(unsigned *dst, unsigned *dst_nr, > + unsigned *src, unsigned *src_nr, > + unsigned nr) > +{ > + *src_nr -= nr; > + memcpy(dst + *dst_nr, src + *src_nr,

...migration > >+++ b/Documentation/vm/page_migration > >@@ -142,5 +142,72 @@ is increased so that the page cannot be freed while page migration occurs. > > 20. The new page is moved to the LRU and can be scanned by the swapper > > etc again. > > > >-Christoph Lameter, May 8, 2006. > >+C. Non-LRU Page migration > >+------------------------- > >+ > >+Although original migration aimed for reducing the latency of memory access > >+for NUMA, compaction who want to create high-order page is also main customer. > >+ > >+Ppag...

...quot;^[[:space:]]*\#[[:space:]]*include[[:space:]]*\"(linux|asm)/(.*)\"" * \ | xargs sed -i -e 's/^[[:space:]]*#[[:space:]]*include[[:space:]]*"\(linux\|asm\)\/\(.*\)"/#include <\1\/\2>/g' Signed-off-by: Joe Perches <joe@perches.com> Acked-by: Christoph Lameter <clameter@sgi.com> Acked-by: Jeff Dike <jdike@addtoit.com> Please pull from: git pull git://repo.or.cz/linux-2.6/trivial-mods.git fix_includes diffstat below: .../firmware_class/firmware_sample_driver.c | 2 +- arch/um/drivers/daemon_kern.c | 8 +...

...quot;^[[:space:]]*\#[[:space:]]*include[[:space:]]*\"(linux|asm)/(.*)\"" * \ | xargs sed -i -e 's/^[[:space:]]*#[[:space:]]*include[[:space:]]*"\(linux\|asm\)\/\(.*\)"/#include <\1\/\2>/g' Signed-off-by: Joe Perches <joe@perches.com> Acked-by: Christoph Lameter <clameter@sgi.com> Acked-by: Jeff Dike <jdike@addtoit.com> Please pull from: git pull git://repo.or.cz/linux-2.6/trivial-mods.git fix_includes diffstat below: .../firmware_class/firmware_sample_driver.c | 2 +- arch/um/drivers/daemon_kern.c | 8 +...

...e'll still meet our guarantees and it's absolutely not a correctness issue, so I don't think it's worth the extra code. Signed-off-by: Kent Overstreet <koverstreet at google.com> Cc: Tejun Heo <tj at kernel.org> Cc: Oleg Nesterov <oleg at redhat.com> Cc: Christoph Lameter <cl at linux-foundation.org> Cc: Ingo Molnar <mingo at redhat.com> Cc: Andi Kleen <andi at firstfloor.org> Cc: Jens Axboe <axboe at kernel.dk> Cc: "Nicholas A. Bellinger" <nab at linux-iscsi.org> Signed-off-by: Nicholas Bellinger <nab at linux-iscsi.org&...

...4170..b89d1de026df 100644 --- a/Documentation/vm/page_migration +++ b/Documentation/vm/page_migration @@ -142,5 +142,110 @@ is increased so that the page cannot be freed while page migration occurs. 20. The new page is moved to the LRU and can be scanned by the swapper etc again. -Christoph Lameter, May 8, 2006. +C. Non-LRU page migration +------------------------- + +Although original migration aimed for reducing the latency of memory access +for NUMA, compaction who want to create high-order page is also main customer. + +Current problem of the implementation is that it is designed to mig...

...4170..80e98af46e95 100644 --- a/Documentation/vm/page_migration +++ b/Documentation/vm/page_migration @@ -142,5 +142,110 @@ is increased so that the page cannot be freed while page migration occurs. 20. The new page is moved to the LRU and can be scanned by the swapper etc again. -Christoph Lameter, May 8, 2006. +C. Non-LRU page migration +------------------------- + +Although original migration aimed for reducing the latency of memory access +for NUMA, compaction who want to create high-order page is also main customer. + +Current problem of the implementation is that it is designed to mig...

...4170..18d37c7ac50b 100644 --- a/Documentation/vm/page_migration +++ b/Documentation/vm/page_migration @@ -142,5 +142,110 @@ is increased so that the page cannot be freed while page migration occurs. 20. The new page is moved to the LRU and can be scanned by the swapper etc again. -Christoph Lameter, May 8, 2006. +C. Non-LRU page migration +------------------------- + +Although original migration aimed for reducing the latency of memory access +for NUMA, compaction who want to create high-order page is also main customer. + +Current problem of the implementation is that it is designed to mig...

...4170..80e98af46e95 100644 --- a/Documentation/vm/page_migration +++ b/Documentation/vm/page_migration @@ -142,5 +142,110 @@ is increased so that the page cannot be freed while page migration occurs. 20. The new page is moved to the LRU and can be scanned by the swapper etc again. -Christoph Lameter, May 8, 2006. +C. Non-LRU page migration +------------------------- + +Although original migration aimed for reducing the latency of memory access +for NUMA, compaction who want to create high-order page is also main customer. + +Current problem of the implementation is that it is designed to mig...