From: Joerg Roedel
When we boot a kdump kernel in high memory, there is by
default only 72MB of low memory available. The swiotlb code
takes 64MB of it (by default) so that there are only 8MB
left to allocate from. On systems with many devices this
causes page allocator warnings from
From: Joerg Roedel jroe...@suse.de
When we boot a kdump kernel in high memory, there is by
default only 72MB of low memory available. The swiotlb code
takes 64MB of it (by default) so that there are only 8MB
left to allocate from. On systems with many devices this
causes page allocator warnings
From: Joerg Roedel
When we boot a kdump kernel in high memory, there is by
default only 72MB of low memory available. The swiotlb code
takes 64MB of it (by default) so that there are only 8MB
left to allocate from. On systems with many devices this
causes page allocator warnings from
From: Joerg Roedel jroe...@suse.de
When we boot a kdump kernel in high memory, there is by
default only 72MB of low memory available. The swiotlb code
takes 64MB of it (by default) so that there are only 8MB
left to allocate from. On systems with many devices this
causes page allocator warnings
On Mon, Jan 26, 2015 at 11:22:36AM +0800, Baoquan He wrote:
> > Ok, so this practically does all allocations __GFP_NOWARN now. Shouldn't
> > you be doing this before swiotlb_alloc_coherent() and not before
> > dma_generic_alloc_coherent()?
>
> I think this patch mainly suppress warning from buddy
On Mon, Jan 26, 2015 at 11:22:36AM +0800, Baoquan He wrote:
Ok, so this practically does all allocations __GFP_NOWARN now. Shouldn't
you be doing this before swiotlb_alloc_coherent() and not before
dma_generic_alloc_coherent()?
I think this patch mainly suppress warning from buddy
On 01/23/15 at 06:03pm, Borislav Petkov wrote:
> On Tue, Jan 06, 2015 at 03:51:13PM +0100, Joerg Roedel wrote:
> > From: Joerg Roedel
> > diff --git a/arch/x86/kernel/pci-swiotlb.c b/arch/x86/kernel/pci-swiotlb.c
> > index 77dd0ad..79b2291 100644
> > --- a/arch/x86/kernel/pci-swiotlb.c
> > +++
On 01/23/15 at 06:03pm, Borislav Petkov wrote:
On Tue, Jan 06, 2015 at 03:51:13PM +0100, Joerg Roedel wrote:
From: Joerg Roedel jroe...@suse.de
diff --git a/arch/x86/kernel/pci-swiotlb.c b/arch/x86/kernel/pci-swiotlb.c
index 77dd0ad..79b2291 100644
--- a/arch/x86/kernel/pci-swiotlb.c
On Tue, Jan 06, 2015 at 03:51:13PM +0100, Joerg Roedel wrote:
> From: Joerg Roedel
>
> When we boot a kdump kernel in high memory, there is by
> default only 72MB of low memory available. The swiotlb code
> takes 64MB of it (by default) so that there are only 8MB
> left to allocate from. On
On Tue, Jan 06, 2015 at 03:51:13PM +0100, Joerg Roedel wrote:
From: Joerg Roedel jroe...@suse.de
When we boot a kdump kernel in high memory, there is by
default only 72MB of low memory available. The swiotlb code
takes 64MB of it (by default) so that there are only 8MB
left to allocate
From: Joerg Roedel
When we boot a kdump kernel in high memory, there is by
default only 72MB of low memory available. The swiotlb code
takes 64MB of it (by default) so that there are only 8MB
left to allocate from. On systems with many devices this
causes page allocator warnings from
From: Joerg Roedel jroe...@suse.de
When we boot a kdump kernel in high memory, there is by
default only 72MB of low memory available. The swiotlb code
takes 64MB of it (by default) so that there are only 8MB
left to allocate from. On systems with many devices this
causes page allocator warnings
On Tue, Dec 02, 2014 at 01:46:48PM -0500, Konrad Rzeszutek Wilk wrote:
> On Tue, Dec 02, 2014 at 03:45:51PM +0100, Joerg Roedel wrote:
> > On Mon, Dec 01, 2014 at 03:28:54PM -0500, Konrad Rzeszutek Wilk wrote:
> > > On Fri, Nov 28, 2014 at 12:29:08PM +0100, Joerg Roedel wrote:
> > > > diff --git
On Tue, Dec 02, 2014 at 01:46:48PM -0500, Konrad Rzeszutek Wilk wrote:
On Tue, Dec 02, 2014 at 03:45:51PM +0100, Joerg Roedel wrote:
On Mon, Dec 01, 2014 at 03:28:54PM -0500, Konrad Rzeszutek Wilk wrote:
On Fri, Nov 28, 2014 at 12:29:08PM +0100, Joerg Roedel wrote:
diff --git
On Tue, Dec 02, 2014 at 03:45:51PM +0100, Joerg Roedel wrote:
> On Mon, Dec 01, 2014 at 03:28:54PM -0500, Konrad Rzeszutek Wilk wrote:
> > On Fri, Nov 28, 2014 at 12:29:08PM +0100, Joerg Roedel wrote:
> > > diff --git a/arch/x86/kernel/pci-swiotlb.c b/arch/x86/kernel/pci-swiotlb.c
> > > index
On Mon, Dec 01, 2014 at 03:28:54PM -0500, Konrad Rzeszutek Wilk wrote:
> On Fri, Nov 28, 2014 at 12:29:08PM +0100, Joerg Roedel wrote:
> > diff --git a/arch/x86/kernel/pci-swiotlb.c b/arch/x86/kernel/pci-swiotlb.c
> > index 77dd0ad..79b2291 100644
> > --- a/arch/x86/kernel/pci-swiotlb.c
> > +++
On Mon, Dec 01, 2014 at 03:28:54PM -0500, Konrad Rzeszutek Wilk wrote:
On Fri, Nov 28, 2014 at 12:29:08PM +0100, Joerg Roedel wrote:
diff --git a/arch/x86/kernel/pci-swiotlb.c b/arch/x86/kernel/pci-swiotlb.c
index 77dd0ad..79b2291 100644
--- a/arch/x86/kernel/pci-swiotlb.c
+++
On Tue, Dec 02, 2014 at 03:45:51PM +0100, Joerg Roedel wrote:
On Mon, Dec 01, 2014 at 03:28:54PM -0500, Konrad Rzeszutek Wilk wrote:
On Fri, Nov 28, 2014 at 12:29:08PM +0100, Joerg Roedel wrote:
diff --git a/arch/x86/kernel/pci-swiotlb.c b/arch/x86/kernel/pci-swiotlb.c
index
On Fri, Nov 28, 2014 at 12:29:08PM +0100, Joerg Roedel wrote:
> From: Joerg Roedel
>
> When we boot a kdump kernel in high memory, there is by
> default only 72MB of low memory available. The swiotlb code
> takes 64MB of it (by default) so that there are only 8MB
> left to allocate from. On
On Fri, Nov 28, 2014 at 12:29:08PM +0100, Joerg Roedel wrote:
From: Joerg Roedel jroe...@suse.de
When we boot a kdump kernel in high memory, there is by
default only 72MB of low memory available. The swiotlb code
takes 64MB of it (by default) so that there are only 8MB
left to allocate
From: Joerg Roedel
When we boot a kdump kernel in high memory, there is by
default only 72MB of low memory available. The swiotlb code
takes 64MB of it (by default) so that there are only 8MB
left to allocate from. On systems with many devices this
causes page allocator warnings from
From: Joerg Roedel jroe...@suse.de
When we boot a kdump kernel in high memory, there is by
default only 72MB of low memory available. The swiotlb code
takes 64MB of it (by default) so that there are only 8MB
left to allocate from. On systems with many devices this
causes page allocator warnings
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