On Tuesday 25 March 2014 11:20 PM, Dave Hansen wrote:
> On 03/25/2014 10:36 AM, Kirill A. Shutemov wrote:
+/*
+ * Fault around order is a control knob to decide the fault around pages.
+ * Default value is set to 0UL (disabled), but the arch can override it as
+ * desired.
On Tuesday 25 March 2014 11:06 PM, Kirill A. Shutemov wrote:
> On Tue, Mar 25, 2014 at 12:20:15PM +0530, Madhavan Srinivasan wrote:
>> Kirill A. Shutemov with the commit 96bacfe542 introduced
>> vm_ops->map_pages() for mapping easy accessible pages around
>> fault address in hope to reduce number o
On 03/25/2014 10:36 AM, Kirill A. Shutemov wrote:
>> > +/*
>> > + * Fault around order is a control knob to decide the fault around pages.
>> > + * Default value is set to 0UL (disabled), but the arch can override it as
>> > + * desired.
>> > + */
>> > +#ifndef FAULT_AROUND_ORDER
>> > +#define FAUL
On Tue, Mar 25, 2014 at 12:20:15PM +0530, Madhavan Srinivasan wrote:
> Kirill A. Shutemov with the commit 96bacfe542 introduced
> vm_ops->map_pages() for mapping easy accessible pages around
> fault address in hope to reduce number of minor page faults.
> Based on his workload runs, suggested FAULT
Kirill A. Shutemov with the commit 96bacfe542 introduced
vm_ops->map_pages() for mapping easy accessible pages around
fault address in hope to reduce number of minor page faults.
Based on his workload runs, suggested FAULT_AROUND_ORDER
(knob to control the numbers of pages to map) is 4.
This patch
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