On 7/12/19 12:22 PM, Alexander Duyck wrote:
> On Thu, Jul 11, 2019 at 6:13 PM Nitesh Narayan Lal wrote:
>>
>> On 7/11/19 7:20 PM, Alexander Duyck wrote:
>>> On Thu, Jul 11, 2019 at 10:58 AM Nitesh Narayan Lal
>>> wrote:
On 7/10/19 5:56 PM, Alexander Duyck wrote:
> On Wed, Jul 10, 2019
On 15.07.19 11:33, David Hildenbrand wrote:
> On 11.07.19 20:21, Dave Hansen wrote:
>> On 7/10/19 12:51 PM, Nitesh Narayan Lal wrote:
>>> +static void bm_set_pfn(struct page *page)
>>> +{
>>> + struct zone *zone = page_zone(page);
>>> + int zone_idx = page_zonenum(page);
>>> + unsigned long b
On 11.07.19 20:21, Dave Hansen wrote:
> On 7/10/19 12:51 PM, Nitesh Narayan Lal wrote:
>> +static void bm_set_pfn(struct page *page)
>> +{
>> +struct zone *zone = page_zone(page);
>> +int zone_idx = page_zonenum(page);
>> +unsigned long bitnr = 0;
>> +
>> +lockdep_assert_held(&zone-
On 10.07.19 22:45, Dave Hansen wrote:
> On 7/10/19 12:51 PM, Nitesh Narayan Lal wrote:
>> +struct zone_free_area {
>> +unsigned long *bitmap;
>> +unsigned long base_pfn;
>> +unsigned long end_pfn;
>> +atomic_t free_pages;
>> +unsigned long nbits;
>> +} free_area[MAX_NR_ZONES];
>
On 7/12/19 12:22 PM, Alexander Duyck wrote:
> On Thu, Jul 11, 2019 at 6:13 PM Nitesh Narayan Lal wrote:
>>
>> On 7/11/19 7:20 PM, Alexander Duyck wrote:
>>> On Thu, Jul 11, 2019 at 10:58 AM Nitesh Narayan Lal
>>> wrote:
On 7/10/19 5:56 PM, Alexander Duyck wrote:
> On Wed, Jul 10, 2019
On Thu, Jul 11, 2019 at 6:13 PM Nitesh Narayan Lal wrote:
>
>
> On 7/11/19 7:20 PM, Alexander Duyck wrote:
> > On Thu, Jul 11, 2019 at 10:58 AM Nitesh Narayan Lal
> > wrote:
> >>
> >> On 7/10/19 5:56 PM, Alexander Duyck wrote:
> >>> On Wed, Jul 10, 2019 at 12:52 PM Nitesh Narayan Lal
> >>> wro
On 7/11/19 7:20 PM, Alexander Duyck wrote:
> On Thu, Jul 11, 2019 at 10:58 AM Nitesh Narayan Lal wrote:
>>
>> On 7/10/19 5:56 PM, Alexander Duyck wrote:
>>> On Wed, Jul 10, 2019 at 12:52 PM Nitesh Narayan Lal
>>> wrote:
This patch introduces the core infrastructure for free page hinting i
On Thu, Jul 11, 2019 at 10:58 AM Nitesh Narayan Lal wrote:
>
>
> On 7/10/19 5:56 PM, Alexander Duyck wrote:
> > On Wed, Jul 10, 2019 at 12:52 PM Nitesh Narayan Lal
> > wrote:
> >> This patch introduces the core infrastructure for free page hinting in
> >> virtual environments. It enables the ker
On 7/10/19 12:51 PM, Nitesh Narayan Lal wrote:
> +static void bm_set_pfn(struct page *page)
> +{
> + struct zone *zone = page_zone(page);
> + int zone_idx = page_zonenum(page);
> + unsigned long bitnr = 0;
> +
> + lockdep_assert_held(&zone->lock);
> + bitnr = pfn_to_bit(page, zo
On 7/10/19 5:56 PM, Alexander Duyck wrote:
> On Wed, Jul 10, 2019 at 12:52 PM Nitesh Narayan Lal wrote:
>> This patch introduces the core infrastructure for free page hinting in
>> virtual environments. It enables the kernel to track the free pages which
>> can be reported to its hypervisor so t
On 7/11/19 12:45 PM, Dave Hansen wrote:
> On 7/11/19 9:36 AM, Nitesh Narayan Lal wrote:
>> +struct zone_free_area {
>> +unsigned long *bitmap;
>> +unsigned long base_pfn;
>> +unsigned long end_pfn;
>> +atomic_t free_pages;
>> +unsign
On 7/11/19 9:36 AM, Nitesh Narayan Lal wrote:
> +struct zone_free_area {
> + unsigned long *bitmap;
> + unsigned long base_pfn;
> + unsigned long end_pfn;
> + atomic_t free_pages;
> + unsigned long nbits;
> +} free_area[MAX_NR_ZONES];
Why do we need an extra data st
On 7/11/19 12:22 PM, Dave Hansen wrote:
> On 7/11/19 8:25 AM, Nitesh Narayan Lal wrote:
>> On 7/10/19 4:45 PM, Dave Hansen wrote:
>>> On 7/10/19 12:51 PM, Nitesh Narayan Lal wrote:
+struct zone_free_area {
+ unsigned long *bitmap;
+ unsigned long base_pfn;
+ unsigned long e
On 7/11/19 8:25 AM, Nitesh Narayan Lal wrote:
> On 7/10/19 4:45 PM, Dave Hansen wrote:
>> On 7/10/19 12:51 PM, Nitesh Narayan Lal wrote:
>>> +struct zone_free_area {
>>> + unsigned long *bitmap;
>>> + unsigned long base_pfn;
>>> + unsigned long end_pfn;
>>> + atomic_t free_pages;
>>> + un
On 7/11/19 11:25 AM, Nitesh Narayan Lal wrote:
> On 7/10/19 4:45 PM, Dave Hansen wrote:
>> On 7/10/19 12:51 PM, Nitesh Narayan Lal wrote:
>>> +struct zone_free_area {
>>> + unsigned long *bitmap;
>>> + unsigned long base_pfn;
>>> + unsigned long end_pfn;
>>> + atomic_t free_pages;
>>> +
On 7/10/19 4:45 PM, Dave Hansen wrote:
> On 7/10/19 12:51 PM, Nitesh Narayan Lal wrote:
>> +struct zone_free_area {
>> +unsigned long *bitmap;
>> +unsigned long base_pfn;
>> +unsigned long end_pfn;
>> +atomic_t free_pages;
>> +unsigned long nbits;
>> +} free_area[MAX_NR_ZONES]
On 7/10/19 4:45 PM, Dave Hansen wrote:
> On 7/10/19 12:51 PM, Nitesh Narayan Lal wrote:
>> +struct zone_free_area {
>> +unsigned long *bitmap;
>> +unsigned long base_pfn;
>> +unsigned long end_pfn;
>> +atomic_t free_pages;
>> +unsigned long nbits;
>> +} free_area[MAX_NR_ZONES]
On Wed, Jul 10, 2019 at 12:52 PM Nitesh Narayan Lal wrote:
>
> This patch introduces the core infrastructure for free page hinting in
> virtual environments. It enables the kernel to track the free pages which
> can be reported to its hypervisor so that the hypervisor could
> free and reuse that m
On 7/10/19 12:51 PM, Nitesh Narayan Lal wrote:
> +struct zone_free_area {
> + unsigned long *bitmap;
> + unsigned long base_pfn;
> + unsigned long end_pfn;
> + atomic_t free_pages;
> + unsigned long nbits;
> +} free_area[MAX_NR_ZONES];
Why do we need an extra data structure. W
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