Displaying 20 results from an estimated 108 matches for "migrate_typ".
Did you mean:
migrate_types
2017 Aug 10
1
[virtio-dev] Re: [PATCH v13 4/5] mm: support reporting free page blocks
...min_order; order < MAX_ORDER; ++order) {
>>>
>>> This appears to be covered by for_each_migratetype_order(order, mt) below.
> yes but
> #define for_each_migratetype_order(order, type) \
> for (order = 0; order < MAX_ORDER; order++) \
> for (type = 0; type < MIGRATE_TYPES; type++)
>
> so you would have to skip orders < min_order
Yes, that's why we have a new macro
#define for_each_migratetype_order_decend(min_order, order, type) \
for (order = MAX_ORDER - 1; order < MAX_ORDER && order >= min_order; \
order--) \
for (type = 0;...
2017 Aug 10
1
[virtio-dev] Re: [PATCH v13 4/5] mm: support reporting free page blocks
...min_order; order < MAX_ORDER; ++order) {
>>>
>>> This appears to be covered by for_each_migratetype_order(order, mt) below.
> yes but
> #define for_each_migratetype_order(order, type) \
> for (order = 0; order < MAX_ORDER; order++) \
> for (type = 0; type < MIGRATE_TYPES; type++)
>
> so you would have to skip orders < min_order
Yes, that's why we have a new macro
#define for_each_migratetype_order_decend(min_order, order, type) \
for (order = MAX_ORDER - 1; order < MAX_ORDER && order >= min_order; \
order--) \
for (type = 0;...
2018 Jun 16
2
[PATCH v33 1/4] mm: add a function to get free page blocks
...gt; + struct zone *zone;
> + enum migratetype mt;
> + struct page *page;
> + struct list_head *list;
> + unsigned long addr, flags;
> + uint32_t index = 0;
> +
> + for_each_populated_zone(zone) {
> + spin_lock_irqsave(&zone->lock, flags);
> + for (mt = 0; mt < MIGRATE_TYPES; mt++) {
> + list = &zone->free_area[order].free_list[mt];
> + list_for_each_entry(page, list, lru) {
> + addr = page_to_pfn(page) << PAGE_SHIFT;
> + if (likely(index < size)) {
> + buf[index++] = cpu_to_le64(addr);
> + } else {
> + spin_u...
2017 Aug 08
2
[virtio-dev] Re: [PATCH v13 4/5] mm: support reporting free page blocks
On 08/08/2017 02:12 PM, Wei Wang wrote:
> On 08/03/2017 05:11 PM, Michal Hocko wrote:
>> On Thu 03-08-17 14:38:18, Wei Wang wrote:
>> This is just too ugly and wrong actually. Never provide struct page
>> pointers outside of the zone->lock. What I've had in mind was to simply
>> walk free lists of the suitable order and call the callback for each
>> one.
2017 Aug 08
2
[virtio-dev] Re: [PATCH v13 4/5] mm: support reporting free page blocks
On 08/08/2017 02:12 PM, Wei Wang wrote:
> On 08/03/2017 05:11 PM, Michal Hocko wrote:
>> On Thu 03-08-17 14:38:18, Wei Wang wrote:
>> This is just too ugly and wrong actually. Never provide struct page
>> pointers outside of the zone->lock. What I've had in mind was to simply
>> walk free lists of the suitable order and call the callback for each
>> one.
2017 Jun 12
1
[PATCH v11 6/6] virtio-balloon: VIRTIO_BALLOON_F_CMD_VQ
On 06/09/2017 03:41 AM, Wei Wang wrote:
> + for_each_populated_zone(zone) {
> + for (order = MAX_ORDER - 1; order > 0; order--) {
> + for (migratetype = 0; migratetype < MIGRATE_TYPES;
> + migratetype++) {
> + do {
> + ret = report_unused_page_block(zone,
> + order, migratetype, &page);
> + if (!ret) {
> + pfn = (u64)page_to_pfn(page);
> + add_one_chunk(vb, vq,
> + PAGE_CHNUK_UNUSED_PAGE,
> + pfn <<...
2017 Jun 12
1
[PATCH v11 6/6] virtio-balloon: VIRTIO_BALLOON_F_CMD_VQ
On 06/09/2017 03:41 AM, Wei Wang wrote:
> + for_each_populated_zone(zone) {
> + for (order = MAX_ORDER - 1; order > 0; order--) {
> + for (migratetype = 0; migratetype < MIGRATE_TYPES;
> + migratetype++) {
> + do {
> + ret = report_unused_page_block(zone,
> + order, migratetype, &page);
> + if (!ret) {
> + pfn = (u64)page_to_pfn(page);
> + add_one_chunk(vb, vq,
> + PAGE_CHNUK_UNUSED_PAGE,
> + pfn <<...
2017 Aug 03
0
[PATCH v13 4/5] mm: support reporting free page blocks
...attern
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index fc14b8b..59eacf2 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -83,6 +83,11 @@ static inline bool is_migrate_movable(int mt)
for (order = 0; order < MAX_ORDER; order++) \
for (type = 0; type < MIGRATE_TYPES; type++)
+#define for_each_migratetype_order_decend(min_order, order, type) \
+ for (order = MAX_ORDER - 1; order < MAX_ORDER && order >= min_order; \
+ order--) \
+ for (type = 0; type < MIGRATE_TYPES; type++)
+
extern int page_group_by_mobility_disabled;
#define NR_...
2017 Mar 16
4
[PATCH kernel v8 3/4] mm: add inerface to offer info about unused pages
...4 *chunk;
> +
> + if (zone_is_empty(zone))
> + return 0;
> +
> + spin_lock_irqsave(&zone->lock, flags);
> +
> + if (*offset + zone->free_area[order].nr_free > size && !part_fill) {
> + ret = -ENOSPC;
> + goto out;
> + }
> + for (t = 0; t < MIGRATE_TYPES; t++) {
> + list_for_each(curr, &zone->free_area[order].free_list[t]) {
> + pfn = page_to_pfn(list_entry(curr, struct page, lru));
> + chunk = buf + *offset;
> + if (*offset + 2 > size) {
> + ret = -ENOSPC;
> + goto out;
> + }
> + /* Align to the...
2017 Mar 16
4
[PATCH kernel v8 3/4] mm: add inerface to offer info about unused pages
...4 *chunk;
> +
> + if (zone_is_empty(zone))
> + return 0;
> +
> + spin_lock_irqsave(&zone->lock, flags);
> +
> + if (*offset + zone->free_area[order].nr_free > size && !part_fill) {
> + ret = -ENOSPC;
> + goto out;
> + }
> + for (t = 0; t < MIGRATE_TYPES; t++) {
> + list_for_each(curr, &zone->free_area[order].free_list[t]) {
> + pfn = page_to_pfn(list_entry(curr, struct page, lru));
> + chunk = buf + *offset;
> + if (*offset + 2 > size) {
> + ret = -ENOSPC;
> + goto out;
> + }
> + /* Align to the...
2017 Mar 29
2
[PATCH kernel v8 3/4] mm: add inerface to offer info about unused pages
...; +
> > > + spin_lock_irqsave(&zone->lock, flags);
> > > +
> > > + if (*offset + zone->free_area[order].nr_free > size && !part_fill) {
> > > + ret = -ENOSPC;
> > > + goto out;
> > > + }
> > > + for (t = 0; t < MIGRATE_TYPES; t++) {
> > > + list_for_each(curr, &zone->free_area[order].free_list[t]) {
> > > + pfn = page_to_pfn(list_entry(curr, struct page, lru));
> > > + chunk = buf + *offset;
> > > + if (*offset + 2 > size) {
> > > + ret = -ENOSPC;
>...
2017 Mar 29
2
[PATCH kernel v8 3/4] mm: add inerface to offer info about unused pages
...; +
> > > + spin_lock_irqsave(&zone->lock, flags);
> > > +
> > > + if (*offset + zone->free_area[order].nr_free > size && !part_fill) {
> > > + ret = -ENOSPC;
> > > + goto out;
> > > + }
> > > + for (t = 0; t < MIGRATE_TYPES; t++) {
> > > + list_for_each(curr, &zone->free_area[order].free_list[t]) {
> > > + pfn = page_to_pfn(list_entry(curr, struct page, lru));
> > > + chunk = buf + *offset;
> > > + if (*offset + 2 > size) {
> > > + ret = -ENOSPC;
>...
2017 Apr 13
2
[PATCH v9 5/5] virtio-balloon: VIRTIO_BALLOON_F_MISC_VQ
..._UNUSED_PAGES;
Gets endian-ness and whitespace wrong. Pls use static checkers to catch
this type of error.
> + miscq_out_hdr->flags = 0;
> +
> + for_each_populated_zone(zone) {
> + for (order = MAX_ORDER - 1; order > 0; order--) {
> + for (migratetype = 0; migratetype < MIGRATE_TYPES;
> + migratetype++) {
> + do {
> + ret = inquire_unused_page_block(zone,
> + order, migratetype, &page);
> + if (!ret) {
> + pfn = (u64)page_to_pfn(page);
> + add_one_chunk(vb, vq,
> + PAGE_CHUNK_TYPE_UNUSED,
> + pfn,
>...
2017 Apr 13
2
[PATCH v9 5/5] virtio-balloon: VIRTIO_BALLOON_F_MISC_VQ
..._UNUSED_PAGES;
Gets endian-ness and whitespace wrong. Pls use static checkers to catch
this type of error.
> + miscq_out_hdr->flags = 0;
> +
> + for_each_populated_zone(zone) {
> + for (order = MAX_ORDER - 1; order > 0; order--) {
> + for (migratetype = 0; migratetype < MIGRATE_TYPES;
> + migratetype++) {
> + do {
> + ret = inquire_unused_page_block(zone,
> + order, migratetype, &page);
> + if (!ret) {
> + pfn = (u64)page_to_pfn(page);
> + add_one_chunk(vb, vq,
> + PAGE_CHUNK_TYPE_UNUSED,
> + pfn,
>...
2016 Nov 30
2
[PATCH kernel v5 5/5] virtio-balloon: tell host vm's unused page info
...>lock, flags);
> +
> + if (*pos + zone->free_area[order].nr_free > size)
> + return -ENOSPC;
Urg, so this won't partially fill? So, what the nr_free pages limit
where we no longer fit in the kmalloc()'d buffer where this simply won't
work?
> + for (t = 0; t < MIGRATE_TYPES; t++) {
> + list_for_each(curr, &zone->free_area[order].free_list[t]) {
> + pfn = page_to_pfn(list_entry(curr, struct page, lru));
> + info = (struct page_info_item *)(unused_pages + *pos);
> + info->start_pfn = pfn;
> + info->page_shift = order + PAGE_SHIFT;...
2016 Nov 30
2
[PATCH kernel v5 5/5] virtio-balloon: tell host vm's unused page info
...>lock, flags);
> +
> + if (*pos + zone->free_area[order].nr_free > size)
> + return -ENOSPC;
Urg, so this won't partially fill? So, what the nr_free pages limit
where we no longer fit in the kmalloc()'d buffer where this simply won't
work?
> + for (t = 0; t < MIGRATE_TYPES; t++) {
> + list_for_each(curr, &zone->free_area[order].free_list[t]) {
> + pfn = page_to_pfn(list_entry(curr, struct page, lru));
> + info = (struct page_info_item *)(unused_pages + *pos);
> + info->start_pfn = pfn;
> + info->page_shift = order + PAGE_SHIFT;...
2018 Mar 26
4
[PATCH v29 1/4] mm: support reporting free page blocks
...> + unsigned long pfn,
> + unsigned long num))
> +{
> + struct zone *zone;
> + int order;
> + enum migratetype mt;
> + int ret;
> +
> + for_each_populated_zone(zone) {
> + for (order = MAX_ORDER - 1; order >= min_order; order--) {
> + for (mt = 0; mt < MIGRATE_TYPES; mt++) {
> + ret = walk_free_page_list(opaque, zone,
> + order, mt,
> + report_pfn_range);
> + if (ret)
> + return ret;
> + }
> + }
> + }
> +
> + return 0;
> +}
> +EXPORT_SYMBOL_GPL(walk_free_mem_block);
This looks like it could ta...
2018 Mar 26
4
[PATCH v29 1/4] mm: support reporting free page blocks
...> + unsigned long pfn,
> + unsigned long num))
> +{
> + struct zone *zone;
> + int order;
> + enum migratetype mt;
> + int ret;
> +
> + for_each_populated_zone(zone) {
> + for (order = MAX_ORDER - 1; order >= min_order; order--) {
> + for (mt = 0; mt < MIGRATE_TYPES; mt++) {
> + ret = walk_free_page_list(opaque, zone,
> + order, mt,
> + report_pfn_range);
> + if (ret)
> + return ret;
> + }
> + }
> + }
> +
> + return 0;
> +}
> +EXPORT_SYMBOL_GPL(walk_free_mem_block);
This looks like it could ta...
2017 Jul 14
4
[PATCH v12 6/8] mm: support reporting free page blocks
...unsigned int migratetype, struct page **page)
> +{
> + struct zone *this_zone;
> + struct list_head *this_list;
> + int ret = 0;
> + unsigned long flags;
> +
> + /* Sanity check */
> + if (zone == NULL || page == NULL || order >= MAX_ORDER ||
> + migratetype >= MIGRATE_TYPES)
> + return -EINVAL;
> +
> + /* Zone validity check */
> + for_each_populated_zone(this_zone) {
> + if (zone == this_zone)
> + break;
> + }
> +
> + /* Got a non-existent zone from the caller? */
> + if (zone != this_zone)
> + return -EINVAL;
Huh, what do you...
2017 Jul 14
4
[PATCH v12 6/8] mm: support reporting free page blocks
...unsigned int migratetype, struct page **page)
> +{
> + struct zone *this_zone;
> + struct list_head *this_list;
> + int ret = 0;
> + unsigned long flags;
> +
> + /* Sanity check */
> + if (zone == NULL || page == NULL || order >= MAX_ORDER ||
> + migratetype >= MIGRATE_TYPES)
> + return -EINVAL;
> +
> + /* Zone validity check */
> + for_each_populated_zone(this_zone) {
> + if (zone == this_zone)
> + break;
> + }
> +
> + /* Got a non-existent zone from the caller? */
> + if (zone != this_zone)
> + return -EINVAL;
Huh, what do you...