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These stats will be useful later for system information and later when mem cgroups are integrated. Cc: Christian Koenig Cc: Matthew Brost Cc: Johannes Weiner Cc: linux-mm@kvack.org Cc: Andrew Morton Signed-off-by: Dave Airlie --- v2: add reclaim parameters and adjust the right counters. v3: drop the nid helper and get it from page. --- drivers/gpu/drm/ttm/ttm_pool.c | 25 +++++++++++++++++++------ 1 file changed, 19 insertions(+), 6 deletions(-) diff --git a/drivers/gpu/drm/ttm/ttm_pool.c b/drivers/gpu/drm/ttm/ttm_pool.= c index baf27c70a419..ee2344089d47 100644 --- a/drivers/gpu/drm/ttm/ttm_pool.c +++ b/drivers/gpu/drm/ttm/ttm_pool.c @@ -150,8 +150,10 @@ static struct page *ttm_pool_alloc_page(struct ttm_poo= l *pool, gfp_t gfp_flags, =20 =09if (!pool->use_dma_alloc) { =09=09p =3D alloc_pages_node(pool->nid, gfp_flags, order); -=09=09if (p) +=09=09if (p) { =09=09=09p->private =3D order; +=09=09=09mod_node_page_state(NODE_DATA(page_to_nid(p)), NR_GPU_ACTIVE, (1 = << order)); +=09=09} =09=09return p; =09} =20 @@ -186,7 +188,7 @@ static struct page *ttm_pool_alloc_page(struct ttm_pool= *pool, gfp_t gfp_flags, =20 /* Reset the caching and pages of size 1 << order */ static void ttm_pool_free_page(struct ttm_pool *pool, enum ttm_caching cac= hing, -=09=09=09 unsigned int order, struct page *p) +=09=09=09 unsigned int order, struct page *p, bool reclaim) { =09unsigned long attr =3D DMA_ATTR_FORCE_CONTIGUOUS; =09struct ttm_pool_dma *dma; @@ -201,6 +203,9 @@ static void ttm_pool_free_page(struct ttm_pool *pool, e= num ttm_caching caching, #endif =20 =09if (!pool || !pool->use_dma_alloc) { +=09=09mod_node_page_state(NODE_DATA(page_to_nid(p)), +=09=09=09=09 reclaim ? NR_GPU_RECLAIM : NR_GPU_ACTIVE, +=09=09=09=09 -(1 << order)); =09=09__free_pages(p, order); =09=09return; =09} @@ -276,6 +281,7 @@ static void ttm_pool_unmap(struct ttm_pool *pool, dma_a= ddr_t dma_addr, static void ttm_pool_type_give(struct ttm_pool_type *pt, struct page *p) { =09unsigned int i, num_pages =3D 1 << pt->order; +=09int nid =3D page_to_nid(p); =20 =09for (i =3D 0; i < num_pages; ++i) { =09=09if (PageHighMem(p)) @@ -288,17 +294,24 @@ static void ttm_pool_type_give(struct ttm_pool_type *= pt, struct page *p) =09list_add(&p->lru, &pt->pages); =09spin_unlock(&pt->lock); =09atomic_long_add(1 << pt->order, &allocated_pages); + +=09mod_node_page_state(NODE_DATA(nid), NR_GPU_ACTIVE, -num_pages); +=09mod_node_page_state(NODE_DATA(nid), NR_GPU_RECLAIM, num_pages); } =20 /* Take pages from a specific pool_type, return NULL when nothing availabl= e */ static struct page *ttm_pool_type_take(struct ttm_pool_type *pt) { =09struct page *p; +=09int nid; =20 =09spin_lock(&pt->lock); =09p =3D list_first_entry_or_null(&pt->pages, typeof(*p), lru); =09if (p) { +=09=09nid =3D page_to_nid(p); =09=09atomic_long_sub(1 << pt->order, &allocated_pages); +=09=09mod_node_page_state(NODE_DATA(nid), NR_GPU_ACTIVE, (1 << pt->order))= ; +=09=09mod_node_page_state(NODE_DATA(nid), NR_GPU_RECLAIM, -(1 << pt->order= )); =09=09list_del(&p->lru); =09} =09spin_unlock(&pt->lock); @@ -331,7 +344,7 @@ static void ttm_pool_type_fini(struct ttm_pool_type *pt= ) =09spin_unlock(&shrinker_lock); =20 =09while ((p =3D ttm_pool_type_take(pt))) -=09=09ttm_pool_free_page(pt->pool, pt->caching, pt->order, p); +=09=09ttm_pool_free_page(pt->pool, pt->caching, pt->order, p, true); } =20 /* Return the pool_type to use for the given caching and order */ @@ -383,7 +396,7 @@ static unsigned int ttm_pool_shrink(void) =20 =09p =3D ttm_pool_type_take(pt); =09if (p) { -=09=09ttm_pool_free_page(pt->pool, pt->caching, pt->order, p); +=09=09ttm_pool_free_page(pt->pool, pt->caching, pt->order, p, true); =09=09num_pages =3D 1 << pt->order; =09} else { =09=09num_pages =3D 0; @@ -475,7 +488,7 @@ static pgoff_t ttm_pool_unmap_and_free(struct ttm_pool = *pool, struct page *page, =09if (pt) =09=09ttm_pool_type_give(pt, page); =09else -=09=09ttm_pool_free_page(pool, caching, order, page); +=09=09ttm_pool_free_page(pool, caching, order, page, false); =20 =09return nr; } @@ -780,7 +793,7 @@ static int __ttm_pool_alloc(struct ttm_pool *pool, stru= ct ttm_tt *tt, =09return 0; =20 error_free_page: -=09ttm_pool_free_page(pool, page_caching, order, p); +=09ttm_pool_free_page(pool, page_caching, order, p, false); =20 error_free_all: =09if (tt->restore) --=20 2.49.0