Michel, gentle ping to you.
With that patch applied piglit seems to be stable on my Tonga (with a
bit older Mesa).
Christian.
Am 12.10.2017 um 19:30 schrieb Christian König:
From: Christian König <christian.koenig@xxxxxxx>
We don't use compound pages at the moment. Take this into account when
freeing them.
Signed-off-by: Christian König <christian.koenig@xxxxxxxx>
---
drivers/gpu/drm/ttm/ttm_page_alloc.c | 21 ++++++++++++++++-----
1 file changed, 16 insertions(+), 5 deletions(-)
diff --git a/drivers/gpu/drm/ttm/ttm_page_alloc.c b/drivers/gpu/drm/ttm/ttm_page_alloc.c
index b6f16e7ffff3..c3be50f41461 100644
--- a/drivers/gpu/drm/ttm/ttm_page_alloc.c
+++ b/drivers/gpu/drm/ttm/ttm_page_alloc.c
@@ -731,22 +731,33 @@ static void ttm_put_pages(struct page **pages, unsigned npages, int flags,
/* No pool for this memory type so free the pages */
i = 0;
while (i < npages) {
- unsigned order;
+#ifdef CONFIG_TRANSPARENT_HUGEPAGE
+ struct page *p = pages[i];
+#endif
+ unsigned order = 0, j;
if (!pages[i]) {
++i;
continue;
}
+#ifdef CONFIG_TRANSPARENT_HUGEPAGE
+ for (j = 0; j < HPAGE_PMD_NR; ++j)
+ if (p++ != pages[i + j])
+ break;
+
+ if (j == HPAGE_PMD_NR)
+ order = HPAGE_PMD_ORDER;
+#endif
+
if (page_count(pages[i]) != 1)
pr_err("Erroneous page count. Leaking pages.\n");
- order = compound_order(pages[i]);
__free_pages(pages[i], order);
- order = 1 << order;
- while (order) {
+ j = 1 << order;
+ while (j) {
pages[i++] = NULL;
- --order;
+ --j;
}
}
return;
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