Displaying 3 results from an estimated 3 matches for "a29f78a663ca".
2020 Sep 25
1
[PATCH 1/2] ext4/xfs: add page refcount helper
...de)
return 0;
error = ___wait_var_event(&page->_refcount,
- atomic_read(&page->_refcount) == 1,
+ dax_layout_is_idle_page(page),
TASK_INTERRUPTIBLE, 0, 0,
ext4_wait_dax_page(ei));
} while (error == 0);
diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c
index a29f78a663ca..29ab96541bc1 100644
--- a/fs/xfs/xfs_file.c
+++ b/fs/xfs/xfs_file.c
@@ -750,7 +750,7 @@ xfs_break_dax_layouts(
*retry = true;
return ___wait_var_event(&page->_refcount,
- atomic_read(&page->_refcount) == 1, TASK_INTERRUPTIBLE,
+ dax_layout_is_idle_page(page), TASK_INTERRUPT...
2020 Sep 25
0
[PATCH 1/2] ext4/xfs: add page refcount helper
...= 1,
> + dax_layout_is_idle_page(page),
> TASK_INTERRUPTIBLE, 0, 0,
> ext4_wait_dax_page(ei));
> } while (error == 0);
> diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c
> index a29f78a663ca..29ab96541bc1 100644
> --- a/fs/xfs/xfs_file.c
> +++ b/fs/xfs/xfs_file.c
> @@ -750,7 +750,7 @@ xfs_break_dax_layouts(
>
> *retry = true;
> return ___wait_var_event(&page->_refcount,
> - atomic_read(&page->_refcount) == 1, TASK...
2020 Sep 25
6
[RFC PATCH v2 0/2] mm: remove extra ZONE_DEVICE struct page refcount
Matthew Wilcox, Ira Weiny, and others have complained that ZONE_DEVICE
struct page reference counting is ugly because they are "free" when the
reference count is one instead of zero. This leads to explicit checks
for ZONE_DEVICE pages in places like put_page(), GUP, THP splitting, and
page migration which have to adjust the expected reference count when
determining if the page is