diff options
| author | SeongJae Park <sj@kernel.org> | 2025-10-03 13:38:51 -0700 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2025-11-16 17:27:57 -0800 |
| commit | 0fdaa13ee93a068251d32ea7f60fd439b445adbe (patch) | |
| tree | 8b0d28df26a3806c243e11ed505c745c15153e04 | |
| parent | 1f52f3de4bf8adc15732d2eb7d4e2be222245d5e (diff) | |
Docs/admin-guide/mm/zswap: s/red-black tree/xarray/
The change from commit 796c2c23e14e ("zswap: replace RB tree with xarray")
is not reflected on the document. Update the document.
Link: https://lkml.kernel.org/r/20251003203851.43128-5-sj@kernel.org
Signed-off-by: SeongJae Park <sj@kernel.org>
Acked-by: Yosry Ahmed <yosry.ahmed@linux.dev>
Acked-by: Nhat Pham <nphamcs@gmail.com>
Reviewed-by: Chengming Zhou <chengming.zhou@linux.dev>
Cc: Chris Li <chrisl@kernel.org>
Cc: David Hildenbrand <david@redhat.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Liam Howlett <liam.howlett@oracle.com>
Cc: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Mike Rapoport <rppt@kernel.org>
Cc: Muchun Song <muchun.song@linux.dev>
Cc: Roman Gushchin <roman.gushchin@linux.dev>
Cc: Shakeel Butt <shakeel.butt@linux.dev>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
| -rw-r--r-- | Documentation/admin-guide/mm/zswap.rst | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/Documentation/admin-guide/mm/zswap.rst b/Documentation/admin-guide/mm/zswap.rst index 283d77217c6f..2464425c783d 100644 --- a/Documentation/admin-guide/mm/zswap.rst +++ b/Documentation/admin-guide/mm/zswap.rst @@ -59,11 +59,11 @@ returned by the allocation routine and that handle must be mapped before being accessed. The compressed memory pool grows on demand and shrinks as compressed pages are freed. The pool is not preallocated. -When a swap page is passed from swapout to zswap, zswap maintains a mapping -of the swap entry, a combination of the swap type and swap offset, to the -zsmalloc handle that references that compressed swap page. This mapping is -achieved with a red-black tree per swap type. The swap offset is the search -key for the tree nodes. +When a swap page is passed from swapout to zswap, zswap maintains a mapping of +the swap entry, a combination of the swap type and swap offset, to the zsmalloc +handle that references that compressed swap page. This mapping is achieved +with an xarray per swap type. The swap offset is the search key for the xarray +nodes. During a page fault on a PTE that is a swap entry, the swapin code calls the zswap load function to decompress the page into the page allocated by the page |