diff options
| author | Johannes Weiner <hannes@cmpxchg.org> | 2024-03-12 18:34:12 +0300 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2024-04-26 06:55:48 +0300 |
| commit | 4196b48ddd382419e51658bf94a25af195ba9450 (patch) | |
| tree | d40a1612881356123e6b4896bdb888039dab0822 /mm/zbud.c | |
| parent | 91cdcd8d624bfdf05e8db9d572759516f3c786b8 (diff) | |
| download | linux-4196b48ddd382419e51658bf94a25af195ba9450.tar.xz | |
mm: zpool: return pool size in pages
All zswap backends track their pool sizes in pages. Currently they
multiply by PAGE_SIZE for zswap, only for zswap to divide again in order
to do limit math. Report pages directly.
Link: https://lkml.kernel.org/r/20240312153901.3441-2-hannes@cmpxchg.org
Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Acked-by: Yosry Ahmed <yosryahmed@google.com>
Reviewed-by: Chengming Zhou <chengming.zhou@linux.dev>
Reviewed-by: Nhat Pham <nphamcs@gmail.com>
Cc: Yosry Ahmed <yosryahmed@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/zbud.c')
| -rw-r--r-- | mm/zbud.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/mm/zbud.c b/mm/zbud.c index 2190cc1f37b3..e9836fff9438 100644 --- a/mm/zbud.c +++ b/mm/zbud.c @@ -365,13 +365,13 @@ static void zbud_unmap(struct zbud_pool *pool, unsigned long handle) } /** - * zbud_get_pool_size() - gets the zbud pool size in pages + * zbud_get_pool_pages() - gets the zbud pool size in pages * @pool: pool whose size is being queried * * Returns: size in pages of the given pool. The pool lock need not be * taken to access pages_nr. */ -static u64 zbud_get_pool_size(struct zbud_pool *pool) +static u64 zbud_get_pool_pages(struct zbud_pool *pool) { return pool->pages_nr; } @@ -410,9 +410,9 @@ static void zbud_zpool_unmap(void *pool, unsigned long handle) zbud_unmap(pool, handle); } -static u64 zbud_zpool_total_size(void *pool) +static u64 zbud_zpool_total_pages(void *pool) { - return zbud_get_pool_size(pool) * PAGE_SIZE; + return zbud_get_pool_pages(pool); } static struct zpool_driver zbud_zpool_driver = { @@ -425,7 +425,7 @@ static struct zpool_driver zbud_zpool_driver = { .free = zbud_zpool_free, .map = zbud_zpool_map, .unmap = zbud_zpool_unmap, - .total_size = zbud_zpool_total_size, + .total_pages = zbud_zpool_total_pages, }; MODULE_ALIAS("zpool-zbud"); |