From 4196b48ddd382419e51658bf94a25af195ba9450 Mon Sep 17 00:00:00 2001 From: Johannes Weiner Date: Tue, 12 Mar 2024 11:34:12 -0400 Subject: 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 Acked-by: Yosry Ahmed Reviewed-by: Chengming Zhou Reviewed-by: Nhat Pham Cc: Yosry Ahmed Signed-off-by: Andrew Morton --- mm/z3fold.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) (limited to 'mm/z3fold.c') diff --git a/mm/z3fold.c b/mm/z3fold.c index 7ab05621052d..2ebfed32871b 100644 --- a/mm/z3fold.c +++ b/mm/z3fold.c @@ -1237,12 +1237,12 @@ static void z3fold_unmap(struct z3fold_pool *pool, unsigned long handle) } /** - * z3fold_get_pool_size() - gets the z3fold pool size in pages + * z3fold_get_pool_pages() - gets the z3fold pool size in pages * @pool: pool whose size is being queried * * Returns: size in pages of the given pool. */ -static u64 z3fold_get_pool_size(struct z3fold_pool *pool) +static u64 z3fold_get_pool_pages(struct z3fold_pool *pool) { return atomic64_read(&pool->pages_nr); } @@ -1402,9 +1402,9 @@ static void z3fold_zpool_unmap(void *pool, unsigned long handle) z3fold_unmap(pool, handle); } -static u64 z3fold_zpool_total_size(void *pool) +static u64 z3fold_zpool_total_pages(void *pool) { - return z3fold_get_pool_size(pool) * PAGE_SIZE; + return z3fold_get_pool_pages(pool); } static struct zpool_driver z3fold_zpool_driver = { @@ -1417,7 +1417,7 @@ static struct zpool_driver z3fold_zpool_driver = { .free = z3fold_zpool_free, .map = z3fold_zpool_map, .unmap = z3fold_zpool_unmap, - .total_size = z3fold_zpool_total_size, + .total_pages = z3fold_zpool_total_pages, }; MODULE_ALIAS("zpool-z3fold"); -- cgit v1.2.3