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authorKanchana P Sridhar <kanchana.p.sridhar@intel.com>2024-10-01 07:32:20 +0200
committerAndrew Morton <akpm@linux-foundation.org>2024-11-11 09:26:42 +0100
commit6e1fa555ec772046ec3b903f507ff7fed5323796 (patch)
tree2c171e3159942b678aee3f9092ce0ee51aea4554 /fs/proc
parentmm: zswap: rename zswap_pool_get() to zswap_pool_tryget() (diff)
downloadlinux-6e1fa555ec772046ec3b903f507ff7fed5323796.tar.xz
linux-6e1fa555ec772046ec3b903f507ff7fed5323796.zip
mm: zswap: modify zswap_stored_pages to be atomic_long_t
For zswap_store() to support large folios, we need to be able to do a batch update of zswap_stored_pages upon successful store of all pages in the folio. For this, we need to add folio_nr_pages(), which returns a long, to zswap_stored_pages. Link: https://lkml.kernel.org/r/20241001053222.6944-6-kanchana.p.sridhar@intel.com Signed-off-by: Kanchana P Sridhar <kanchana.p.sridhar@intel.com> Acked-by: Yosry Ahmed <yosryahmed@google.com> Acked-by: Johannes Weiner <hannes@cmpxchg.org> Reviewed-by: Nhat Pham <nphamcs@gmail.com> Cc: Chengming Zhou <chengming.zhou@linux.dev> Cc: "Huang, Ying" <ying.huang@intel.com> Cc: Matthew Wilcox <willy@infradead.org> Cc: Ryan Roberts <ryan.roberts@arm.com> Cc: Shakeel Butt <shakeel.butt@linux.dev> Cc: Usama Arif <usamaarif642@gmail.com> Cc: Wajdi Feghali <wajdi.k.feghali@intel.com> Cc: "Zou, Nanhai" <nanhai.zou@intel.com> Cc: Barry Song <21cnbao@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'fs/proc')
-rw-r--r--fs/proc/meminfo.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/proc/meminfo.c b/fs/proc/meminfo.c
index 245171d9164b..8ba9b1472390 100644
--- a/fs/proc/meminfo.c
+++ b/fs/proc/meminfo.c
@@ -91,7 +91,7 @@ static int meminfo_proc_show(struct seq_file *m, void *v)
#ifdef CONFIG_ZSWAP
show_val_kb(m, "Zswap: ", zswap_total_pages());
seq_printf(m, "Zswapped: %8lu kB\n",
- (unsigned long)atomic_read(&zswap_stored_pages) <<
+ (unsigned long)atomic_long_read(&zswap_stored_pages) <<
(PAGE_SHIFT - 10));
#endif
show_val_kb(m, "Dirty: ",