[PATCH 3/4] proc: Pass a folio to smaps_page_accumulate()

From: Matthew Wilcox (Oracle)
Date: Wed Apr 03 2024 - 13:15:42 EST


Both callers already have a folio; pass it in instead of doing the
conversion each time.

Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
---
fs/proc/task_mmu.c | 11 +++++------
1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c
index 2a3133dd47b1..6d4f60bc8824 100644
--- a/fs/proc/task_mmu.c
+++ b/fs/proc/task_mmu.c
@@ -411,10 +411,9 @@ struct mem_size_stats {
};

static void smaps_page_accumulate(struct mem_size_stats *mss,
- struct page *page, unsigned long size, unsigned long pss,
+ struct folio *folio, unsigned long size, unsigned long pss,
bool dirty, bool locked, bool private)
{
- struct folio *folio = page_folio(page);
mss->pss += pss;

if (folio_test_anon(folio))
@@ -484,8 +483,8 @@ static void smaps_account(struct mem_size_stats *mss, struct page *page,
* as mapcount == 1.
*/
if ((folio_ref_count(folio) == 1) || migration) {
- smaps_page_accumulate(mss, page, size, size << PSS_SHIFT, dirty,
- locked, true);
+ smaps_page_accumulate(mss, folio, size, size << PSS_SHIFT,
+ dirty, locked, true);
return;
}
for (i = 0; i < nr; i++, page++) {
@@ -493,8 +492,8 @@ static void smaps_account(struct mem_size_stats *mss, struct page *page,
unsigned long pss = PAGE_SIZE << PSS_SHIFT;
if (mapcount >= 2)
pss /= mapcount;
- smaps_page_accumulate(mss, page, PAGE_SIZE, pss, dirty, locked,
- mapcount < 2);
+ smaps_page_accumulate(mss, folio, PAGE_SIZE, pss,
+ dirty, locked, mapcount < 2);
}
}

--
2.43.0