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proc: convert smaps_page_accumulate to use a folio

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Replaces three calls to compound_head() with one.  Shrinks the function
from 2614 bytes to 1112 bytes in an allmodconfig build.

Link: https://lkml.kernel.org/r/20240403171456.1445117-3-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Christian Brauner <brauner@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Matthew Wilcox (Oracle)
2024-04-03 18:14:53 +01:00
committed by Andrew Morton
parent f1dc623fa0
commit cfc96da432
1 changed files with 4 additions and 3 deletions
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7
fs/proc/task_mmu.c
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@@ -414,11 +414,12 @@ static void smaps_page_accumulate(struct mem_size_stats *mss,
struct page *page, unsigned long size, unsigned long pss,
bool dirty, bool locked, bool private)
{
struct folio *folio = page_folio(page);
mss->pss += pss;
if (PageAnon(page))
if (folio_test_anon(folio))
mss->pss_anon += pss;
else if (PageSwapBacked(page))
else if (folio_test_swapbacked(folio))
mss->pss_shmem += pss;
else
mss->pss_file += pss;
@@ -426,7 +427,7 @@ static void smaps_page_accumulate(struct mem_size_stats *mss,
if (locked)
mss->pss_locked += pss;
if (dirty || PageDirty(page)) {
if (dirty || folio_test_dirty(folio)) {
mss->pss_dirty += pss;
if (private)
mss->private_dirty += size;