Commit 039d26d1 authored by Matthew Wilcox (Oracle)'s avatar Matthew Wilcox (Oracle) Committed by Andrew Morton
Browse files

proc: convert smaps_pmd_entry to use a folio 

Replace two calls to compound_head() with one.

Link: https://lkml.kernel.org/r/20240403171456.1445117-5-willy@infradead.org


Signed-off-by: default avatarMatthew Wilcox (Oracle) <willy@infradead.org>
Cc: Christian Brauner <brauner@kernel.org>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
parent 27bb0a70

fs/proc/task_mmu.c

+5 −3
Original line number Diff line number Diff line
@@ -578,6 +578,7 @@ static void smaps_pmd_entry(pmd_t *pmd, unsigned long addr, 
	struct vm_area_struct *vma = walk->vma;

	bool locked = !!(vma->vm_flags & VM_LOCKED);

	struct page *page = NULL;

	struct folio *folio;

	bool migration = false;



	if (pmd_present(*pmd)) {
@@ -592,11 +593,12 @@ static void smaps_pmd_entry(pmd_t *pmd, unsigned long addr, 
	}

	if (IS_ERR_OR_NULL(page))

		return;

	if (PageAnon(page))

	folio = page_folio(page);

	if (folio_test_anon(folio))

		mss->anonymous_thp += HPAGE_PMD_SIZE;

	else if (PageSwapBacked(page))

	else if (folio_test_swapbacked(folio))

		mss->shmem_thp += HPAGE_PMD_SIZE;

	else if (is_zone_device_page(page))

	else if (folio_is_zone_device(folio))

		/* pass */;

	else

		mss->file_thp += HPAGE_PMD_SIZE;