[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-Id: <20230109213335.62525-5-sj@kernel.org>
Date: Mon, 9 Jan 2023 21:33:33 +0000
From: SeongJae Park <sj@...nel.org>
To: Andrew Morton <akpm@...ux-foundation.org>
Cc: SeongJae Park <sj@...nel.org>, damon@...ts.linux.dev,
linux-mm@...ck.org, linux-kernel@...r.kernel.org
Subject: [PATCH 4/6] mm/damon/paddr: rename 'damon_pa_access_chk_result->page_sz' to 'folio_sz'
DAMON's physical address space monitoring operations set is using folio
now. Rename 'damon_pa_access_chk_result->page_sz' to reflect the fact.
Signed-off-by: SeongJae Park <sj@...nel.org>
---
mm/damon/paddr.c | 21 +++++++++++----------
1 file changed, 11 insertions(+), 10 deletions(-)
diff --git a/mm/damon/paddr.c b/mm/damon/paddr.c
index 99d4c357ef2b..65c1e0f91535 100644
--- a/mm/damon/paddr.c
+++ b/mm/damon/paddr.c
@@ -80,7 +80,8 @@ static void damon_pa_prepare_access_checks(struct damon_ctx *ctx)
}
struct damon_pa_access_chk_result {
- unsigned long page_sz;
+ /* size of the folio for the access checked physical memory address */
+ unsigned long folio_sz;
bool accessed;
};
@@ -91,7 +92,7 @@ static bool __damon_pa_young(struct folio *folio, struct vm_area_struct *vma,
DEFINE_FOLIO_VMA_WALK(pvmw, folio, vma, addr, 0);
result->accessed = false;
- result->page_sz = PAGE_SIZE;
+ result->folio_sz = PAGE_SIZE;
while (page_vma_mapped_walk(&pvmw)) {
addr = pvmw.address;
if (pvmw.pte) {
@@ -103,7 +104,7 @@ static bool __damon_pa_young(struct folio *folio, struct vm_area_struct *vma,
result->accessed = pmd_young(*pvmw.pmd) ||
!folio_test_idle(folio) ||
mmu_notifier_test_young(vma->vm_mm, addr);
- result->page_sz = HPAGE_PMD_SIZE;
+ result->folio_sz = HPAGE_PMD_SIZE;
#else
WARN_ON_ONCE(1);
#endif /* CONFIG_TRANSPARENT_HUGEPAGE */
@@ -118,11 +119,11 @@ static bool __damon_pa_young(struct folio *folio, struct vm_area_struct *vma,
return !result->accessed;
}
-static bool damon_pa_young(unsigned long paddr, unsigned long *page_sz)
+static bool damon_pa_young(unsigned long paddr, unsigned long *folio_sz)
{
struct folio *folio = damon_get_folio(PHYS_PFN(paddr));
struct damon_pa_access_chk_result result = {
- .page_sz = PAGE_SIZE,
+ .folio_sz = PAGE_SIZE,
.accessed = false,
};
struct rmap_walk_control rwc = {
@@ -157,25 +158,25 @@ static bool damon_pa_young(unsigned long paddr, unsigned long *page_sz)
folio_put(folio);
out:
- *page_sz = result.page_sz;
+ *folio_sz = result.folio_sz;
return result.accessed;
}
static void __damon_pa_check_access(struct damon_region *r)
{
static unsigned long last_addr;
- static unsigned long last_page_sz = PAGE_SIZE;
+ static unsigned long last_folio_sz = PAGE_SIZE;
static bool last_accessed;
/* If the region is in the last checked page, reuse the result */
- if (ALIGN_DOWN(last_addr, last_page_sz) ==
- ALIGN_DOWN(r->sampling_addr, last_page_sz)) {
+ if (ALIGN_DOWN(last_addr, last_folio_sz) ==
+ ALIGN_DOWN(r->sampling_addr, last_folio_sz)) {
if (last_accessed)
r->nr_accesses++;
return;
}
- last_accessed = damon_pa_young(r->sampling_addr, &last_page_sz);
+ last_accessed = damon_pa_young(r->sampling_addr, &last_folio_sz);
if (last_accessed)
r->nr_accesses++;
--
2.25.1
Powered by blists - more mailing lists