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mm/damon/paddr: convert damon_pa_*() to use a folio

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With damon_get_folio(), let's convert all the damon_pa_*() to use a folio.

Link: https://lkml.kernel.org/r/20221230070849.63358-6-wangkefeng.wang@huawei.com
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Reviewed-by: SeongJae Park <sj@kernel.org>
Cc: David Hildenbrand <david@redhat.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Vishal Moola (Oracle) <vishal.moola@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Kefeng Wang
2022-12-30 15:08:46 +08:00
committed by Andrew Morton
parent 70e314c9ab
commit 07bb1fbaa2
1 changed files with 26 additions and 32 deletions
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58
mm/damon/paddr.c
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@@ -33,17 +33,15 @@ static bool __damon_pa_mkold(struct folio *folio, struct vm_area_struct *vma,
static void damon_pa_mkold(unsigned long paddr) static void damon_pa_mkold(unsigned long paddr)
{ {
struct folio *folio; struct folio *folio = damon_get_folio(PHYS_PFN(paddr));
struct page *page = damon_get_page(PHYS_PFN(paddr));
struct rmap_walk_control rwc = { struct rmap_walk_control rwc = {
.rmap_one = __damon_pa_mkold, .rmap_one = __damon_pa_mkold,
.anon_lock = folio_lock_anon_vma_read, .anon_lock = folio_lock_anon_vma_read,
}; };
bool need_lock; bool need_lock;
if (!page) if (!folio)
return; return;
folio = page_folio(page);
if (!folio_mapped(folio) || !folio_raw_mapping(folio)) { if (!folio_mapped(folio) || !folio_raw_mapping(folio)) {
folio_set_idle(folio); folio_set_idle(folio);
@@ -122,8 +120,7 @@ static bool __damon_pa_young(struct folio *folio, struct vm_area_struct *vma,
static bool damon_pa_young(unsigned long paddr, unsigned long *page_sz) static bool damon_pa_young(unsigned long paddr, unsigned long *page_sz)
{ {
struct folio *folio; struct folio *folio = damon_get_folio(PHYS_PFN(paddr));
struct page *page = damon_get_page(PHYS_PFN(paddr));
struct damon_pa_access_chk_result result = { struct damon_pa_access_chk_result result = {
.page_sz = PAGE_SIZE, .page_sz = PAGE_SIZE,
.accessed = false, .accessed = false,
@@ -135,9 +132,8 @@ static bool damon_pa_young(unsigned long paddr, unsigned long *page_sz)
}; };
bool need_lock; bool need_lock;
if (!page) if (!folio)
return false; return false;
folio = page_folio(page);
if (!folio_mapped(folio) || !folio_raw_mapping(folio)) { if (!folio_mapped(folio) || !folio_raw_mapping(folio)) {
if (folio_test_idle(folio)) if (folio_test_idle(folio))
@@ -203,18 +199,18 @@ static unsigned int damon_pa_check_accesses(struct damon_ctx *ctx)
} }
static bool __damos_pa_filter_out(struct damos_filter *filter, static bool __damos_pa_filter_out(struct damos_filter *filter,
struct page *page) struct folio *folio)
{ {
bool matched = false; bool matched = false;
struct mem_cgroup *memcg; struct mem_cgroup *memcg;
switch (filter->type) { switch (filter->type) {
case DAMOS_FILTER_TYPE_ANON: case DAMOS_FILTER_TYPE_ANON:
matched = PageAnon(page); matched = folio_test_anon(folio);
break; break;
case DAMOS_FILTER_TYPE_MEMCG: case DAMOS_FILTER_TYPE_MEMCG:
rcu_read_lock(); rcu_read_lock();
memcg = page_memcg_check(page); memcg = folio_memcg_check(folio);
if (!memcg) if (!memcg)
matched = false; matched = false;
else else
@@ -231,12 +227,12 @@ static bool __damos_pa_filter_out(struct damos_filter *filter,
/* /*
* damos_pa_filter_out - Return true if the page should be filtered out. * damos_pa_filter_out - Return true if the page should be filtered out.
*/ */
static bool damos_pa_filter_out(struct damos *scheme, struct page *page) static bool damos_pa_filter_out(struct damos *scheme, struct folio *folio)
{ {
struct damos_filter *filter; struct damos_filter *filter;
damos_for_each_filter(filter, scheme) { damos_for_each_filter(filter, scheme) {
if (__damos_pa_filter_out(filter, page)) if (__damos_pa_filter_out(filter, folio))
return true; return true;
} }
return false; return false;
@@ -245,33 +241,33 @@ static bool damos_pa_filter_out(struct damos *scheme, struct page *page)
static unsigned long damon_pa_pageout(struct damon_region *r, struct damos *s) static unsigned long damon_pa_pageout(struct damon_region *r, struct damos *s)
{ {
unsigned long addr, applied; unsigned long addr, applied;
LIST_HEAD(page_list); LIST_HEAD(folio_list);
for (addr = r->ar.start; addr < r->ar.end; addr += PAGE_SIZE) { for (addr = r->ar.start; addr < r->ar.end; addr += PAGE_SIZE) {
struct page *page = damon_get_page(PHYS_PFN(addr)); struct folio *folio = damon_get_folio(PHYS_PFN(addr));
if (!page) if (!folio)
continue; continue;
if (damos_pa_filter_out(s, page)) { if (damos_pa_filter_out(s, folio)) {
put_page(page); folio_put(folio);
continue; continue;
} }
ClearPageReferenced(page); folio_clear_referenced(folio);
test_and_clear_page_young(page); folio_test_clear_young(folio);
if (isolate_lru_page(page)) { if (folio_isolate_lru(folio)) {
put_page(page); folio_put(folio);
continue; continue;
} }
if (PageUnevictable(page)) { if (folio_test_unevictable(folio)) {
putback_lru_page(page); folio_putback_lru(folio);
} else { } else {
list_add(&page->lru, &page_list); list_add(&folio->lru, &folio_list);
put_page(page); folio_put(folio);
} }
} }
applied = reclaim_pages(&page_list); applied = reclaim_pages(&folio_list);
cond_resched(); cond_resched();
return applied * PAGE_SIZE; return applied * PAGE_SIZE;
} }
@@ -282,14 +278,12 @@ static inline unsigned long damon_pa_mark_accessed_or_deactivate(
unsigned long addr, applied = 0; unsigned long addr, applied = 0;
for (addr = r->ar.start; addr < r->ar.end; addr += PAGE_SIZE) { for (addr = r->ar.start; addr < r->ar.end; addr += PAGE_SIZE) {
struct page *page = damon_get_page(PHYS_PFN(addr)); struct folio *folio = damon_get_folio(PHYS_PFN(addr));
struct folio *folio;
if (!page) if (!folio)
continue; continue;
folio = page_folio(page);
if (damos_pa_filter_out(s, &folio->page)) { if (damos_pa_filter_out(s, folio)) {
folio_put(folio); folio_put(folio);
continue; continue;
} }