The patch titled
Subject: mm/damon/paddr: deduplicate damon_pa_{mark_accessed,deactivate_pages}()
has been added to the -mm mm-unstable branch. Its filename is
mm-damon-paddr-deduplicate-damon_pa_mark_accesseddeactivate_pages.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-damon-paddr-deduplicate-damon_pa_mark_accesseddeactivate_pages.patch
This patch will later appear in the mm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: SeongJae Park <sj@xxxxxxxxxx>
Subject: mm/damon/paddr: deduplicate damon_pa_{mark_accessed,deactivate_pages}()
Date: Tue, 13 Sep 2022 17:44:29 +0000
The bodies of damon_pa_{mark_accessed,deactivate_pages}() contains
duplicates. This commit factors out the common part to a separate
function and removes the duplicates.
Link: https://lkml.kernel.org/r/20220913174449.50645-3-sj@xxxxxxxxxx
Signed-off-by: SeongJae Park <sj@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/damon/paddr.c | 26 ++++++++++++--------------
1 file changed, 12 insertions(+), 14 deletions(-)
--- a/mm/damon/paddr.c~mm-damon-paddr-deduplicate-damon_pa_mark_accesseddeactivate_pages
+++ a/mm/damon/paddr.c
@@ -232,7 +232,8 @@ static unsigned long damon_pa_pageout(st
return applied * PAGE_SIZE;
}
-static unsigned long damon_pa_mark_accessed(struct damon_region *r)
+static inline unsigned long damon_pa_mark_accessed_or_deactivate(
+ struct damon_region *r, bool mark_accessed)
{
unsigned long addr, applied = 0;
@@ -241,27 +242,24 @@ static unsigned long damon_pa_mark_acces
if (!page)
continue;
- mark_page_accessed(page);
+ if (mark_accessed)
+ mark_page_accessed(page);
+ else
+ deactivate_page(page);
put_page(page);
applied++;
}
return applied * PAGE_SIZE;
}
-static unsigned long damon_pa_deactivate_pages(struct damon_region *r)
+static unsigned long damon_pa_mark_accessed(struct damon_region *r)
{
- unsigned long addr, applied = 0;
-
- for (addr = r->ar.start; addr < r->ar.end; addr += PAGE_SIZE) {
- struct page *page = damon_get_page(PHYS_PFN(addr));
+ return damon_pa_mark_accessed_or_deactivate(r, true);
+}
- if (!page)
- continue;
- deactivate_page(page);
- put_page(page);
- applied++;
- }
- return applied * PAGE_SIZE;
+static unsigned long damon_pa_deactivate_pages(struct damon_region *r)
+{
+ return damon_pa_mark_accessed_or_deactivate(r, false);
}
static unsigned long damon_pa_apply_scheme(struct damon_ctx *ctx,
_
Patches currently in -mm which might be from sj@xxxxxxxxxx are
mm-demotion-update-node_is_toptier-to-work-with-memory-tiers-fix.patch
selftest-damon-add-a-test-for-duplicate-context-dirs-creation.patch
mm-damon-core-avoid-holes-in-newly-set-monitoring-target-ranges.patch
mm-damon-core-test-test-damon_set_regions.patch
docs-admin-guide-mm-damon-rename-the-title-of-the-document.patch
mm-damon-kconfig-notify-debugfs-deprecation-plan.patch
docs-admin-guide-mm-damon-start-mention-the-dependency-as-sysfs-instead-of-debugfs.patch
docs-admin-guide-mm-damon-usage-note-damon-debugfs-interface-deprecation-plan.patch
mm-damon-paddr-make-supported-damos-actions-of-paddr-clear.patch
mm-damon-paddr-deduplicate-damon_pa_mark_accesseddeactivate_pages.patch
mm-damon-core-copy-struct-to-struct-instead-of-field-to-field-in-damon_new_scheme.patch
mm-damon-core-factor-out-damos_quota-private-fileds-initialization.patch
mm-damon-core-use-a-dedicated-struct-for-monitoring-attributes.patch
mm-damon-core-reduce-parameters-for-damon_set_attrs.patch
mm-damon-reclaim-use-struct-damon_attrs-for-storing-parameters-for-it.patch
mm-damon-lru_sort-use-struct-damon_attrs-for-storing-parameters-for-it.patch
mm-damon-implement-a-monitoring-attributes-module-parameters-generator-macro.patch
mm-damon-lru_sort-use-monitoring-attributes-parameters-generaotr-macro.patch
mm-damon-reclaim-use-monitoring-attributes-parameters-generator-macro.patch
mm-damon-modules-common-implement-a-watermarks-module-parameters-generator-macro.patch
mm-damon-lru_sort-use-watermarks-parameters-generator-macro.patch
mm-damon-reclaim-use-watermarks-parameters-generator-macro.patch
mm-damon-modules-common-implement-a-stats-parameters-generator-macro.patch
mm-damon-reclaim-use-stat-parameters-generator.patch
mm-damon-lru_sort-use-stat-generator.patch
mm-damon-modules-common-implement-a-damos-quota-params-generator.patch
mm-damon-modules-common-implement-damos-time-quota-params-generator.patch
mm-damon-reclaim-use-the-quota-params-generator-macro.patch
mm-damon-lru_sort-use-quotas-param-generator.patch
mm-damon-lru_sort-deduplicate-hot-cold-schemes-generators.patch
