From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3F68B19E7E2 for ; Fri, 22 Aug 2025 23:37:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755905825; cv=none; b=izBovWO5js0oG83szS/aBUfS0UHzcPNdo2ITWq7MjKE4NTujEUIn+trezOWnE9LyasNd4wj2+S1nvdTaXNEf59tCE0U8K85qJoKUpdhZ4CEULMFMcwo8ckGr6sBdyjardLEse1UayemHGIo6KHBz4sWGGh4BZJ86Mg/sld5pGP4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755905825; c=relaxed/simple; bh=N9jJ9ZvA/bBzbfDhXeyQNGViiMP6af+q2NCAZcb+2aM=; h=Date:To:From:Subject:Message-Id; b=f1nvWKzdZ0aGj7Gc04nNKILG/Xl74dGuCz6UcyCl+KNxBs49rbhmdv+NtkDdnaTxMRYSUS/N2H2oxr4AIefqBPjdGDQo/gU/JXaEWpy2B1VoHXLEhFQ90wT+VVbdgudH5DqafhNX8UkaC61x4Cy+mkR8OqrwzU2S4iOrZmj9jVc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b=p7u9cgL9; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b="p7u9cgL9" Received: by smtp.kernel.org (Postfix) with ESMTPSA id C43A9C4CEED; Fri, 22 Aug 2025 23:37:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1755905824; bh=N9jJ9ZvA/bBzbfDhXeyQNGViiMP6af+q2NCAZcb+2aM=; h=Date:To:From:Subject:From; b=p7u9cgL9cskbHa+GHirbeKQlkOWjQ6JM3YpVUBQsDRO8Zvp01xxeIgH5CN+xu2mPf Nd9sWjLgqto2iuD+fa2zlD1lm0YjxRPiqJX6mEgkxsFE27lmnuPjf/8PlCv4/4NiP0 9XraZ0fMoz/2rRTQdQs1lZHGi+PUNS6xhotRJSNs= Date: Fri, 22 Aug 2025 16:37:04 -0700 To: mm-commits@vger.kernel.org,zuoze1@huawei.com,yanquanmin1@huawei.com,wangkefeng.wang@huawei.com,sj@kernel.org,akpm@linux-foundation.org From: Andrew Morton Subject: + mm-damon-paddr-support-addr_unit-for-damos_pageout.patch added to mm-new branch Message-Id: <20250822233704.C43A9C4CEED@smtp.kernel.org> Precedence: bulk X-Mailing-List: mm-commits@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: The patch titled Subject: mm/damon/paddr: support addr_unit for DAMOS_PAGEOUT has been added to the -mm mm-new branch. Its filename is mm-damon-paddr-support-addr_unit-for-damos_pageout.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-support-addr_unit-for-damos_pageout.patch This patch will later appear in the mm-new branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Note, mm-new is a provisional staging ground for work-in-progress patches, and acceptance into mm-new is a notification for others take notice and to finish up reviews. Please do not hesitate to respond to review feedback and post updated versions to replace or incrementally fixup patches in mm-new. Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next via the mm-everything branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm and is updated there every 2-3 working days ------------------------------------------------------ From: SeongJae Park Subject: mm/damon/paddr: support addr_unit for DAMOS_PAGEOUT Date: Fri, 22 Aug 2025 17:34:11 +0800 Add support of addr_unit for DAMOS_PAGEOUT action handling from the DAMOS operation implementation for the physical address space. Link: https://lkml.kernel.org/r/20250822093420.2103803-4-yanquanmin1@huawei.com Signed-off-by: SeongJae Park Signed-off-by: Quanmin Yan Reviewed-by: SeongJae Park Cc: Kefeng Wang Cc: ze zuo Signed-off-by: Andrew Morton --- mm/damon/paddr.c | 17 ++++++++++------- 1 file changed, 10 insertions(+), 7 deletions(-) --- a/mm/damon/paddr.c~mm-damon-paddr-support-addr_unit-for-damos_pageout +++ a/mm/damon/paddr.c @@ -135,10 +135,11 @@ static bool damon_pa_invalid_damos_folio return false; } -static unsigned long damon_pa_pageout(struct damon_region *r, struct damos *s, +static unsigned long damon_pa_pageout(struct damon_region *r, + unsigned long addr_unit, struct damos *s, unsigned long *sz_filter_passed) { - unsigned long addr, applied; + phys_addr_t addr, applied; LIST_HEAD(folio_list); bool install_young_filter = true; struct damos_filter *filter; @@ -159,8 +160,8 @@ static unsigned long damon_pa_pageout(st damos_add_filter(s, filter); } - addr = r->ar.start; - while (addr < r->ar.end) { + addr = damon_pa_phys_addr(r->ar.start, addr_unit); + while (addr < damon_pa_phys_addr(r->ar.end, addr_unit)) { folio = damon_get_folio(PHYS_PFN(addr)); if (damon_pa_invalid_damos_folio(folio, s)) { addr += PAGE_SIZE; @@ -170,7 +171,7 @@ static unsigned long damon_pa_pageout(st if (damos_pa_filter_out(s, folio)) goto put_folio; else - *sz_filter_passed += folio_size(folio); + *sz_filter_passed += folio_size(folio) / addr_unit; folio_clear_referenced(folio); folio_test_clear_young(folio); @@ -189,7 +190,7 @@ put_folio: applied = reclaim_pages(&folio_list); cond_resched(); s->last_applied = folio; - return applied * PAGE_SIZE; + return applied * PAGE_SIZE / addr_unit; } static inline unsigned long damon_pa_mark_accessed_or_deactivate( @@ -302,9 +303,11 @@ static unsigned long damon_pa_apply_sche struct damon_target *t, struct damon_region *r, struct damos *scheme, unsigned long *sz_filter_passed) { + unsigned long aunit = ctx->addr_unit; + switch (scheme->action) { case DAMOS_PAGEOUT: - return damon_pa_pageout(r, scheme, sz_filter_passed); + return damon_pa_pageout(r, aunit, scheme, sz_filter_passed); case DAMOS_LRU_PRIO: return damon_pa_mark_accessed(r, scheme, sz_filter_passed); case DAMOS_LRU_DEPRIO: _ Patches currently in -mm which might be from sj@kernel.org are mm-zswap-store-page_size-compression-failed-page-as-is.patch mm-zswap-store-page_size-compression-failed-page-as-is-fix.patch mm-zswap-store-page_size-compression-failed-page-as-is-v5.patch mm-damon-core-add-damon_ctx-addr_unit.patch mm-damon-paddr-support-addr_unit-for-access-monitoring.patch mm-damon-paddr-support-addr_unit-for-damos_pageout.patch mm-damon-paddr-support-addr_unit-for-damos_lru_prio.patch mm-damon-paddr-support-addr_unit-for-migrate_hotcold.patch mm-damon-paddr-support-addr_unit-for-damos_stat.patch mm-damon-sysfs-implement-addr_unit-file-under-context-dir.patch docs-mm-damon-design-document-address-unit-parameter.patch docs-admin-guide-mm-damon-usage-document-addr_unit-file.patch docs-abi-damon-document-addr_unit-file.patch