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 649B32D060B for ; Mon, 25 Aug 2025 22:59:10 +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=1756162750; cv=none; b=XHRFfy8WOhAayPjywCynl+mZV+Ulpy9oy+D/M5OqDzsOicJWIKbPADgQ0UzjVJ/CtxGbPQtHuraEu6OxAU+0xW2+d5t8GsEiatuAS4jA9mHSvr+l5DZ07H6kpDUc59fAxMVksGC7yNpOLc8Zxy59xvhxhOsY9wSpK2oc0/m9/Nk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756162750; c=relaxed/simple; bh=wPdBWg3OpLVkuhePR/tyQl1lM7XA0am28CCxJeqkLKk=; h=Date:To:From:Subject:Message-Id; b=T+wIj0+2h9eLZgxPBP9q6H6DMC4wWTi/nLD3chb48gXamsBVfRndR4VSlhRzIZkFZMssJJoYCC9WxR4KwmtUmqEX0MGdT3k7o3qqQYRZOicropGOjre0IiaqunicnnzTYk/ov+rP9kFEzPTh0NMx4Ejw+7Dzk1iTEEdX4AJYhKM= 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=pAv7KcyY; 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="pAv7KcyY" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1915FC4CEED; Mon, 25 Aug 2025 22:59:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1756162750; bh=wPdBWg3OpLVkuhePR/tyQl1lM7XA0am28CCxJeqkLKk=; h=Date:To:From:Subject:From; b=pAv7KcyY/igysi9rd8fznmvHPKn2tFB7qbi1HP7m9oGIp12A+LGFbRpBTb4akI4tZ wAawT5ZcLcjx0x4TqKqWukFox6yFZsqDsXemlR3t8JdTgYgX+qsLchY5khaYBzbJzJ Os1WrP/mMU/tqO5wCX3w1813p32Vzh0ZHAXEQGu8= Date: Mon, 25 Aug 2025 15:59:09 -0700 To: mm-commits@vger.kernel.org,zuoze1@huawei.com,wangkefeng.wang@huawei.com,lkp@intel.com,sj@kernel.org,akpm@linux-foundation.org From: Andrew Morton Subject: + mm-damon-paddr-support-addr_unit-for-damos_pageout-fix.patch added to mm-unstable branch Message-Id: <20250825225910.1915FC4CEED@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: use do_div() on i386 for damon_pa_pageout() return value has been added to the -mm mm-unstable branch. Its filename is mm-damon-paddr-support-addr_unit-for-damos_pageout-fix.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-fix.patch This patch will later appear in the mm-unstable branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm 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: use do_div() on i386 for damon_pa_pageout() return value Date: Mon, 25 Aug 2025 07:41:33 -0700 Otherwise, __udidi3 linking problem happens on certain configs. Link: https://lkml.kernel.org/r/20250825151205.36288-1-sj@kernel.org Reported-by: kernel test robot Closes: https://lore.kernel.org/oe-kbuild-all/202508241831.EKwdwXZL-lkp@intel.com/ Signed-off-by: SeongJae Park Cc: Kefeng Wang Cc: ze zuo Signed-off-by: Andrew Morton --- mm/damon/paddr.c | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-) --- a/mm/damon/paddr.c~mm-damon-paddr-support-addr_unit-for-damos_pageout-fix +++ a/mm/damon/paddr.c @@ -135,6 +135,18 @@ static bool damon_pa_invalid_damos_folio return false; } +/* convert physical address to core-layer address */ +static unsigned long damon_pa_core_addr(phys_addr_t pa, + unsigned long addr_unit) +{ +#ifdef __i386__ + do_div(pa, addr_unit); + return pa; +#else + return pa / addr_unit; +#endif +} + static unsigned long damon_pa_pageout(struct damon_region *r, unsigned long addr_unit, struct damos *s, unsigned long *sz_filter_passed) @@ -190,7 +202,7 @@ put_folio: applied = reclaim_pages(&folio_list); cond_resched(); s->last_applied = folio; - return applied * PAGE_SIZE / addr_unit; + return damon_pa_core_addr(applied * PAGE_SIZE, addr_unit); } static inline unsigned long damon_pa_mark_accessed_or_deactivate( _ 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_pageout-fix.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-migrate_hotcold-fix.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