From nobody Sat Apr 11 09:11:22 2026 Received: from stravinsky.debian.org (stravinsky.debian.org [82.195.75.108]) (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 782082E888A for ; Sat, 7 Mar 2026 16:08:47 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=82.195.75.108 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772899728; cv=none; b=qXVC4UI28OQp39ZXipXBTLnzMa3juEq+uKvIdSa5e1csf06NhXT9BhmVw5Hm+jn/qZq7MfFYpkoP4cnrqS6dbC8O9AvAN473Gl0SgDbyDzqkHWyIYmSukMjBF4yu+I+Qaw31Urm9n12EbKu7pyBwZfm2+N95fIE+M9a2oSovfzM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772899728; c=relaxed/simple; bh=nlToZmaB1n6dDw+eMzdYWKgFtlcgYp+PAKEi0NGirZY=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=stIOI91sJF5jpdPBcbMYya/mYg0h0WUVSWY/vI6p4h7kQyCs5zd9R6zigMbDdCZzZo73R4bj2kXqjUcMAfvYL7gS3hf725qnSWIZulNNoCmykD9p2KuFuq1Qylx/uVL9HKzgTIYXbv6KEdin/e+QuGCcM75GMSiO8c/dss9on0U= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=debian.org; spf=none smtp.mailfrom=debian.org; dkim=pass (2048-bit key) header.d=debian.org header.i=@debian.org header.b=eT8VmgpA; arc=none smtp.client-ip=82.195.75.108 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=debian.org Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=debian.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=debian.org header.i=@debian.org header.b="eT8VmgpA" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=debian.org; s=smtpauto.stravinsky; h=X-Debian-User:Cc:To:In-Reply-To:References: Message-Id:Content-Transfer-Encoding:Content-Type:MIME-Version:Subject:Date: From:Reply-To:Content-ID:Content-Description; bh=XWwVHwhFxPwZWzEvxtvZzmQI5X0pdoxE0LNq0dsk950=; b=eT8VmgpA4tPqQycYOYqOZCmKTg xvFkQUi/k68fZ9amprgPmd2KagoVRiso3gqcaX0K5MUzHJVbHsF0d1cj4Mu7lEWsPgwnjmw4AFNu4 C/JJZSkv8KzCfQwQGfrI5+odHMLXM7RtSlj9rW4B+7lPwbGo3x9MxrSq3rnEDGTfiu33/qhp8/R82 1U5G/QETEPtbdbtBnJmUYdcwdru2qIuEKZWWc6Zkd2tVTAptQWGcMqZYXOoalxmTppRrh5h5W/weW d6B5kfNFVUoyWBYqoRUNzMS+CA+tJcxd3vKSaiq22GOowlcDW12NGFMlCDclCnmU7hgCmjHcaof47 tqUl9I0w==; Received: from authenticated user by stravinsky.debian.org with esmtpsa (TLS1.3:ECDHE_X25519__RSA_PSS_RSAE_SHA256__AES_256_GCM:256) (Exim 4.94.2) (envelope-from ) id 1vyuCj-000nEa-ID; Sat, 07 Mar 2026 16:08:37 +0000 From: Breno Leitao Date: Sat, 07 Mar 2026 08:08:05 -0800 Subject: [PATCH v3 1/4] mm: khugepaged: export set_recommended_min_free_kbytes() Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260307-thp_logs-v3-1-a45d2c8f3685@debian.org> References: <20260307-thp_logs-v3-0-a45d2c8f3685@debian.org> In-Reply-To: <20260307-thp_logs-v3-0-a45d2c8f3685@debian.org> To: Andrew Morton , David Hildenbrand , Lorenzo Stoakes , Zi Yan , Baolin Wang , "Liam R. Howlett" , Nico Pache , Ryan Roberts , Dev Jain , Barry Song , Lance Yang , Vlastimil Babka , Suren Baghdasaryan , Michal Hocko , Brendan Jackman , Johannes Weiner , Mike Rapoport Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, usamaarif642@gmail.com, kas@kernel.org, kernel-team@meta.com, "Lorenzo Stoakes (Oracle)" , Breno Leitao X-Mailer: b4 0.15-dev-363b9 X-Developer-Signature: v=1; a=openpgp-sha256; l=1306; i=leitao@debian.org; h=from:subject:message-id; bh=nlToZmaB1n6dDw+eMzdYWKgFtlcgYp+PAKEi0NGirZY=; b=owEBbQKS/ZANAwAIATWjk5/8eHdtAcsmYgBprE14+evRyvdKxaDGyxMGTTyJb0VRMtiwTvLeJ dIz7YpRrCKJAjMEAAEIAB0WIQSshTmm6PRnAspKQ5s1o5Of/Hh3bQUCaaxNeAAKCRA1o5Of/Hh3 bXiED/kBAQZNjkicewFQbE4GK0Mp6mmXS/Bii4ayWO98XHh1pYI+T88J2dgXy99YxBYuXemKaiX EcBjcAB8U05WNsV/P0RzS6JDdgXNE+xYvwRcdRumXJ/+Vbp00T9Q5kdtjphg+vuVp1vBHuVS0rk E8+CHhTDCIXrN15GMTWp1oCEKKc4uvA4s7dvxM/8BBwBN247Yr9I80jBxTIHRf+k2r9Zu3mo621 IH2AXs39IPTFIfSDdX/nM1jkdMnG/4hJWudzUSm2HshLuh8DG7DjezLe79WKENgTqTGfT3FEBPK pVCWmCZ9bHAIaoea/3gb8YfLOBEc4wcu9ln3bF/jkteEBKl0YGTmwJGK/iZ67MD6BIDvNAj3ZrK i5gaJPrWuYgfw9+3yBA6+GpGGUIngORxZ837/Es6y8N4Ugp8wukzn1U4LMXlKtCGBuIbl4fC4M0 4e3sOlr1Xyftcoj3WEy4zvHFgSSsGkm1x6fsjLrEuzIrSroCaQ1f+hLz/xFA5iawD05WZ76AWpG WK0csuGO3E0dN3fVnlOIFftTcWnaZnJK/QysXPU7sH34cZkTcskclBKmkC9LqY+fd1hWQSDL2mm nB7SUnoj1G7iIQzA8i9IXIabI1prKjg7ksu1cH+uzH5Sb5O8GARo7xdkffc+ikJE+g2sL6DDWsA ieq/WfkLvyv5YXg== X-Developer-Key: i=leitao@debian.org; a=openpgp; fpr=AC8539A6E8F46702CA4A439B35A3939FFC78776D X-Debian-User: leitao Make set_recommended_min_free_kbytes() callable from outside khugepaged.c by removing the static qualifier and adding a declaration in mm/internal.h. This allows callers that change THP settings to recalculate watermarks without going through start_stop_khugepaged(). Suggested-by: Lorenzo Stoakes (Oracle) Signed-off-by: Breno Leitao Reviewed-by: Lorenzo Stoakes (Oracle) --- mm/internal.h | 5 +++++ mm/khugepaged.c | 2 +- 2 files changed, 6 insertions(+), 1 deletion(-) diff --git a/mm/internal.h b/mm/internal.h index cb0af847d7d99..7bd768e367793 100644 --- a/mm/internal.h +++ b/mm/internal.h @@ -623,6 +623,11 @@ int user_proactive_reclaim(char *buf, */ pmd_t *mm_find_pmd(struct mm_struct *mm, unsigned long address); =20 +/* + * in mm/khugepaged.c + */ +void set_recommended_min_free_kbytes(void); + /* * in mm/page_alloc.c */ diff --git a/mm/khugepaged.c b/mm/khugepaged.c index 1dd3cfca610db..56a41c21b44c9 100644 --- a/mm/khugepaged.c +++ b/mm/khugepaged.c @@ -2630,7 +2630,7 @@ static int khugepaged(void *none) return 0; } =20 -static void set_recommended_min_free_kbytes(void) +void set_recommended_min_free_kbytes(void) { struct zone *zone; int nr_zones =3D 0; --=20 2.47.3