From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pj1-f72.google.com (mail-pj1-f72.google.com [209.85.216.72]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2A25B3F8EC9 for ; Thu, 23 Jul 2026 07:50:41 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.216.72 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784793043; cv=none; b=fZSXsxlIrIiIkDBZtjQl2LJgUDZyu3zPWEIrzwKUTJVowosj9/tmOEkkcxJXDNQ3qPWHgIqncNdzhHgSz5ZBZAfbY1l2uWAw2v4PGJt22ncKHSUgCI3j+/u5zUuIEmZRRkaGCVuxmj46Ga/fZQ3s5c+CKPXNSp4s3VTqr89ExMs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784793043; c=relaxed/simple; bh=7RTjqD7JpmF+/LkfV2OfMmPOJCsOd+f/kasdCvtxsDE=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=RsOUVBKKnKTFoBLseWrP4B1UksXHkRKPk05FXOYKrRlxjEkXtkKdfCosfxyXYCc9BBMmX8DCBjVojI8pxZjdHMjq3oCRD3MwgYZ0qqoIBdM+fg+sNG80ztVYB7MLNXt3eGxrenS6Qdxzhz0DPvnF4fhG0G4K5MsRDyvIZ1VQxxo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--jyescas.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=ffdq/FRh; arc=none smtp.client-ip=209.85.216.72 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flex--jyescas.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="ffdq/FRh" Received: by mail-pj1-f72.google.com with SMTP id 98e67ed59e1d1-38e54b6556aso494030a91.2 for ; Thu, 23 Jul 2026 00:50:41 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20251104; t=1784793041; x=1785397841; darn=vger.kernel.org; h=content-type:cc:to:from:subject:message-id:references:mime-version :in-reply-to:date:from:to:cc:subject:date:message-id:reply-to :content-type; bh=XWxJcdKUwtMW5XvZ+xp1cU8oxCOA1ugDuHmrhdptgLY=; b=ffdq/FRhVR+gI/TjRWAX5H6Bh0UVQHFDXMxTmpx5jDBThSNmRRVFlt0Tfn+HHENg6D DpQTqrcxibDWc0H11HzaVE1JEvB+2P49KyJ/4pLGt4eM/6XBH1Nk7myFuUq4r2qezZmB 5nk2ECrsRFjxoKRC7wyPGTQZ/wvNXnB+oaj4H6P/MEpg3qCDye9b4UFVADTC1lHUNjqu /SRAI2TWULKKHPrySKmPEL6+Gi/DcqI1haoWKM3AB/3XX/ARcK0IzIsiWn+ZztXtsbJ1 i8mbAVk85psBvIFzO4Wd5ukBZ8E8+QxRPduYHL8SqOKu5rEsqvzi4ELfqxhI5Im3apx9 aRCg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1784793041; x=1785397841; h=content-type:cc:to:from:subject:message-id:references:mime-version :in-reply-to:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to:content-type; bh=XWxJcdKUwtMW5XvZ+xp1cU8oxCOA1ugDuHmrhdptgLY=; b=mL78ZxK8VS2X+ym/QmqL4i+dV3b1pXJ1Ulu67gVtwz6xdEq5t5csERcrwFVWgXnqQX uG6LqJvQ/irKk+bk1ELI0TEPweMXWc4jbxRlH5e89Zba8Q7oicq3FDF3CFHdY19/CVPl Apok16Tmdkckv24mk5FJdosMrKgp9meQZhlz/7OXyim0o+1uMzv/YvvAftnK3GkyWkpC 84EvtEfzTvzjgWplS9xqQrNxKXIN70lJZDRQAM7rHhXSpzgac0FdwBIG4mygYyw+Fllt mQuDlKJX0zD8W7+3xlO4F36JvW8Hx2BEx8n5jF5qAtQSemMc/9CDaIcIIzmhk3uhq5vH RcMg== X-Forwarded-Encrypted: i=1; AHgh+RqVh2196x33zfsOkEntlwoAiMOYiVO3OKCcxvaFSuTY57fvPK+OWbdBjTyuUHbnv9K2fuAJP3Yh5WQYJE4=@vger.kernel.org X-Gm-Message-State: AOJu0YzIW5N6BaphSWQL/NtbCfVqgBaEphFLgQEP806TOghSRlZU6J5P 4wW9ApQ28ovGdOaxssWeu0LMjXXE/L4Qmcf1n9OLQYo8ZymdOWhZkpxe7AWbW+iukUsXkIJRGwt j0kj2tnT+yg== X-Received: from dled3-n2.prod.google.com ([2002:a05:701b:42c3:20b0:13c:f3ec:de14]) (user=jyescas job=prod-delivery.src-stubby-dispatcher) by 2002:a17:90b:2d10:b0:38c:a59b:5189 with SMTP id 98e67ed59e1d1-38ec698af76mr1930616a91.15.1784793041228; Thu, 23 Jul 2026 00:50:41 -0700 (PDT) Date: Thu, 23 Jul 2026 00:47:15 -0700 In-Reply-To: <20260723074854.1013941-1-jyescas@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20260723074854.1013941-1-jyescas@google.com> X-Mailer: git-send-email 2.55.0.229.g6434b31f56-goog Message-ID: <20260723074854.1013941-12-jyescas@google.com> Subject: [RFC PATCH 11/16] mm: Sets the migrate type in gfp_t flags From: Juan Yescas To: Andrew Morton , David Hildenbrand , Lorenzo Stoakes , "Liam R. Howlett" , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Michal Hocko , open list , "open list:MEMORY MANAGEMENT - CORE" Cc: jyescas@google.com, android-mm@google.com, fvdl@google.com, tkjos@google.com, minchan@google.com, dskiba@google.com, open list , "open list:MEMORY MANAGEMENT - CORE" Content-Type: text/plain; charset="UTF-8" This change sets the selected migrate type in gfp_t flags. Signed-off-by: Juan Yescas --- mm/page_alloc_hogger.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/mm/page_alloc_hogger.c b/mm/page_alloc_hogger.c index 5c00e9134a66..d91f49880f8d 100644 --- a/mm/page_alloc_hogger.c +++ b/mm/page_alloc_hogger.c @@ -156,6 +156,24 @@ inline void set_zone_to_alloc_from(int zone_idx, gfp_t *flags_ptr) } } +inline void set_migrate_type_to_alloc_from(int migrate_type, gfp_t *flags_ptr) +{ + switch (migrate_type) { + case MIGRATE_UNMOVABLE: + *flags_ptr &= ~(__GFP_RECLAIMABLE | __GFP_MOVABLE); + break; + case MIGRATE_RECLAIMABLE: + *flags_ptr |= __GFP_RECLAIMABLE; + break; + case MIGRATE_HIGHATOMIC: + *flags_ptr |= __GFP_HIGH; + break; + case MIGRATE_MOVABLE: default: + *flags_ptr |= __GFP_MOVABLE; + break; + } +} + /** * req_page_alloc_write() - Allocates the pages on the requested node, zone, * order and migrate type. Once the allocation is performed, a file is created @@ -180,6 +198,7 @@ static ssize_t req_page_alloc_write(struct file *file, const char __user *ubuf, return -ENOMEM; set_zone_to_alloc_from(req->zone_idx, &flags); + set_migrate_type_to_alloc_from(req->migrate_type, &flags); return cnt; } -- 2.55.0.229.g6434b31f56-goog