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 D7D2A1AF0BB for ; Thu, 10 Apr 2025 02:20:01 +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=1744251601; cv=none; b=PgXXuQPuVjjelD+9X8NEQo+/7tp0Ko8oWS6FlkmOmuaOLDrfitLHYStMR8QapWQs03zcIAcr6Gw9kDhk2RUTBPAcQTZMcOwXjZoAb3BgyWHoGAOZ8ugszZMDxXqJrzh4hxZ7KEzHdsXxINxhevj8Sz3xCHjiytj3MgfWYcXRclg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744251601; c=relaxed/simple; bh=UUekSxE+tk+VwekK5jEZCtmL2RwRMomvGMlVVMnw82c=; h=Date:From:To:Cc:Subject:Message-Id:In-Reply-To:References: Mime-Version:Content-Type; b=nTSuugYUsZfCqsWsAMfNiq5jGKyImOM2cmvi1Z7TiJXt3ui+8sqIRVYXFkfqOoZa94nFcFeSLZM8GTfNU9Hy44887H5QXJmy5FxV/Lvm2Jv0MWhGcl3aGWogNH2G5TzjzjehQwTSnhmA4KZtgi/fDdsjHfFiW4mpFFPWKSz8SXI= 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=C2ZwX9AG; 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="C2ZwX9AG" Received: by smtp.kernel.org (Postfix) with ESMTPSA id DE021C4CEE2; Thu, 10 Apr 2025 02:20:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1744251601; bh=UUekSxE+tk+VwekK5jEZCtmL2RwRMomvGMlVVMnw82c=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=C2ZwX9AGrh50LpzrQVm4+LSlDAH5fOQv+fimtEKv8OCHb1+QMkUkmSDDf42tUlPzx SyzQm0+G3EcJUNb3IkqOrO0brdWKmBPWP8PVGAHYLc7gVcSlICcckHDrBwmq+1Z94g F2buw12O1+roYa5yCIamZbkLzHPY8CBsuTqKP1Sw= Date: Wed, 9 Apr 2025 19:20:00 -0700 From: Andrew Morton To: Donet Tom Cc: Greg Kroah-Hartman , linux-kernel@vger.kernel.org, David Hildenbrand , linux-mm@kvack.org, Mike Rapoport , Ritesh Harjani , rafael@kernel.org, Danilo Krummrich Subject: Re: [PATCH 1/2] mm/memblock: Added a New Memblock Function to Check if the Current Node's Memblock Region Intersects with a Memory Block Message-Id: <20250409192000.d8a630d2c10e902bcdf80973@linux-foundation.org> In-Reply-To: <50142a29010463f436dc5c4feb540e5de3bb09df.1744175097.git.donettom@linux.ibm.com> References: <50142a29010463f436dc5c4feb540e5de3bb09df.1744175097.git.donettom@linux.ibm.com> X-Mailer: Sylpheed 3.8.0beta1 (GTK+ 2.24.33; x86_64-pc-linux-gnu) 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=US-ASCII Content-Transfer-Encoding: 7bit On Wed, 9 Apr 2025 10:57:56 +0530 Donet Tom wrote: > A new function, curr_node_memblock_intersect_memory_block, has been "intersects". Because the name is too short ;) > With this function, the boot time is reduced. > > Boot time without this function - 32TB RAM > ========================================== > Startup finished in 1min 12.413s (kernel) > > Boot time with this function - 32TB RAM > ======================================== > Startup finished in 18.031s (kernel) Impressive. I'll assume this is rppt material.