linux-kernel - 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

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Message-Id: <20250409192000.d8a630d2c10e902bcdf80973@linux-foundation.org>
Date: Wed, 9 Apr 2025 19:20:00 -0700
From: Andrew Morton <akpm@...ux-foundation.org>
To: Donet Tom <donettom@...ux.ibm.com>
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
 linux-kernel@...r.kernel.org, David Hildenbrand <david@...hat.com>,
 linux-mm@...ck.org, Mike Rapoport <rppt@...nel.org>, Ritesh Harjani
 <ritesh.list@...il.com>, rafael@...nel.org, Danilo Krummrich
 <dakr@...nel.org>
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

On Wed,  9 Apr 2025 10:57:56 +0530 Donet Tom <donettom@...ux.ibm.com> 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.