linux-kernel - Re: [PATCH v2 1/3] mm: shmem: simplify the suitable huge orders validation for tmpfs

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Message-ID: <ceab7792-ae7a-4605-bd78-73353d71f87a@redhat.com>
Date: Thu, 25 Jul 2024 15:07:32 +0200
From: David Hildenbrand <david@...hat.com>
To: Baolin Wang <baolin.wang@...ux.alibaba.com>, akpm@...ux-foundation.org,
 hughd@...gle.com
Cc: willy@...radead.org, 21cnbao@...il.com, ryan.roberts@....com,
 ziy@...dia.com, ioworker0@...il.com, linux-mm@...ck.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 1/3] mm: shmem: simplify the suitable huge orders
 validation for tmpfs

On 13.07.24 15:24, Baolin Wang wrote:
> Move the suitable huge orders validation into shmem_suitable_orders() for
> tmpfs, which can reuse some code to simplify the logic.
> 
> In addition, we don't have special handling for the error code -E2BIG when
> checking for conflicts with PMD sized THP in the pagecache for tmpfs, instead,
> it will just fallback to order-0 allocations like this patch does, so this
> simplification will not add functional changes.
> 
> Signed-off-by: Baolin Wang <baolin.wang@...ux.alibaba.com>
> ---

Acked-by: David Hildenbrand <david@...hat.com>

-- 
Cheers,

David / dhildenb