Re: [PATCH 2/4] mm: vrealloc: consider spare memory for __GFP_ZERO

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To: Danilo Krummrich <dakr@xxxxxxxxxx>
Subject: Re: [PATCH 2/4] mm: vrealloc: consider spare memory for __GFP_ZERO
From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Date: Tue, 30 Jul 2024 14:15:26 -0700
Cc: urezki@xxxxxxxxx, hch@xxxxxxxxxxxxx, vbabka@xxxxxxx, mhocko@xxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, linux-mm@xxxxxxxxx
In-reply-to: <20240730185049.6244-3-dakr@kernel.org>
References: <20240730185049.6244-1-dakr@kernel.org> <20240730185049.6244-3-dakr@kernel.org>

On Tue, 30 Jul 2024 20:49:42 +0200 Danilo Krummrich <dakr@xxxxxxxxxx> wrote:

> Zero spare memory when shrinking a buffer with __GFP_ZERO.

Again, why?

References:
- [PATCH 0/4] (k)vrealloc (__GFP_ZERO) fixes
  - From: Danilo Krummrich
- [PATCH 2/4] mm: vrealloc: consider spare memory for __GFP_ZERO
  - From: Danilo Krummrich

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