Re: [PATCH v1] mm:free unused pages in kmalloc_order

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To: Matthew Wilcox <willy@xxxxxxxxxxxxx>
Subject: Re: [PATCH v1] mm:free unused pages in kmalloc_order
From: Christopher Lameter <cl@xxxxxxxxx>
Date: Mon, 29 Jun 2020 14:49:28 +0000 (UTC)
Cc: Long Li <lonuxli.64@xxxxxxxxx>, penberg@xxxxxxxxxx, rientjes@xxxxxxxxxx, iamjoonsoo.kim@xxxxxxx, akpm@xxxxxxxxxxxxxxxxxxxx, linux-mm@xxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx
In-reply-to: <20200629024253.GB25523@casper.infradead.org>
References: <20200627045507.GA57675@lilong> <20200629024253.GB25523@casper.infradead.org>
User-agent: Alpine 2.22 (DEB 394 2020-01-19)

On Mon, 29 Jun 2020, Matthew Wilcox wrote:

> Slab used to disallow GFP_HIGHMEM allocations earlier than this,

It is still not allowed and not supported.

References:
- [PATCH v1] mm:free unused pages in kmalloc_order
  - From: Long Li
- Re: [PATCH v1] mm:free unused pages in kmalloc_order
  - From: Matthew Wilcox

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