linux-kernel - Re: [PATCH] mm/vmalloc, mm/kasan: respect gfp mask in kasan_populate

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Message-ID: <aLV0JrSPfitu1jFV@pc638.lan>
Date: Mon, 1 Sep 2025 12:23:34 +0200
From: Uladzislau Rezki <urezki@...il.com>
To: Baoquan He <bhe@...hat.com>
Cc: "Uladzislau Rezki (Sony)" <urezki@...il.com>, linux-mm@...ck.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	Michal Hocko <mhocko@...nel.org>,
	LKML <linux-kernel@...r.kernel.org>, stable@...r.kernel.org
Subject: Re: [PATCH] mm/vmalloc, mm/kasan: respect gfp mask in
 kasan_populate_vmalloc()

On Mon, Sep 01, 2025 at 06:16:41PM +0800, Baoquan He wrote:
> Hi Uladzislau,
> 
> On 08/31/25 at 02:10pm, Uladzislau Rezki (Sony) wrote:
> > kasan_populate_vmalloc() and its helpers ignore the caller's gfp_mask
> > and always allocate memory using the hardcoded GFP_KERNEL flag. This
> > makes them inconsistent with vmalloc(), which was recently extended to
> > support GFP_NOFS and GFP_NOIO allocations.
> 
> Is this patch on top of your patchset "[PATCH 0/8] __vmalloc() and no-block
> support"? Or it is a replacement of "[PATCH 5/8] mm/kasan, mm/vmalloc: Respect
> GFP flags in kasan_populate_vmalloc()" in the patchset?
> 
> I may not get their relationship clearly.
> 
It is out of series which i posted to support no-block for vmalloc. 
I will base a new version based on this patch because it is rather
a fix.

It is to address and complete GFP_NOFS/GFP_NOIO flags for vmalloc.

--
Uladzislau Rezki