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

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Message-ID: <aLW8u1Lvlcp5Y3tc@MiWiFi-R3L-srv>
Date: Mon, 1 Sep 2025 23:33:15 +0800
From: Baoquan He <bhe@...hat.com>
To: Uladzislau Rezki <urezki@...il.com>
Cc: 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 09/01/25 at 12:23pm, Uladzislau Rezki wrote:
> 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.

I got it now, thanks a lot.