linux-kernel - Re: [PATCH v2 2/5] hugetlb: Move vm_struct declaration to the top of hugetlb

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Message-ID: <ZdbBEc9d6WiCsQHl@casper.infradead.org>
Date: Thu, 22 Feb 2024 03:35:45 +0000
From: Matthew Wilcox <willy@...radead.org>
To: "Vishal Moola (Oracle)" <vishal.moola@...il.com>
Cc: linux-mm@...ck.org, linux-kernel@...r.kernel.org,
	akpm@...ux-foundation.org, muchun.song@...ux.dev
Subject: Re: [PATCH v2 2/5] hugetlb: Move vm_struct declaration to the top of
 hugetlb_fault()

On Wed, Feb 21, 2024 at 03:47:29PM -0800, Vishal Moola (Oracle) wrote:
> hugetlb_fault() currently defines a vm_struct to pass to the generic

s/vm_struct/vm_fault/ (both this line and Subject:)

> handle_userfault() function. We can move this definition to the top of
> hugetlb_fault() so that it can be used throughout the rest of the
> hugetlb fault path.
> 
> This will help cleanup a number of excess variables and function
> arguments throughout the stack. Also, since vm_fault already has space
> to store the page offset, use that instead and get rid of idx.
> 
> Signed-off-by: Vishal Moola (Oracle) <vishal.moola@...il.com>

Reviewed-by: Matthew Wilcox (Oracle) <willy@...radead.org>