linux-kernel - Re: [PATCH v4] mm, slab: Check GFP_SLAB_BUG_MASK before alloc_pages in kmalloc

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Date:   Thu, 2 Jul 2020 18:14:52 +0100
From:   Matthew Wilcox <willy@...radead.org>
To:     Long Li <lonuxli.64@...il.com>
Cc:     cl@...ux.com, penberg@...nel.org, rientjes@...gle.com,
        iamjoonsoo.kim@....com, akpm@...ux-foundation.org,
        linux-mm@...ck.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4] mm, slab: Check GFP_SLAB_BUG_MASK before alloc_pages
 in kmalloc_order

On Thu, Jul 02, 2020 at 03:27:59PM +0000, Long Li wrote:
> ---
> changes in V4:
> -Change the check function name to kmalloc_check_flags()
> -Put the flags check into the kmalloc_check_flags() 

The point of not doing that was that this is unlikely().  With your
change there is now a function call to check something that's (extremely)
unlikely().

I take David's point that I misnamed the function.  maybe kmalloc_fix_flags()?