Re: [PATCH v3 2/2] mm: mmap: add trace point of vm_unmapped_area

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To: Matthew Wilcox <willy@xxxxxxxxxxxxx>
Subject: Re: [PATCH v3 2/2] mm: mmap: add trace point of vm_unmapped_area
From: "Kirill A. Shutemov" <kirill@xxxxxxxxxxxxx>
Date: Mon, 30 Mar 2020 19:33:32 +0300
Cc: Jaewon Kim <jaewon31.kim@xxxxxxxxxxx>, walken@xxxxxxxxxx, bp@xxxxxxx, akpm@xxxxxxxxxxxxxxxxxxxx, srostedt@xxxxxxxxxx, linux-mm@xxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, jaewon31.kim@xxxxxxxxx
In-reply-to: <20200329160858.GV22483@bombadil.infradead.org>
References: <20200320055823.27089-1-jaewon31.kim@samsung.com> <CGME20200320055839epcas1p189100549687530619d8a19919e8b5de0@epcas1p1.samsung.com> <20200320055823.27089-3-jaewon31.kim@samsung.com> <20200329160858.GV22483@bombadil.infradead.org>

On Sun, Mar 29, 2020 at 09:08:58AM -0700, Matthew Wilcox wrote:
> On Fri, Mar 20, 2020 at 02:58:23PM +0900, Jaewon Kim wrote:
> > +	TP_printk("addr=%lx err=%ld total_vm=0x%lx flags=0x%lx len=0x%lx lo=0x%lx hi=0x%lx mask=0x%lx ofs=0x%lx\n",
> 
> Shouldn't addr be printed as 0x%lx?

%#lx should do the trick.

-- 
 Kirill A. Shutemov

References:
- [PATCH v3 0/2] mm: mmap: add mmap trace point
  - From: Jaewon Kim
- [PATCH v3 2/2] mm: mmap: add trace point of vm_unmapped_area
  - From: Jaewon Kim
- Re: [PATCH v3 2/2] mm: mmap: add trace point of vm_unmapped_area
  - From: Matthew Wilcox

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