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Message-Id: <1228990086.332.15.camel@pc1117.cambridge.arm.com>
Date: Thu, 11 Dec 2008 10:08:06 +0000
From: Catalin Marinas <catalin.marinas@....com>
To: Dave Hansen <dave@...ux.vnet.ibm.com>
Cc: linux-kernel@...r.kernel.org
Subject: Re: [PATCH 07/15] kmemleak: Add memleak_alloc callback from
alloc_large_system_hash
On Thu, 2008-12-11 at 09:50 +0000, Catalin Marinas wrote:
> On Wed, 2008-12-10 at 11:04 -0800, Dave Hansen wrote:
> > On Wed, 2008-12-10 at 18:27 +0000, Catalin Marinas wrote:
> > >
> > > @@ -4570,6 +4571,8 @@ void *__init alloc_large_system_hash(const char *tablename,
> > > if (_hash_mask)
> > > *_hash_mask = (1 << log2qty) - 1;
> > >
> > > + memleak_alloc(table, size, 1, GFP_ATOMIC);
> > > +
> > > return table;
> > > }
> >
> > Why is this sucker GFP_ATOMIC?
>
> It could be GFP_KERNEL, it don't think it really matter at this point.
Actually, for consistency is should be GFP_ATOMIC even if the flag might
not be used. All the other allocations in this function (vmalloc,
__get_free_pages) use GFP_ATOMIC.
--
Catalin
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