Re: [PATCH] slab: prevent warnings when allocating with__GFP_NOWARN

From: Christoph Lameter
Date: Tue Jun 11 2013 - 12:28:53 EST

On Tue, 11 Jun 2013, Eric Dumazet wrote:

> Allowing a pipe to store thousands of page refs seems quite useless and
> dangerous.
> Having to use vmalloc()/vfree() for every splice()/vmsplice() would be a
> performance loss anyway.
> (fs/splice.c splice_grow_spd() will also want to allocate big kmalloc()
> chunks)

Why is it not using the page allocator for large allocations?

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