Re: [PATCH] mm: remove global locks from mm/highmem.c

[Hugh Dickins]

On Mon, 29 Jan 2007, Ingo Molnar wrote:
> 
> For every 64-bit Fedora box there's more than seven 32-bit boxes. I 
> think 32-bit is going to live with us far longer than many thought, so 
> we might as well make it work better. Both HIGHMEM and HIGHPTE is the 
> default on many distro kernels, which pushes the kmap infrastructure 
> quite a bit.

But HIGHPTE uses kmap_atomic (in mainline: does -rt use kmap there?)

Hugh
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