Re: [PATCH 2/25] NTFS: Allow highmem kmalloc() in ntfs_malloc_nofs() and add _nofail() version.

[Christoph Hellwig <hch@infradead.org>]

On Fri, Sep 09, 2005 at 07:51:23AM -0700, Roland Dreier wrote:
>     Anton> fs/ntfs/malloc.h::ntfs_malloc_nofs() to do the kmalloc()
>     Anton> based allocations with __GFP_HIGHMEM, analogous to how the
>     Anton> vmalloc() based allocations are done.
> 
> Does it make sense to pass __GFP_HIGHMEM to kmalloc()?

Not at all (as you indicated below..)

> kmalloc() has
> to return memory from lowmem, since it gives you an address from the
> direct-mapped kernel area, so at best kmalloc() ignores this flag.

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