On 09/28/2012 06:28 PM, Christoph Lameter wrote:

On Fri, 28 Sep 2012, Glauber Costa wrote:

quoted

There was a general sentiment in a recent discussion (See
https://lkml.org/lkml/2012/9/18/258) that the __GFP flags should be
defined unconditionally. Currently, the only offender is GFP_NOTRACK,
which is conditional to KMEMCHECK.

This simple patch makes it unconditional.

__GFP_NOTRACK is only used in context where CONFIG_KMEMCHECK is defined?

If that is not the case then you need to define GFP_NOTRACK and substitute
it where necessary.

The flag is passed around extensively, but I was imagining the whole
point of that is that having the flag itself is harmless, and will be
ignored by the page allocator ?


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