Re: [Xen-devel] [PATCH] memaccess: reduce include dependencies

[Jan Beulich <jbeulich@xxxxxxxx>]

On 09.03.2020 16:07, Tamas K Lengyel wrote:
> On Mon, Mar 9, 2020 at 5:49 AM Jan Beulich <jbeulich@xxxxxxxx> wrote:
>>
>> The common header doesn't itself need to include public/vm_event.h nor
>> public/memory.h. Drop their inclusion. This requires using the non-
>> typedef names in two prototypes and an inline function; by not changing
>> the callers and function definitions at the same time it'll remain
>> certain that the build would fail if the typedef itself was changed.
> 
> Just curious, what's the benefit of doing this?

Less dependencies that (almost) every CU gets, and hence statistically
less rebuilds of (almost) everything when only a rather special purpose
header file changes.

Jan

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