Re: [RFC][PATCH 2/8] Create emergency trigger

[Matthew Dobson <colpatch@us.ibm.com>]

Paul Jackson wrote:
>>@@ -876,6 +879,16 @@ __alloc_pages(gfp_t gfp_mask, unsigned i
>> 	int can_try_harder;
>> 	int did_some_progress;
>> 
>>+	if (is_emergency_alloc(gfp_mask)) {
> 
> 
> Can this check for is_emergency_alloc be moved lower in __alloc_pages?
> 
> I don't see any reason why most __alloc_pages() calls, that succeed
> easily in the first loop over the zonelist, have to make this check.
> This would save one conditional test and jump on the most heavily
> used code path in __alloc_pages().

Good point, Paul.  Will make sure that gets moved.

Thanks!

-Matt
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