[ARM-MM initialisation]free_highpages() taking more time....

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Dear All
I am facing an issue during bootup of the android JB device.

During my analysis, i came to know that it is taking 3sec time in freeing the high memory pages, while other devices are taking almost no time.

the code is in arch/arm/mm/init.c , free_highpages().

We have almost 1456MB of memory for HIGHMEM and during freeing all the pages, it is taking this much time.

Now my question is,
1) free_area() function has anything to do with the hardware? Like DDR frequency settings etc..,
2) Is this because of software problem..?


I am kind of struck here, since this part of the code is right in mm-core, any pointers in resolving the issue is highly appreciated..


--
With regards,
Sandeep Kumar Anantapalli,
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