Messages in this thread | | | Date | Wed, 11 Nov 2009 11:05:38 -0800 | From | Yinghai Lu <> | Subject | Re: [PATCH] x86: make sure wakeup code is below 1M -v2 |
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ykzhao wrote: > On Wed, 2009-11-11 at 10:27 +0800, Yinghai Lu wrote: >> try to find_e820_area/reserve_early, and call acpi_reserve_memory early >> >> to get area is below 1M >> >> -v2: change function name to acpi_reserve_wakeup_memory according to Rafael > It seems that the function of find_e820_area is called in several > places. > >Initmem_init: bootmap = find_e820_area(0, end_pfn<<PAGE_SHIFT, > bootmap_size, PAGE_SIZE); > > If we also call it in the acpi_reserve_wakeup_memory, do we get the same > base address as that obtained in initmem_init?
no. find_e820_area will check the reserve res array that could be updated by reserve_early.
YH
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