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70c9d29632
If the vmemmap array gets filled with large pages we allocate those pages with vmemmap_alloc_block(), which returns cleared pages. Only for single 4k pages we call our own vmem_alloc_pages() which does not return cleared pages. However we can also call vmemmap_alloc_block() to allocate the 4k pages. This way we can also make sure the vmemmap array is cleared after its population. Therefore we can remove the memset at the end of the function which would clear the vmmemmap array a second time on machines which do support EDAT1. On very large configurations this can save us several seconds. Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> |
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