The total number of low memory pages is determined as totalram_pages - totalhigh_pages, so without this patch all CMA pageblocks placed in highmem were accounted to low memory.
Signed-off-by: Marek Szyprowski <[email protected]> --- mm/page_alloc.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/mm/page_alloc.c b/mm/page_alloc.c index f5bab0a..6415d93 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -773,6 +773,10 @@ void __init init_cma_reserved_pageblock(struct page *page) set_pageblock_migratetype(page, MIGRATE_CMA); __free_pages(page, pageblock_order); totalram_pages += pageblock_nr_pages; +#ifdef CONFIG_HIGHMEM + if (PageHighMem(page)) + totalhigh_pages += pageblock_nr_pages; +#endif } #endif -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
