On Mon, Feb 04, 2013 at 11:27:05AM +0100, Marek Szyprowski wrote: > 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.
So what's the end user effect? With the effect, we have to decide routing it on stable. > > 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 We don't need #ifdef/#endif. > + if (PageHighMem(page)) > + totalhigh_pages += pageblock_nr_pages; > +#endif > } > #endif > > -- > 1.7.9.5 > > -- > To unsubscribe, send a message with 'unsubscribe linux-mm' in > the body to [email protected]. For more info on Linux MM, > see: http://www.linux-mm.org/ . > Don't email: <a href=mailto:"[email protected]";> [email protected] </a> -- Kind regards, Minchan Kim -- 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/
