From: Jiankang Chen <chenjiankang1@xxxxxxxxxx> Subject: mm/page_alloc.c: fix comment in __get_free_pages() __get_free_pages() will return a virtual address, but it is not just a 32-bit address, for example on a 64-bit system. And this comment really confuses new readers of mm. Link: http://lkml.kernel.org/r/1511780964-64864-1-git-send-email-chenjiankang1@xxxxxxxxxx Signed-off-by: Jiankang Chen <chenjiankang1@xxxxxxxxxx> Reported-by: Hanjun Guo <guohanjun@xxxxxxxxxx> Cc: Mel Gorman <mgorman@xxxxxxxxxxxxxxxxxxx> Cc: Johannes Weiner <hannes@xxxxxxxxxxx> Cc: Yisheng Xie <xieyisheng1@xxxxxxxxxx> Cc: Kefeng Wang <wangkefeng.wang@xxxxxxxxxx> Cc: Michal Hocko <mhocko@xxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/page_alloc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff -puN mm/page_alloc.c~mm-page_alloc-fix-comment-is-__get_free_pages mm/page_alloc.c --- a/mm/page_alloc.c~mm-page_alloc-fix-comment-is-__get_free_pages +++ a/mm/page_alloc.c @@ -4278,7 +4278,7 @@ unsigned long __get_free_pages(gfp_t gfp struct page *page; /* - * __get_free_pages() returns a 32-bit address, which cannot represent + * __get_free_pages() returns a virtual address, which cannot represent * a highmem page */ VM_BUG_ON((gfp_mask & __GFP_HIGHMEM) != 0); _ -- To unsubscribe from this list: send the line "unsubscribe mm-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
