From: Jiankang Chen <[email protected]> __get_free_pages will return an 64bit address in 64bit System like arm64 or x86_64. And this comment really confuse new bigenner of mm.
Signed-off-by: Jiankang Chen <[email protected]> --- mm/page_alloc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 77e4d3c..5a7c432 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -4240,7 +4240,7 @@ unsigned long __get_free_pages(gfp_t gfp_mask, unsigned int order) 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); -- 1.7.12.4
