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authorJiankang Chen <chenjiankang1@huawei.com>2018-02-01 03:16:52 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2018-02-01 04:18:36 +0300
commit48128397b04679717cfd419d55ec86456b84eb61 (patch)
tree0f6093ca62805e67d1ee24804c98f879852ab57b
parent8e33771ca41245a7c7f7a3c84f5cbd6625620a89 (diff)
downloadlinux-48128397b04679717cfd419d55ec86456b84eb61.tar.xz
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@huawei.com Signed-off-by: Jiankang Chen <chenjiankang1@huawei.com> Reported-by: Hanjun Guo <guohanjun@huawei.com> Cc: Mel Gorman <mgorman@techsingularity.net> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: Yisheng Xie <xieyisheng1@huawei.com> Cc: Kefeng Wang <wangkefeng.wang@huawei.com> Cc: Michal Hocko <mhocko@suse.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--mm/page_alloc.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index a73cffe287a5..b411f97dfb25 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -4278,7 +4278,7 @@ 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);