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| author | Jiankang Chen <chenjiankang1@huawei.com> | 2018-02-01 01:16:52 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2018-02-01 02:18:36 +0100 |
| commit | 48128397b04679717cfd419d55ec86456b84eb61 (patch) | |
| tree | 0f6093ca62805e67d1ee24804c98f879852ab57b /mm/page_alloc.c | |
| parent | mm/page_owner.c: use PTR_ERR_OR_ZERO() (diff) | |
| download | linux-48128397b04679717cfd419d55ec86456b84eb61.tar.xz linux-48128397b04679717cfd419d55ec86456b84eb61.zip | |
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>
Diffstat (limited to 'mm/page_alloc.c')
| -rw-r--r-- | mm/page_alloc.c | 2 |
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); |