Don't use with __GFP_HIGHMEM because page_address() cannot represent highmem pages without kmap(). Newly allocated pages would leak as page_address() will return NULL for highmem pages here. But It works now because the only caller does not specify __GFP_HIGHMEM now. Signed-off-by: Miaohe Lin <linmiaohe@xxxxxxxxxx> --- 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 d87b7e6e9e6b..858fd45ecaea 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -5639,7 +5639,7 @@ void * __meminit alloc_pages_exact_nid(int nid, size_t size, gfp_t gfp_mask) if (WARN_ON_ONCE(gfp_mask & __GFP_COMP)) gfp_mask &= ~__GFP_COMP; - p = alloc_pages_node(nid, gfp_mask, order); + p = alloc_pages_node(nid, gfp_mask & ~__GFP_HIGHMEM, order); if (!p) return NULL; return make_alloc_exact((unsigned long)page_address(p), order, size); -- 2.23.0
