From: Alexander Lobakin <alobakin@pm.me>
Date: Tue, 2 Feb 2021 13:30:54 +0000 (+0000)
Subject: mm: constify page_is_pfmemalloc() argument
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=1d7bab6a94458e959f3f55788fd50ddc7d97403b;p=linux.git

mm: constify page_is_pfmemalloc() argument

The function only tests for page->index, so its argument should be
const.

Signed-off-by: Alexander Lobakin <alobakin@pm.me>
Reviewed-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Acked-by: David Rientjes <rientjes@google.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---

diff --git a/include/linux/mm.h b/include/linux/mm.h
index ecdf8a8cd6aeb..078633d43af95 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -1584,7 +1584,7 @@ struct address_space *page_mapping_file(struct page *page);
  * ALLOC_NO_WATERMARKS and the low watermark was not
  * met implying that the system is under some pressure.
  */
-static inline bool page_is_pfmemalloc(struct page *page)
+static inline bool page_is_pfmemalloc(const struct page *page)
 {
 	/*
 	 * Page index cannot be this large so this must be