[104/262] mm/page_alloc.c: simplify the code by using macro K()

Commit Message

Andrew Morton Nov. 5, 2021, 8:40 p.m. UTC

From: Miaohe Lin <[e-mail]>
Subject: mm/page_alloc.c: simplify the code by using macro K()

Use helper macro K() to convert the pages to the corresponding size. 
Minor readability improvement.

Link: https://lkml.kernel.org/r/[e-mail]
Signed-off-by: Miaohe Lin <[e-mail]>
Acked-by: Mel Gorman <[e-mail]>
Reviewed-by: David Hildenbrand <[e-mail]>
Cc: Peter Zijlstra <[e-mail]>
Cc: Stephen Rothwell <[e-mail]>
Cc: Vlastimil Babka <[e-mail]>
Signed-off-by: Andrew Morton <[e-mail]>
---

 mm/page_alloc.c |   12 +++++-------
 1 file changed, 5 insertions(+), 7 deletions(-)

Patch

--- a/mm/page_alloc.c~mm-page_allocc-simplify-the-code-by-using-macro-k
+++ a/mm/page_alloc.c
@@ -8130,8 +8130,7 @@  unsigned long free_reserved_area(void *s
 	}
 
 	if (pages && s)
-		pr_info("Freeing %s memory: %ldK\n",
-			s, pages << (PAGE_SHIFT - 10));
+		pr_info("Freeing %s memory: %ldK\n", s, K(pages));
 
 	return pages;
 }
@@ -8176,14 +8175,13 @@  void __init mem_init_print_info(void)
 		", %luK highmem"
 #endif
 		")\n",
-		nr_free_pages() << (PAGE_SHIFT - 10),
-		physpages << (PAGE_SHIFT - 10),
+		K(nr_free_pages()), K(physpages),
 		codesize >> 10, datasize >> 10, rosize >> 10,
 		(init_data_size + init_code_size) >> 10, bss_size >> 10,
-		(physpages - totalram_pages() - totalcma_pages) << (PAGE_SHIFT - 10),
-		totalcma_pages << (PAGE_SHIFT - 10)
+		K(physpages - totalram_pages() - totalcma_pages),
+		K(totalcma_pages)
 #ifdef	CONFIG_HIGHMEM
-		, totalhigh_pages() << (PAGE_SHIFT - 10)
+		, K(totalhigh_pages())
 #endif
 		);
 }