align-crash_notes-allocation-to-make-it-be-inside-one-physical-page-fix

use correct comment layout

Cc: Baoquan He <bhe@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

1 files changed, 8 insertions, 4 deletions

diff --git a/kernel/kexec_core.c b/kernel/kexec_core.c
index 6788ed3cf12e..322dd5579f59 100644
--- a/kernel/kexec_core.c
+++ b/kernel/kexec_core.c
@@ -1006,19 +1006,23 @@ static int __init crash_notes_memory_init(void)
 	/* Allocate memory for saving cpu registers. */
 	size_t size, align;
 
-	/* crash_notes could be allocated across 2 vmalloc pages when percpu
+	/*
+	 * crash_notes could be allocated across 2 vmalloc pages when percpu
 	 * is vmalloc based . vmalloc doesn't guarantee 2 continuous vmalloc
 	 * pages are also on 2 continuous physical pages. In this case the
 	 * 2nd part of crash_notes in 2nd page could be lost since only the
 	 * starting address and size of crash_notes are exported through sysfs.
 	 * Here round up the size of crash_notes to the nearest power of two
 	 * and pass it to __alloc_percpu as align value. This can make sure
-	 * crash_notes is allocated inside one physical page. */
+	 * crash_notes is allocated inside one physical page.
+	 */
 	size = sizeof(note_buf_t);
 	align = min(roundup_pow_of_two(sizeof(note_buf_t)), PAGE_SIZE);
 
-	/* Break compile if size is bigger than PAGE_SIZE since crash_notes
-	 * definitely will be in 2 pages with that. */
+	/*
+	 * Break compile if size is bigger than PAGE_SIZE since crash_notes
+	 * definitely will be in 2 pages with that.
+	 */
 	BUILD_BUG_ON(size > PAGE_SIZE);
 
 	crash_notes = __alloc_percpu(size, align);