[PATCH 2/2] mm,memory_hotplug: print the min alignment in check_pfn_span

From: Max Gurtovoy
Date: Wed Jun 02 2021 - 04:48:11 EST


The warning only prints the start and end pfns. Add min_align to the
warning print to add more info regarding the failure.

Signed-off-by: Max Gurtovoy <mgurtovoy@xxxxxxxxxx>
---
mm/memory_hotplug.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
index 8c3b423c1141..9e86e9ee0a10 100644
--- a/mm/memory_hotplug.c
+++ b/mm/memory_hotplug.c
@@ -289,8 +289,8 @@ static int check_pfn_span(unsigned long pfn, unsigned long nr_pages,
else
min_align = PAGES_PER_SECTION;
if (!IS_ALIGNED(pfn, min_align) || !IS_ALIGNED(nr_pages, min_align)) {
- WARN(1, "Misaligned __%s_pages start: %#lx end: %#lx\n",
- reason, pfn, pfn + nr_pages - 1);
+ WARN(1, "Misaligned __%s_pages min_align: %#lx start: %#lx end: %#lx\n",
+ reason, min_align, pfn, pfn + nr_pages - 1);
return -EINVAL;
}
return 0;
--
2.18.1