[lkml]   [2021]   [Dec]   [15]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
Patch in this message
Subject[PATCH] mm/page_alloc: Modify the comment section for alloc_contig_pages()
Just clarify, that the alloc_contig_pages() allocated range will always be
aligned to the requested nr_pages.

Cc: Andrew Morton <>
Signed-off-by: Anshuman Khandual <>
mm/page_alloc.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index c5952749ad40..0d74ea524dd4 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -9214,8 +9214,8 @@ static bool zone_spans_last_pfn(const struct zone *zone,
* for allocation requests which can not be fulfilled with the buddy allocator.
* The allocated memory is always aligned to a page boundary. If nr_pages is a
- * power of two then the alignment is guaranteed to be to the given nr_pages
- * (e.g. 1GB request would be aligned to 1GB).
+ * power of two, then allocated range is also guaranteed to be aligned to same
+ * nr_pages (e.g. 1GB request would be aligned to 1GB).
* Allocated pages can be freed with free_contig_range() or by manually calling
* __free_page() on each allocated page.
 \ /
  Last update: 2021-12-15 06:18    [W:0.052 / U:2.780 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site