The patch titled
Subject: mm/page_alloc.c: modify the comment section for alloc_contig_pages()
has been added to the -mm tree. Its filename is
mm-page_alloc-modify-the-comment-section-for-alloc_contig_pages.patch
This patch should soon appear at
https://ozlabs.org/~akpm/mmots/broken-out/mm-page_alloc-modify-the-comment-section-for-alloc_contig_pages.patch
and later at
https://ozlabs.org/~akpm/mmotm/broken-out/mm-page_alloc-modify-the-comment-section-for-alloc_contig_pages.patch
Before you just go and hit "reply", please:
a) Consider who else should be cc'ed
b) Prefer to cc a suitable mailing list as well
c) Ideally: find the original patch on the mailing list and do a
reply-to-all to that, adding suitable additional cc's
*** Remember to use Documentation/process/submit-checklist.rst when testing your code ***
The -mm tree is included into linux-next and is updated
there every 3-4 working days
------------------------------------------------------
From: Anshuman Khandual <anshuman.khandual@xxxxxxx>
Subject: mm/page_alloc.c: modify the comment section for alloc_contig_pages()
Clarify that the alloc_contig_pages() allocated range will always be
aligned to the requested nr_pages.
Link: https://lkml.kernel.org/r/1639545478-12160-1-git-send-email-anshuman.khandual@xxxxxxx
Signed-off-by: Anshuman Khandual <anshuman.khandual@xxxxxxx>
Cc: David Hildenbrand <david@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/page_alloc.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- a/mm/page_alloc.c~mm-page_alloc-modify-the-comment-section-for-alloc_contig_pages
+++ a/mm/page_alloc.c
@@ -9264,8 +9264,8 @@ static bool zone_spans_last_pfn(const st
* 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.
_
Patches currently in -mm which might be from anshuman.khandual@xxxxxxx are
mm-page_alloc-modify-the-comment-section-for-alloc_contig_pages.patch
