The patch titled
Subject: kpageflags: detect isolated KPF_THP folios
has been added to the -mm mm-unstable branch. Its filename is
kpageflags-detect-isolated-kpf_thp-folios-v2.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/kpageflags-detect-isolated-kpf_thp-folios-v2.patch
This patch will later appear in the mm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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 via the mm-everything
branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
and is updated there every 2-3 working days
------------------------------------------------------
From: Ran Xiaokai <ran.xiaokai@xxxxxxxxxx>
Subject: kpageflags: detect isolated KPF_THP folios
Date: Mon, 8 Jul 2024 06:26:01 +0000
directly use is_zero_folio(), per David
Link: https://lkml.kernel.org/r/20240708062601.165215-1-ranxiaokai627@xxxxxxx
Signed-off-by: Ran Xiaokai <ran.xiaokai@xxxxxxxxxx>
Acked-by: David Hildenbrand <david@xxxxxxxxxx>
Cc: Andrei Vagin <avagin@xxxxxxxxxx>
Cc: Jonathan Corbet <corbet@xxxxxxx>
Cc: Muhammad Usama Anjum <usama.anjum@xxxxxxxxxxxxx>
Cc: Ryan Roberts <ryan.roberts@xxxxxxx>
Cc: Svetly Todorov <svetly.todorov@xxxxxxxxxxxx>
Cc: Vlastimil Babka <vbabka@xxxxxxx>
Cc: Zi Yan <ziy@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/proc/page.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/fs/proc/page.c~kpageflags-detect-isolated-kpf_thp-folios-v2
+++ a/fs/proc/page.c
@@ -154,7 +154,7 @@ u64 stable_page_flags(const struct page
} else if (is_huge_zero_folio(folio)) {
u |= 1 << KPF_ZERO_PAGE;
u |= 1 << KPF_THP;
- } else if (is_zero_pfn(page_to_pfn(page))) {
+ } else if (is_zero_folio(folio)) {
u |= 1 << KPF_ZERO_PAGE;
}
_
Patches currently in -mm which might be from ran.xiaokai@xxxxxxxxxx are
kpageflags-detect-isolated-kpf_thp-folios.patch
kpageflags-detect-isolated-kpf_thp-folios-v2.patch
