From: Zi Yan <zi.yan@sent.com>
To: David Hildenbrand <david@redhat.com>, linux-mm@kvack.org
Cc: Matthew Wilcox <willy@infradead.org>,
Vlastimil Babka <vbabka@suse.cz>,
"Kirill A . Shutemov" <kirill.shutemov@linux.intel.com>,
Mike Kravetz <mike.kravetz@oracle.com>,
Michal Hocko <mhocko@kernel.org>,
John Hubbard <jhubbard@nvidia.com>,
linux-kernel@vger.kernel.org, Zi Yan <ziy@nvidia.com>,
Mike Rapoport <rppt@kernel.org>,
Oscar Salvador <osalvador@suse.de>,
Ying Chen <chenying.kernel@bytedance.com>,
Feng Zhou <zhoufeng.zf@bytedance.com>,
linux-fsdevel@vger.kernel.org
Subject: [RFC PATCH 08/15] fs: proc: use PAGES_PER_SECTION for page offline checking period.
Date: Thu, 5 Aug 2021 15:02:46 -0400 [thread overview]
Message-ID: <20210805190253.2795604-9-zi.yan@sent.com> (raw)
In-Reply-To: <20210805190253.2795604-1-zi.yan@sent.com>
From: Zi Yan <ziy@nvidia.com>
It keeps the existing behavior after MAX_ORDER is increased beyond
a section size.
Signed-off-by: Zi Yan <ziy@nvidia.com>
Cc: Mike Rapoport <rppt@kernel.org>
Cc: David Hildenbrand <david@redhat.com>
Cc: Oscar Salvador <osalvador@suse.de>
Cc: Ying Chen <chenying.kernel@bytedance.com>
Cc: Feng Zhou <zhoufeng.zf@bytedance.com>
Cc: linux-fsdevel@vger.kernel.org
Cc: linux-mm@kvack.org
Cc: linux-kernel@vger.kernel.org
---
fs/proc/kcore.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/proc/kcore.c b/fs/proc/kcore.c
index 3f148759a5fd..77b7ba48fb44 100644
--- a/fs/proc/kcore.c
+++ b/fs/proc/kcore.c
@@ -486,7 +486,7 @@ read_kcore(struct file *file, char __user *buffer, size_t buflen, loff_t *fpos)
}
}
- if (page_offline_frozen++ % MAX_ORDER_NR_PAGES == 0) {
+ if (page_offline_frozen++ % PAGES_PER_SECTION == 0) {
page_offline_thaw();
cond_resched();
page_offline_freeze();
--
2.30.2
next prev parent reply other threads:[~2021-08-05 19:04 UTC|newest]
Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-05 19:02 [RFC PATCH 00/15] Make MAX_ORDER adjustable as a kernel boot time parameter Zi Yan
2021-08-05 19:02 ` [RFC PATCH 01/15] arch: x86: remove MAX_ORDER exceeding SECTION_SIZE check for 32bit vdso Zi Yan
2021-08-05 19:02 ` [RFC PATCH 02/15] arch: mm: rename FORCE_MAX_ZONEORDER to ARCH_FORCE_MAX_ORDER Zi Yan
2021-08-05 19:02 ` [RFC PATCH 03/15] mm: check pfn validity when buddy allocator can merge pages across mem sections Zi Yan
2021-08-05 19:02 ` [RFC PATCH 04/15] mm: prevent pageblock size being larger than section size Zi Yan
2021-08-05 19:02 ` [RFC PATCH 05/15] mm/memory_hotplug: online pages at " Zi Yan
2021-08-05 19:02 ` [RFC PATCH 06/15] mm: use PAGES_PER_SECTION instead for mem_map_offset/next() Zi Yan
2021-08-05 19:02 ` [RFC PATCH 07/15] mm: hugetlb: use PAGES_PER_SECTION to check mem_map discontiguity Zi Yan
2021-08-05 19:02 ` Zi Yan [this message]
2021-08-07 10:32 ` [RFC PATCH 08/15] fs: proc: use PAGES_PER_SECTION for page offline checking period Mike Rapoport
2021-08-09 15:45 ` [RFC PATCH 08/15] " Zi Yan
2021-08-05 19:02 ` [RFC PATCH 09/15] virtio: virtio_mem: use PAGES_PER_SECTION instead of MAX_ORDER_NR_PAGES Zi Yan
2021-08-09 7:35 ` David Hildenbrand
2021-08-05 19:02 ` [RFC PATCH 10/15] virtio: virtio_balloon: " Zi Yan
2021-08-09 7:42 ` David Hildenbrand
2021-08-05 19:02 ` [RFC PATCH 11/15] mm/page_reporting: report pages at section size instead of MAX_ORDER Zi Yan
2021-08-09 7:25 ` David Hildenbrand
2021-08-09 14:12 ` Alexander Duyck
2021-08-09 15:08 ` Zi Yan
2021-08-09 16:51 ` Alexander Duyck
2021-08-09 14:08 ` Alexander Duyck
2021-08-05 19:02 ` [RFC PATCH 12/15] mm: Make MAX_ORDER of buddy allocator configurable via Kconfig SET_MAX_ORDER Zi Yan
2021-08-06 15:16 ` Vlastimil Babka
2021-08-06 15:23 ` Zi Yan
2021-08-05 19:02 ` [RFC PATCH 13/15] mm: convert MAX_ORDER sized static arrays to dynamic ones Zi Yan
2021-08-05 19:16 ` Christian König
2021-08-05 19:58 ` Zi Yan
2021-08-06 9:37 ` Christian König
2021-08-06 14:00 ` Zi Yan
2021-08-05 19:02 ` [RFC PATCH 14/15] mm: introduce MIN_MAX_ORDER to replace MAX_ORDER as compile time constant Zi Yan
2021-08-08 8:23 ` Mike Rapoport
2021-08-09 15:35 ` Zi Yan
2021-08-05 19:02 ` [RFC PATCH 15/15] mm: make MAX_ORDER a kernel boot time parameter Zi Yan
2021-08-06 15:36 ` [RFC PATCH 00/15] Make MAX_ORDER adjustable as " Vlastimil Babka
2021-08-06 16:16 ` David Hildenbrand
2021-08-06 16:54 ` Vlastimil Babka
2021-08-06 17:08 ` David Hildenbrand
2021-08-06 18:24 ` Zi Yan
2021-08-09 7:20 ` David Hildenbrand
2021-08-08 7:41 ` Mike Rapoport
2021-08-06 16:32 ` Vlastimil Babka
2021-08-06 17:19 ` Zi Yan
2021-08-06 20:27 ` Hugh Dickins
2021-08-06 21:26 ` Zi Yan
2021-08-09 4:04 ` Hugh Dickins
2021-08-07 1:10 ` Matthew Wilcox
2021-08-07 21:23 ` Matthew Wilcox
2021-08-09 4:29 ` Hugh Dickins
2021-08-09 11:22 ` Matthew Wilcox
2021-08-09 7:41 ` David Hildenbrand
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