From: Yang Xu <xuyang2018.jy@fujitsu.com>
To: linux-man@vger.kernel.org
Cc: Yang Xu <xuyang2018.jy@fujitsu.com>
Subject: [PATCH 1/2] swapon.2: Adjust decreased value under CONFIG_MIGRATION
Date: Mon, 4 Dec 2023 07:24:30 -0500 [thread overview]
Message-ID: <20231204122431.68106-1-xuyang2018.jy@fujitsu.com> (raw)
After kernel 5.19[1], the limit is decreased by 3.
[1]https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/include/linux/swap.h?id=6c287605f
Signed-off-by: Yang Xu <xuyang2018.jy@fujitsu.com>
---
man2/swapon.2 | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/man2/swapon.2 b/man2/swapon.2
index c0e61cbc6..ee270cea1 100644
--- a/man2/swapon.2
+++ b/man2/swapon.2
@@ -164,7 +164,8 @@ Before Linux 2.4.10,
.B MAX_SWAPFILES
has the value 8;
since Linux 2.4.10, it has the value 32.
-Since Linux 2.6.18, the limit is decreased by 2 (thus: 30)
+Since Linux 2.6.18, the limit is decreased by 2 (Since Linux 5.19.0,
+the limit is decreased by 3)
if the kernel is built with the
.B CONFIG_MIGRATION
option
@@ -172,6 +173,7 @@ option
.BR mbind (2)
and
.BR migrate_pages (2)).
+
Since Linux 2.6.32, the limit is further decreased by 1
if the kernel is built with the
.B CONFIG_MEMORY_FAILURE
--
2.27.0
next reply other threads:[~2023-12-04 12:24 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-12-04 12:24 Yang Xu [this message]
2023-12-04 12:24 ` [PATCH 2/2] swapon.2: Adjust decreased value under CONFIG_PTE_MARKER Yang Xu
2023-12-04 12:29 ` [PATCH 1/2] swapon.2: Adjust decreased value under CONFIG_MIGRATION Alejandro Colomar
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