linux-kernel - [PATCH v2] sysctl: clean up nr_pdflush

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Message-Id: <20181129150817.24443-1-aquini@redhat.com>
Date:   Thu, 29 Nov 2018 10:08:17 -0500
From:   Rafael Aquini <aquini@...hat.com>
To:     linux-kernel@...r.kernel.org
Cc:     gregkh@...uxfoundation.org, davem@...emloft.net, virgile@...eis.fr,
        linux-mm@...ck.org, william.kucharski@...cle.com
Subject: [PATCH v2] sysctl: clean up nr_pdflush_threads leftover

nr_pdflush_threads has been long deprecated and
removed, but a remnant of its glorious past is
still around in CTL_VM names enum. This patch
is a minor clean-up to that case.

Reviewed-by: William Kucharski <william.kucharski@...cle.com>
Signed-off-by: Rafael Aquini <aquini@...hat.com>
---
v2:
 - adjust typo "was;" for VM_UNUSED2 comment       [wkucharski]
 - add colon after "int" for VM_UNUSED15 comment   [wkucharski]

 include/uapi/linux/sysctl.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/uapi/linux/sysctl.h b/include/uapi/linux/sysctl.h
index d71013fffaf6..9df59925ed55 100644
--- a/include/uapi/linux/sysctl.h
+++ b/include/uapi/linux/sysctl.h
@@ -161,7 +161,7 @@ enum
 enum
 {
 	VM_UNUSED1=1,		/* was: struct: Set vm swapping control */
-	VM_UNUSED2=2,		/* was; int: Linear or sqrt() swapout for hogs */
+	VM_UNUSED2=2,		/* was: int: Linear or sqrt() swapout for hogs */
 	VM_UNUSED3=3,		/* was: struct: Set free page thresholds */
 	VM_UNUSED4=4,		/* Spare */
 	VM_OVERCOMMIT_MEMORY=5,	/* Turn off the virtual memory safety limit */
@@ -174,7 +174,7 @@ enum
 	VM_DIRTY_RATIO=12,	/* dirty_ratio */
 	VM_DIRTY_WB_CS=13,	/* dirty_writeback_centisecs */
 	VM_DIRTY_EXPIRE_CS=14,	/* dirty_expire_centisecs */
-	VM_NR_PDFLUSH_THREADS=15, /* nr_pdflush_threads */
+	VM_UNUSED15=15,		/* was: int: nr_pdflush_threads */
 	VM_OVERCOMMIT_RATIO=16, /* percent of RAM to allow overcommit in */
 	VM_PAGEBUF=17,		/* struct: Control pagebuf parameters */
 	VM_HUGETLB_PAGES=18,	/* int: Number of available Huge Pages */
-- 
2.17.2