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[18.181.137.102]) by smtp.gmail.com with ESMTPSA id pg12sm14680011pjb.4.2021.12.24.22.09.59 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 24 Dec 2021 22:10:00 -0800 (PST) From: Hyeonggon Yoo <42.hyeyoo@gmail.com> To: linux-mm@kvack.org Cc: akpm@linux-foundation.org, vbabka@suse.cz, cl@linux.com, rientjes@google.com, iamjoonsoo.kim@lge.com, penberg@kernel.org, 42.hyeyoo@gmail.com Subject: [PATCH] mm: Make SLAB_MERGE_DEFAULT depend on SL[AU]B Date: Sat, 25 Dec 2021 06:09:21 +0000 Message-Id: <20211225060921.13584-1-42.hyeyoo@gmail.com> X-Mailer: git-send-email 2.33.1 MIME-Version: 1.0 X-Rspamd-Server: rspam05 X-Rspamd-Queue-Id: 414DE2003D X-Stat-Signature: rpnnf4ddeamm1or3z7pk47yyrys5gxjh Authentication-Results: imf31.hostedemail.com; dkim=pass header.d=gmail.com header.s=20210112 header.b=N135DYD4; spf=pass (imf31.hostedemail.com: domain of 42.hyeyoo@gmail.com designates 209.85.216.48 as permitted sender) smtp.mailfrom=42.hyeyoo@gmail.com; dmarc=pass (policy=none) header.from=gmail.com X-HE-Tag: 1640412587-31300 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: SLOB always manage objects of different caches in same page regardless of SLAB_MERGE_DEFAULT. Because it has no effect on SLOB, make it depend on SLAB || SLUB. Signed-off-by: Hyeonggon Yoo <42.hyeyoo@gmail.com> Reviewed-by: Vlastimil Babka --- init/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/init/Kconfig b/init/Kconfig index 4b7bac10c72d..03e1b863f5ce 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -1933,6 +1933,7 @@ endchoice config SLAB_MERGE_DEFAULT bool "Allow slab caches to be merged" default y + depends on SLAB || SLUB help For reduced kernel memory fragmentation, slab caches can be merged when they share the same size and other characteristics.