From 671776b32b26d0cb625bf834170e982fda712cab Mon Sep 17 00:00:00 2001 From: Xiongwei Song Date: Fri, 15 Dec 2023 11:41:48 +0800 Subject: mm/slub: unify all sl[au]b parameters with "slab_$param" Since the SLAB allocator has been removed, so we can clean up the sl[au]b_$params. With only one slab allocator left, it's better to use the generic "slab" term instead of "slub" which is an implementation detail, which is pointed out by Vlastimil Babka. For more information please see [1]. Hence, we are going to use "slab_$param" as the primary prefix. This patch is changing the following slab parameters - slub_max_order - slub_min_order - slub_min_objects - slub_debug to - slab_max_order - slab_min_order - slab_min_objects - slab_debug as the primary slab parameters for all references of them in docs and comments. But this patch won't change variables and functions inside slub as we will have wider slub/slab change. Meanwhile, "slub_$params" can also be passed by command line, which is to keep backward compatibility. Also mark all "slub_$params" as legacy. Remove the separate descriptions for slub_[no]merge, append legacy tip for them at the end of descriptions of slab_[no]merge. [1] https://lore.kernel.org/linux-mm/7512b350-4317-21a0-fab3-4101bc4d8f7a@suse.cz/ Signed-off-by: Xiongwei Song Reviewed-by: Vlastimil Babka Signed-off-by: Vlastimil Babka --- mm/Kconfig.debug | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'mm/Kconfig.debug') diff --git a/mm/Kconfig.debug b/mm/Kconfig.debug index 321ab379994f..afc72fde0f03 100644 --- a/mm/Kconfig.debug +++ b/mm/Kconfig.debug @@ -64,11 +64,11 @@ config SLUB_DEBUG_ON help Boot with debugging on by default. SLUB boots by default with the runtime debug capabilities switched off. Enabling this is - equivalent to specifying the "slub_debug" parameter on boot. + equivalent to specifying the "slab_debug" parameter on boot. There is no support for more fine grained debug control like - possible with slub_debug=xxx. SLUB debugging may be switched + possible with slab_debug=xxx. SLUB debugging may be switched off in a kernel built with CONFIG_SLUB_DEBUG_ON by specifying - "slub_debug=-". + "slab_debug=-". config PAGE_OWNER bool "Track page owner" -- cgit v1.2.3