[PATCH 01/10] doc: Move SLUB documentation to the admin guide

["Matthew Wilcox (Oracle)" <willy@infradead.org>]

This section is supposed to be for internal documentation, while the
document is advice for sysadmins.  Move it to the appropriate place.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
---
 Documentation/ABI/testing/sysfs-kernel-slab          |  4 ++--
 Documentation/admin-guide/kernel-parameters.txt      | 12 +++++++-----
 Documentation/admin-guide/mm/index.rst               |  1 +
 .../{mm/slub.rst => admin-guide/mm/slab.rst}         |  6 ++----
 Documentation/mm/index.rst                           |  1 -
 5 files changed, 12 insertions(+), 12 deletions(-)
 rename Documentation/{mm/slub.rst => admin-guide/mm/slab.rst} (98%)

diff --git a/Documentation/ABI/testing/sysfs-kernel-slab b/Documentation/ABI/testing/sysfs-kernel-slab
index 658999be5164..355550edf431 100644
--- a/Documentation/ABI/testing/sysfs-kernel-slab
+++ b/Documentation/ABI/testing/sysfs-kernel-slab
@@ -37,7 +37,7 @@ Description:
 		The alloc_calls file is read-only and lists the kernel code
 		locations from which allocations for this cache were performed.
 		The alloc_calls file only contains information if debugging is
-		enabled for that cache (see Documentation/mm/slub.rst).
+		enabled for that cache (see Documentation/mm/slab.rst).
 
 What:		/sys/kernel/slab/<cache>/alloc_fastpath
 Date:		February 2008
@@ -219,7 +219,7 @@ Contact:	Pekka Enberg <penberg@cs.helsinki.fi>,
 Description:
 		The free_calls file is read-only and lists the locations of
 		object frees if slab debugging is enabled (see
-		Documentation/mm/slub.rst).
+		Documentation/mm/slab.rst).
 
 What:		/sys/kernel/slab/<cache>/free_fastpath
 Date:		February 2008
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index a3ea40b22fb9..5f530edc4312 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -6555,14 +6555,14 @@
 			slab_debug can create guard zones around objects and
 			may poison objects when not in use. Also tracks the
 			last alloc / free. For more information see
-			Documentation/mm/slub.rst.
+			Documentation/admin-guide/mm/slab.rst.
 			(slub_debug legacy name also accepted for now)
 
 	slab_max_order= [MM]
 			Determines the maximum allowed order for slabs.
 			A high setting may cause OOMs due to memory
 			fragmentation. For more information see
-			Documentation/mm/slub.rst.
+			Documentation/admin-guide/mm/slab.rst.
 			(slub_max_order legacy name also accepted for now)
 
 	slab_merge	[MM]
@@ -6577,13 +6577,14 @@
 			the number of objects indicated. The higher the number
 			of objects the smaller the overhead of tracking slabs
 			and the less frequently locks need to be acquired.
-			For more information see Documentation/mm/slub.rst.
+			For more information see
+			Documentation/admin-guide/mm/slab.rst.
 			(slub_min_objects legacy name also accepted for now)
 
 	slab_min_order=	[MM]
 			Determines the minimum page order for slabs. Must be
 			lower or equal to slab_max_order. For more information see
-			Documentation/mm/slub.rst.
+			Documentation/admin-guide/mm/slab.rst.
 			(slub_min_order legacy name also accepted for now)
 
 	slab_nomerge	[MM]
@@ -6597,7 +6598,8 @@
 			cache (risks via metadata attacks are mostly
 			unchanged). Debug options disable merging on their
 			own.
-			For more information see Documentation/mm/slub.rst.
+			For more information see
+			Documentation/admin-guide/mm/slab.rst.
 			(slub_nomerge legacy name also accepted for now)
 
 	slab_strict_numa	[MM]
diff --git a/Documentation/admin-guide/mm/index.rst b/Documentation/admin-guide/mm/index.rst
index 2d2f6c222308..ebc83ca20fdc 100644
--- a/Documentation/admin-guide/mm/index.rst
+++ b/Documentation/admin-guide/mm/index.rst
@@ -37,6 +37,7 @@ the Linux memory management.
    numaperf
    pagemap
    shrinker_debugfs
+   slab
    soft-dirty
    swap_numa
    transhuge
diff --git a/Documentation/mm/slub.rst b/Documentation/admin-guide/mm/slab.rst
similarity index 98%
rename from Documentation/mm/slub.rst
rename to Documentation/admin-guide/mm/slab.rst
index 84ca1dc94e5e..16933b7b3377 100644
--- a/Documentation/mm/slub.rst
+++ b/Documentation/admin-guide/mm/slab.rst
@@ -1,10 +1,8 @@
 ==========================
-Short users guide for SLUB
+Short users guide for SLAB
 ==========================
 
-The basic philosophy of SLUB is very different from SLAB. SLAB
-requires rebuilding the kernel to activate debug options for all
-slab caches. SLUB always includes full debugging but it is off by default.
+SLUB always includes full debugging but it is off by default.
 SLUB can enable debugging only for selected slabs in order to avoid
 an impact on overall system performance which may make a bug more
 difficult to find.
diff --git a/Documentation/mm/index.rst b/Documentation/mm/index.rst
index d3ada3e45e10..fb45acba16ac 100644
--- a/Documentation/mm/index.rst
+++ b/Documentation/mm/index.rst
@@ -56,7 +56,6 @@ documentation, or deleted if it has served its purpose.
    page_owner
    page_table_check
    remap_file_pages
-   slub
    split_page_table_lock
    transhuge
    unevictable-lru
-- 
2.47.2