The patch titled
Subject: mm/slab_common.c: mark kmalloc machinery as __ro_after_init
has been removed from the -mm tree. Its filename was
slab-mark-kmalloc-machinery-as-__ro_after_init.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
From: Alexey Dobriyan <adobriyan@xxxxxxxxx>
Subject: mm/slab_common.c: mark kmalloc machinery as __ro_after_init
kmalloc caches aren't relocated after being set up neither does
"size_index" array.
Link: http://lkml.kernel.org/r/20180226203519.GA6886@avx2
Signed-off-by: Alexey Dobriyan <adobriyan@xxxxxxxxx>
Reviewed-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Cc: Christoph Lameter <cl@xxxxxxxxx>
Cc: Pekka Enberg <penberg@xxxxxxxxxx>
Cc: David Rientjes <rientjes@xxxxxxxxxx>
Cc: Joonsoo Kim <iamjoonsoo.kim@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/slab_common.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff -puN mm/slab_common.c~slab-mark-kmalloc-machinery-as-__ro_after_init mm/slab_common.c
--- a/mm/slab_common.c~slab-mark-kmalloc-machinery-as-__ro_after_init
+++ a/mm/slab_common.c
@@ -10,6 +10,7 @@
#include <linux/poison.h>
#include <linux/interrupt.h>
#include <linux/memory.h>
+#include <linux/cache.h>
#include <linux/compiler.h>
#include <linux/module.h>
#include <linux/cpu.h>
@@ -954,11 +955,11 @@ struct kmem_cache *__init create_kmalloc
return s;
}
-struct kmem_cache *kmalloc_caches[KMALLOC_SHIFT_HIGH + 1];
+struct kmem_cache *kmalloc_caches[KMALLOC_SHIFT_HIGH + 1] __ro_after_init;
EXPORT_SYMBOL(kmalloc_caches);
#ifdef CONFIG_ZONE_DMA
-struct kmem_cache *kmalloc_dma_caches[KMALLOC_SHIFT_HIGH + 1];
+struct kmem_cache *kmalloc_dma_caches[KMALLOC_SHIFT_HIGH + 1] __ro_after_init;
EXPORT_SYMBOL(kmalloc_dma_caches);
#endif
@@ -968,7 +969,7 @@ EXPORT_SYMBOL(kmalloc_dma_caches);
* of two cache sizes there. The size of larger slabs can be determined using
* fls.
*/
-static s8 size_index[24] = {
+static s8 size_index[24] __ro_after_init = {
3, /* 8 */
4, /* 16 */
5, /* 24 */
_
Patches currently in -mm which might be from adobriyan@xxxxxxxxx are
proc-do-less-stuff-under-pde_unload_lock.patch
proc-move-proc-sysvipc-creation-to-where-it-belongs.patch
proc-faster-open-close-of-files-without-release-hook.patch
proc-randomize-struct-pde_opener.patch
proc-move-struct-pde_opener-to-kmem-cache.patch
proc-account-struct-pde_opener.patch
proc-check-permissions-earlier-for-proc-wchan.patch
proc-use-set_puts-at-proc-wchan.patch
proc-test-proc-self-wchan.patch
proc-test-proc-self-syscall.patch
proc-move-struct-proc_dir_entry-into-kmem-cache.patch
proc-fix-proc-map_files-lookup-some-more.patch
proc-register-filesystem-last.patch
proc-faster-proc-cmdline.patch
proc-do-mmput-asap-for-proc-map_files.patch
proc-revalidate-misc-dentries.patch
proc-test-last-field-of-proc-loadavg.patch
proc-reject-and-as-filenames.patch
proc-switch-struct-proc_dir_entry-count-to-refcount.patch
proc-shotgun-test-read-readdir-readlink-a-little-write.patch
proc-shotgun-test-read-readdir-readlink-a-little-write-fix.patch
proc-shotgun-test-read-readdir-readlink-a-little-write-fix-2.patch
proc-use-slower-rb_first.patch
proc-test-proc-uptime.patch
uts-create-struct-uts_namespace-from-kmem_cache.patch
seq_file-allocate-seq_file-from-kmem_cache.patch
seq_file-account-everything.patch
seq_file-delete-small-value-optimization.patch
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