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authorLinus Torvalds <torvalds@linux-foundation.org>2024-06-17 12:30:07 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2024-06-17 12:30:07 -0700
commite6b324fbf2de1797a4756fe2a489442464738dad (patch)
treea08832d319853905911100ffb562f76e78badc78 /lib
parent5cf81d7b0d926fd1080529bda3f6151ff91c9178 (diff)
parent01c8f9806bde438ca1c8cbbc439f0a14a6694f6c (diff)
downloadlwn-e6b324fbf2de1797a4756fe2a489442464738dad.tar.gz
lwn-e6b324fbf2de1797a4756fe2a489442464738dad.zip
Merge tag 'mm-hotfixes-stable-2024-06-17-11-43' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull misc fixes from Andrew Morton: "Mainly MM singleton fixes. And a couple of ocfs2 regression fixes" * tag 'mm-hotfixes-stable-2024-06-17-11-43' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: kcov: don't lose track of remote references during softirqs mm: shmem: fix getting incorrect lruvec when replacing a shmem folio mm/debug_vm_pgtable: drop RANDOM_ORVALUE trick mm: fix possible OOB in numa_rebuild_large_mapping() mm/migrate: fix kernel BUG at mm/compaction.c:2761! selftests: mm: make map_fixed_noreplace test names stable mm/memfd: add documentation for MFD_NOEXEC_SEAL MFD_EXEC mm: mmap: allow for the maximum number of bits for randomizing mmap_base by default gcov: add support for GCC 14 zap_pid_ns_processes: clear TIF_NOTIFY_SIGNAL along with TIF_SIGPENDING mm: huge_memory: fix misused mapping_large_folio_support() for anon folios lib/alloc_tag: fix RCU imbalance in pgalloc_tag_get() lib/alloc_tag: do not register sysctl interface when CONFIG_SYSCTL=n MAINTAINERS: remove Lorenzo as vmalloc reviewer Revert "mm: init_mlocked_on_free_v3" mm/page_table_check: fix crash on ZONE_DEVICE gcc: disable '-Warray-bounds' for gcc-9 ocfs2: fix NULL pointer dereference in ocfs2_abort_trigger() ocfs2: fix NULL pointer dereference in ocfs2_journal_dirty()
Diffstat (limited to 'lib')
-rw-r--r--lib/alloc_tag.c16
1 files changed, 13 insertions, 3 deletions
diff --git a/lib/alloc_tag.c b/lib/alloc_tag.c
index 11ed973ac359..c347b8b72d78 100644
--- a/lib/alloc_tag.c
+++ b/lib/alloc_tag.c
@@ -227,6 +227,7 @@ struct page_ext_operations page_alloc_tagging_ops = {
};
EXPORT_SYMBOL(page_alloc_tagging_ops);
+#ifdef CONFIG_SYSCTL
static struct ctl_table memory_allocation_profiling_sysctls[] = {
{
.procname = "mem_profiling",
@@ -241,6 +242,17 @@ static struct ctl_table memory_allocation_profiling_sysctls[] = {
{ }
};
+static void __init sysctl_init(void)
+{
+ if (!mem_profiling_support)
+ memory_allocation_profiling_sysctls[0].mode = 0444;
+
+ register_sysctl_init("vm", memory_allocation_profiling_sysctls);
+}
+#else /* CONFIG_SYSCTL */
+static inline void sysctl_init(void) {}
+#endif /* CONFIG_SYSCTL */
+
static int __init alloc_tag_init(void)
{
const struct codetag_type_desc desc = {
@@ -253,9 +265,7 @@ static int __init alloc_tag_init(void)
if (IS_ERR(alloc_tag_cttype))
return PTR_ERR(alloc_tag_cttype);
- if (!mem_profiling_support)
- memory_allocation_profiling_sysctls[0].mode = 0444;
- register_sysctl_init("vm", memory_allocation_profiling_sysctls);
+ sysctl_init();
procfs_init();
return 0;