Merge tag 'mm-hotfixes-stable-2025-07-11-16-16' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mmHEADmaster

Pull misc fixes from Andrew Morton:
 "19 hotfixes. A whopping 16 are cc:stable and the remainder address
  post-6.15 issues or aren't considered necessary for -stable kernels.

  14 are for MM.  Three gdb-script fixes and a kallsyms build fix"

* tag 'mm-hotfixes-stable-2025-07-11-16-16' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
  Revert "sched/numa: add statistics of numa balance task"
  mm: fix the inaccurate memory statistics issue for users
  mm/damon: fix divide by zero in damon_get_intervals_score()
  samples/damon: fix damon sample mtier for start failure
  samples/damon: fix damon sample wsse for start failure
  samples/damon: fix damon sample prcl for start failure
  kasan: remove kasan_find_vm_area() to prevent possible deadlock
  scripts: gdb: vfs: support external dentry names
  mm/migrate: fix do_pages_stat in compat mode
  mm/damon/core: handle damon_call_control as normal under kdmond deactivation
  mm/rmap: fix potential out-of-bounds page table access during batched unmap
  mm/hugetlb: don't crash when allocating a folio if there are no resv
  scripts/gdb: de-reference per-CPU MCE interrupts
  scripts/gdb: fix interrupts.py after maple tree conversion
  maple_tree: fix mt_destroy_walk() on root leaf node
  mm/vmalloc: leave lazy MMU mode on PTE mapping error
  scripts/gdb: fix interrupts display after MCP on x86
  lib/alloc_tag: do not acquire non-existent lock in alloc_tag_top_users()
  kallsyms: fix build without execinfo

1 files changed, 8 insertions, 8 deletions

diff --git a/scripts/gdb/linux/interrupts.py b/scripts/gdb/linux/interrupts.py
index 616a5f26377a..f4f715a8f0e3 100644
--- a/scripts/gdb/linux/interrupts.py
+++ b/scripts/gdb/linux/interrupts.py
@@ -7,7 +7,7 @@ import gdb
 from linux import constants
 from linux import cpus
 from linux import utils
-from linux import radixtree
+from linux import mapletree
 
 irq_desc_type = utils.CachedType("struct irq_desc")
 
@@ -23,12 +23,12 @@ def irqd_is_level(desc):
 def show_irq_desc(prec, irq):
     text = ""
 
-    desc = radixtree.lookup(gdb.parse_and_eval("&irq_desc_tree"), irq)
+    desc = mapletree.mtree_load(gdb.parse_and_eval("&sparse_irqs"), irq)
     if desc is None:
         return text
 
-    desc = desc.cast(irq_desc_type.get_type())
-    if desc is None:
+    desc = desc.cast(irq_desc_type.get_type().pointer())
+    if desc == 0:
         return text
 
     if irq_settings_is_hidden(desc):
@@ -110,7 +110,7 @@ def x86_show_mce(prec, var, pfx, desc):
     pvar = gdb.parse_and_eval(var)
     text = "%*s: " % (prec, pfx)
     for cpu in cpus.each_online_cpu():
-        text += "%10u " % (cpus.per_cpu(pvar, cpu))
+        text += "%10u " % (cpus.per_cpu(pvar, cpu).dereference())
     text += "  %s\n" % (desc)
     return text
 
@@ -142,7 +142,7 @@ def x86_show_interupts(prec):
 
     if constants.LX_CONFIG_X86_MCE:
         text += x86_show_mce(prec, "&mce_exception_count", "MCE", "Machine check exceptions")
-        text == x86_show_mce(prec, "&mce_poll_count", "MCP", "Machine check polls")
+        text += x86_show_mce(prec, "&mce_poll_count", "MCP", "Machine check polls")
 
     text += show_irq_err_count(prec)
 
@@ -221,8 +221,8 @@ class LxInterruptList(gdb.Command):
             gdb.write("CPU%-8d" % cpu)
         gdb.write("\n")
 
-        if utils.gdb_eval_or_none("&irq_desc_tree") is None:
-            return
+        if utils.gdb_eval_or_none("&sparse_irqs") is None:
+            raise gdb.GdbError("Unable to find the sparse IRQ tree, is CONFIG_SPARSE_IRQ enabled?")
 
         for irq in range(nr_irqs):
             gdb.write(show_irq_desc(prec, irq))