+ mm-add-mmap_action_simple_ioremap-fix.patch added to mm-unstable branch

[Andrew Morton <akpm@linux-foundation.org>]

The patch titled
     Subject: mm-add-mmap_action_simple_ioremap-fix
has been added to the -mm mm-unstable branch.  Its filename is
     mm-add-mmap_action_simple_ioremap-fix.patch

This patch will shortly appear at
     https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-add-mmap_action_simple_ioremap-fix.patch

This patch will later appear in the mm-unstable branch at
    git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

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------------------------------------------------------
From: Andrew Morton <akpm@linux-foundation.org>
Subject: mm-add-mmap_action_simple_ioremap-fix
Date: Fri Mar 20 07:26:50 PM PDT 2026

fix warning

mm/util.c: In function 'mmap_action_complete':
mm/util.c:1520:9: warning: enumeration value 'MMAP_MAP_KERNEL_PAGES' not handled in switch [-Wswitch]
 1520 |         switch (action->type) {
      |         ^~~~~~

Cc: "Lorenzo Stoakes (Oracle)" <ljs@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 mm/util.c |    1 +
 1 file changed, 1 insertion(+)

--- a/mm/util.c~mm-add-mmap_action_simple_ioremap-fix
+++ a/mm/util.c
@@ -1465,6 +1465,7 @@ int mmap_action_complete(struct vm_area_
 	case MMAP_REMAP_PFN:
 	case MMAP_IO_REMAP_PFN:
 	case MMAP_SIMPLE_IO_REMAP:
+	casr MMAP_MAP_KERNEL_PAGES:
 		WARN_ON_ONCE(1); /* nommu cannot handle this. */
 
 		err = -EINVAL;
_

Patches currently in -mm which might be from akpm@linux-foundation.org are

maple_tree-start-using-maple-copy-node-for-destination-checkpatch-fixes.patch
maple_tree-add-cp_is_new_root-helper-fix-fix.patch
mm-centralizefix-comments-about-compound_mapcount-in-new-sync_with_folio_pmd_zap-fix.patch
mm-rename-zap_page_range_single-to-zap_vma_range-fix.patch
mm-memcontrol-convert-objcg-to-be-per-memcg-per-node-type-fix-fix.patch
mm-page_reporting-add-page_reporting_order_unspecified-fix.patch
mm-rename-zone-lock-to-zone-_lock-fix.patch
mm-add-mmap_action_simple_ioremap-fix.patch
kernel-panic-increase-buffer-size-for-verbose-taint-logging-fix.patch
decode_stacktrace-decode-caller-address-checkpatch-fixes.patch
lib-list_sort-remove-dummy-cmp-calls-to-speed-up-merge_final-fix.patch
a.patch
a-fix.patch