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authorChristian Brauner <brauner@kernel.org>2025-09-17 12:01:05 +0200
committerChristian Brauner <brauner@kernel.org>2025-09-19 14:26:14 +0200
commit7914f15c5e45ea6c76f2b3272ff39d8fe67b13f5 (patch)
tree32385a82110d012928536d7787b024add8818f63 /arch/s390/boot/vmem.c
parent885fc8ac0a4dc70f5d87b80b0977292870e35c60 (diff)
parent38f4885088fc5ad41b8b0a2a2cfc73d01e709e5c (diff)
Merge branch 'no-rebase-mnt_ns_tree_remove'
Bring in the fix for removing a mount namespace from the mount namespace rbtree and list. Signed-off-by: Christian Brauner <brauner@kernel.org>
Diffstat (limited to 'arch/s390/boot/vmem.c')
-rw-r--r--arch/s390/boot/vmem.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/s390/boot/vmem.c b/arch/s390/boot/vmem.c
index 1d073acd05a7..cea3de4dce8c 100644
--- a/arch/s390/boot/vmem.c
+++ b/arch/s390/boot/vmem.c
@@ -530,6 +530,9 @@ void setup_vmem(unsigned long kernel_start, unsigned long kernel_end, unsigned l
lowcore_address + sizeof(struct lowcore),
POPULATE_LOWCORE);
for_each_physmem_usable_range(i, &start, &end) {
+ /* Do not map lowcore with identity mapping */
+ if (!start)
+ start = sizeof(struct lowcore);
pgtable_populate((unsigned long)__identity_va(start),
(unsigned long)__identity_va(end),
POPULATE_IDENTITY);