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authorChen-Yu Tsai <wens@csie.org>2025-07-15 18:34:10 +0300
committerChen-Yu Tsai <wens@csie.org>2025-07-15 18:34:10 +0300
commitca5ad734d30f30a577f705926d6e16a87513a2a7 (patch)
treeb5fb169a86ac59892bd3b60c2df13e8a7cef360d /mm/vma.c
parent082c6a2d06c0831d236760a29953355845eee988 (diff)
parentf99d4fccd2185176baf4ecac9a49d280fc62b953 (diff)
downloadlinux-ca5ad734d30f30a577f705926d6e16a87513a2a7.tar.xz
Merge branch 'dt' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/linux-pm into sunxi/dt-for-6.17
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Diffstat (limited to 'mm/vma.c')
-rw-r--r--mm/vma.c23
1 files changed, 4 insertions, 19 deletions
diff --git a/mm/vma.c b/mm/vma.c
index 726b2a31ce59..fef67a66a095 100644
--- a/mm/vma.c
+++ b/mm/vma.c
@@ -967,26 +967,9 @@ static __must_check struct vm_area_struct *vma_merge_existing_range(
err = dup_anon_vma(next, middle, &anon_dup);
}
- if (err)
+ if (err || commit_merge(vmg))
goto abort;
- err = commit_merge(vmg);
- if (err) {
- VM_WARN_ON(err != -ENOMEM);
-
- if (anon_dup)
- unlink_anon_vmas(anon_dup);
-
- /*
- * We've cleaned up any cloned anon_vma's, no VMAs have been
- * modified, no harm no foul if the user requests that we not
- * report this and just give up, leaving the VMAs unmerged.
- */
- if (!vmg->give_up_on_oom)
- vmg->state = VMA_MERGE_ERROR_NOMEM;
- return NULL;
- }
-
khugepaged_enter_vma(vmg->target, vmg->flags);
vmg->state = VMA_MERGE_SUCCESS;
return vmg->target;
@@ -995,6 +978,9 @@ abort:
vma_iter_set(vmg->vmi, start);
vma_iter_load(vmg->vmi);
+ if (anon_dup)
+ unlink_anon_vmas(anon_dup);
+
/*
* This means we have failed to clone anon_vma's correctly, but no
* actual changes to VMAs have occurred, so no harm no foul - if the
@@ -3127,7 +3113,6 @@ int __vm_munmap(unsigned long start, size_t len, bool unlock)
return ret;
}
-
/* Insert vm structure into process list sorted by address
* and into the inode's i_mmap tree. If vm_file is non-NULL
* then i_mmap_rwsem is taken here.