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authorMaarten Lankhorst <maarten.lankhorst@linux.intel.com>2024-11-04 14:44:16 +0100
committerMaarten Lankhorst <maarten.lankhorst@linux.intel.com>2024-11-04 14:45:21 +0100
commitd78f0ee0406803cda8801fd5201746ccf89e5e4a (patch)
treed0d145319344a07cb6f4b47578f01236b71ad473 /kernel/fork.c
parenta88f9ed63b3cec761b04cba8104b2d0b2b66b25d (diff)
parent30169bb64580bd7bce9290c1952bf0aa6cc37fe5 (diff)
Merge remote-tracking branch 'drm/drm-next' into drm-misc-next
Didn't notice drm/drm-next had the build fix for drm_bridge, so ended up committing the same patch. Sync with drm and pretend it didn't happen? Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Diffstat (limited to 'kernel/fork.c')
-rw-r--r--kernel/fork.c14
1 files changed, 8 insertions, 6 deletions
diff --git a/kernel/fork.c b/kernel/fork.c
index 89ceb4a68af2..22f43721d031 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -105,6 +105,7 @@
#include <linux/rseq.h>
#include <uapi/linux/pidfd.h>
#include <linux/pidfs.h>
+#include <linux/tick.h>
#include <asm/pgalloc.h>
#include <linux/uaccess.h>
@@ -653,11 +654,6 @@ static __latent_entropy int dup_mmap(struct mm_struct *mm,
mm->exec_vm = oldmm->exec_vm;
mm->stack_vm = oldmm->stack_vm;
- retval = ksm_fork(mm, oldmm);
- if (retval)
- goto out;
- khugepaged_fork(mm, oldmm);
-
/* Use __mt_dup() to efficiently build an identical maple tree. */
retval = __mt_dup(&oldmm->mm_mt, &mm->mm_mt, GFP_KERNEL);
if (unlikely(retval))
@@ -760,6 +756,8 @@ loop_out:
vma_iter_free(&vmi);
if (!retval) {
mt_set_in_rcu(vmi.mas.tree);
+ ksm_fork(mm, oldmm);
+ khugepaged_fork(mm, oldmm);
} else if (mpnt) {
/*
* The entire maple tree has already been duplicated. If the
@@ -775,7 +773,10 @@ out:
mmap_write_unlock(mm);
flush_tlb_mm(oldmm);
mmap_write_unlock(oldmm);
- dup_userfaultfd_complete(&uf);
+ if (!retval)
+ dup_userfaultfd_complete(&uf);
+ else
+ dup_userfaultfd_fail(&uf);
fail_uprobe_end:
uprobe_end_dup_mmap();
return retval;
@@ -2292,6 +2293,7 @@ __latent_entropy struct task_struct *copy_process(
acct_clear_integrals(p);
posix_cputimers_init(&p->posix_cputimers);
+ tick_dep_init_task(p);
p->io_context = NULL;
audit_set_context(p, NULL);