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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2024-11-05 10:11:53 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2024-11-05 10:11:53 +0100
commit09fbb82f9413641cbb6b3fc4970ed4ff6d2a2c2a (patch)
tree886c21539f1df24a14175997dc045715cd1d25e2 /kernel/fork.c
parent6b8ab7241562caadba350dcd7a4b2719abd835ee (diff)
parent59b723cd2adbac2a34fc8e12c74ae26ae45bf230 (diff)
Merge 6.12-rc6 into driver-core-next
We need the driver-core fix/revert in here as well to build on top of. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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);