The patch titled
Subject: userfaultfd-support-minor-fault-handling-for-shmem-fix
has been added to the -mm tree. Its filename is
userfaultfd-support-minor-fault-handling-for-shmem-fix.patch
This patch should soon appear at
https://ozlabs.org/~akpm/mmots/broken-out/userfaultfd-support-minor-fault-handling-for-shmem-fix.patch
and later at
https://ozlabs.org/~akpm/mmotm/broken-out/userfaultfd-support-minor-fault-handling-for-shmem-fix.patch
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*** Remember to use Documentation/process/submit-checklist.rst when testing your code ***
The -mm tree is included into linux-next and is updated
there every 3-4 working days
------------------------------------------------------
From: Axel Rasmussen <axelrasmussen@xxxxxxxxxx>
Subject: userfaultfd-support-minor-fault-handling-for-shmem-fix
build fix
Link: https://lkml.kernel.org/r/20210309225830.2988269-1-axelrasmussen@xxxxxxxxxx
Signed-off-by: Axel Rasmussen <axelrasmussen@xxxxxxxxxx>
Cc: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/shmem.c | 2 ++
1 file changed, 2 insertions(+)
--- a/mm/shmem.c~userfaultfd-support-minor-fault-handling-for-shmem-fix
+++ a/mm/shmem.c
@@ -2359,6 +2359,7 @@ static struct inode *shmem_get_inode(str
return inode;
}
+#ifdef CONFIG_USERFAULTFD
int shmem_mcopy_atomic_pte(struct mm_struct *dst_mm, pmd_t *dst_pmd,
struct vm_area_struct *dst_vma,
unsigned long dst_addr, unsigned long src_addr,
@@ -2492,6 +2493,7 @@ out_unacct_blocks:
shmem_inode_unacct_blocks(inode, 1);
goto out;
}
+#endif /* CONFIG_USERFAULTFD */
#ifdef CONFIG_TMPFS
static const struct inode_operations shmem_symlink_inode_operations;
_
Patches currently in -mm which might be from axelrasmussen@xxxxxxxxxx are
userfaultfd-add-minor-fault-registration-mode.patch
userfaultfd-disable-huge-pmd-sharing-for-minor-registered-vmas.patch
userfaultfd-hugetlbfs-only-compile-uffd-helpers-if-config-enabled.patch
userfaultfd-add-uffdio_continue-ioctl.patch
userfaultfd-update-documentation-to-describe-minor-fault-handling.patch
userfaultfd-selftests-add-test-exercising-minor-fault-handling.patch
userfaultfd-support-minor-fault-handling-for-shmem.patch
userfaultfd-support-minor-fault-handling-for-shmem-fix.patch
userfaultfd-selftests-use-memfd_create-for-shmem-test-type.patch
userfaultfd-selftests-create-alias-mappings-in-the-shmem-test.patch
userfaultfd-selftests-reinitialize-test-context-in-each-test.patch
userfaultfd-selftests-exercise-minor-fault-handling-shmem-support.patch
