The patch titled
Subject: memfd-fix-cow-issue-on-map_private-and-f_seal_future_write-mappings-fix
has been added to the -mm tree. Its filename is
memfd-fix-cow-issue-on-map_private-and-f_seal_future_write-mappings-fix.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/memfd-fix-cow-issue-on-map_private-and-f_seal_future_write-mappings-fix.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/memfd-fix-cow-issue-on-map_private-and-f_seal_future_write-mappings-fix.patch
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------------------------------------------------------
From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Subject: memfd-fix-cow-issue-on-map_private-and-f_seal_future_write-mappings-fix
reflow comment, per Christoph
Cc: Hugh Dickins <hughd@xxxxxxxxxx>
Cc: Joel Fernandes (Google) <joel@xxxxxxxxxxxxxxxxx>
Cc: Nicolas Geoffray <ngeoffray@xxxxxxxxxx>
Cc: Shuah Khan <shuah@xxxxxxxxxx>
Cc: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/shmem.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- a/mm/shmem.c~memfd-fix-cow-issue-on-map_private-and-f_seal_future_write-mappings-fix
+++ a/mm/shmem.c
@@ -2217,8 +2217,8 @@ static int shmem_mmap(struct file *file,
* Since an F_SEAL_FUTURE_WRITE sealed memfd can be mapped as
* MAP_SHARED and read-only, take care to not allow mprotect to
* revert protections on such mappings. Do this only for shared
- * mappings. For private mappings, don't need to mask VM_MAYWRITE
- * as we still want them to be COW-writable.
+ * mappings. For private mappings, don't need to mask
+ * VM_MAYWRITE as we still want them to be COW-writable.
*/
if (vma->vm_flags & VM_SHARED)
vma->vm_flags &= ~(VM_MAYWRITE);
_
Patches currently in -mm which might be from akpm@xxxxxxxxxxxxxxxxxxxx are
mm.patch
mm-swap-disallow-swapon-on-zoned-block-devices-fix.patch
rss_stat-add-support-to-detect-rss-updates-of-external-mm-fix.patch
mm-pgmap-use-correct-alignment-when-looking-at-first-pfn-from-a-region-checkpatch-fixes.patch
memfd-fix-cow-issue-on-map_private-and-f_seal_future_write-mappings-fix.patch
mm-oom-avoid-printk-iteration-under-rcu-fix.patch
hugetlb-remove-duplicated-code-checkpatch-fixes.patch
hugetlb-remove-unused-hstate-in-hugetlb_fault_mutex_hash-fix.patch
mm-madvise-replace-with-page_size-in-madvise_inject_error-fix.patch
mm-annotate-refault-stalls-from-swap_readpage-fix.patch
lib-optimize-cpumask_local_spread-v3-fix.patch
usb-kcov-collect-coverage-from-hub_event-fix.patch
linux-next-rejects.patch
linux-next-git-rejects.patch
diff-sucks.patch
drivers-block-null_blk_mainc-fix-layout.patch
drivers-block-null_blk_mainc-fix-uninitialized-var-warnings.patch
bitops-introduce-the-for_each_set_clump8-macro-fix-fix.patch
drivers-tty-serial-sh-scic-suppress-warning.patch
kernel-forkc-export-kernel_thread-to-modules.patch
