The patch titled Subject: tmpfs: enable NOSEC optimization has been added to the -mm tree. Its filename is tmpfs-enable-nosec-optimization.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/SubmitChecklist when testing your code *** The -mm tree is included into linux-next and is updated there every 3-4 working days ------------------------------------------------------ From: Hugh Dickins <hughd@xxxxxxxxxx> Subject: tmpfs: enable NOSEC optimization Let tmpfs into the NOSEC optimization (avoiding file_remove_suid() overhead on most common writes): set MS_NOSEC on its superblocks. Signed-off-by: Hugh Dickins <hughd@xxxxxxxxxx> Cc: Christoph Hellwig <hch@xxxxxxxxxxxxx> Cc: Andi Kleen <andi@xxxxxxxxxxxxxx> Cc: Al Viro <viro@xxxxxxxxxxxxxxxxxx> Cc: Cong Wang <xiyou.wangcong@xxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/shmem.c | 1 + 1 file changed, 1 insertion(+) diff -puN mm/shmem.c~tmpfs-enable-nosec-optimization mm/shmem.c --- a/mm/shmem.c~tmpfs-enable-nosec-optimization +++ a/mm/shmem.c @@ -2361,6 +2361,7 @@ int shmem_fill_super(struct super_block } } sb->s_export_op = &shmem_export_ops; + sb->s_flags |= MS_NOSEC; #else sb->s_flags |= MS_NOUSER; #endif _ Subject: Subject: tmpfs: enable NOSEC optimization Patches currently in -mm which might be from hughd@xxxxxxxxxx are linux-next.patch mm-remove-swap-token-code.patch mm-vmscan-remove-lumpy-reclaim.patch mm-vmscan-do-not-stall-on-writeback-during-memory-compaction.patch mm-vmscan-remove-reclaim_mode_t.patch mm-mmapc-find_vma-remove-unnecessary-ifmm-check.patch mm-mmapc-find_vma-remove-unnecessary-ifmm-check-fix.patch mm-fork-fix-overflow-in-vma-length-when-copying-mmap-on-clone.patch mm-correctly-synchronize-rss-counters-at-exit-exec.patch bug-introduce-build_bug_on_invalid-macro.patch bug-completely-remove-code-generated-by-disabled-vm_bug_on.patch shmem-replace-page-if-mapping-excludes-its-zone.patch tmpfs-enable-nosec-optimization.patch tmpfs-optimize-clearing-when-writing.patch tmpfs-support-fallocate-falloc_fl_punch_hole.patch mm-fs-route-madv_remove-to-falloc_fl_punch_hole.patch mm-fs-remove-truncate_range.patch tmpfs-support-fallocate-preallocation.patch tmpfs-undo-fallocation-on-failure.patch tmpfs-quit-when-fallocate-fills-memory.patch tmpfs-support-seek_data-and-seek_hole.patch memcg-fix-change-behavior-of-shared-anon-at-moving-task.patch memcg-swap-mem_cgroup_move_swap_account-never-needs-fixup.patch memcg-swap-use-mem_cgroup_uncharge_swap.patch mm-memcg-scanning_global_lru-means-mem_cgroup_disabled.patch mm-memcg-move-reclaim_stat-into-lruvec.patch mm-push-lru-index-into-shrink_active_list.patch mm-push-lru-index-into-shrink_active_list-fix.patch mm-mark-mm-inline-functions-as-__always_inline.patch mm-remove-lru-type-checks-from-__isolate_lru_page.patch mm-memcg-kill-mem_cgroup_lru_del.patch mm-memcg-use-vm_swappiness-from-target-memory-cgroup.patch memcg-add-mlock-statistic-in-memorystat.patch memcg-add-mlock-statistic-in-memorystat-fix.patch mm-vmscan-store-priority-in-struct-scan_control.patch mm-add-link-from-struct-lruvec-to-struct-zone.patch mm-vmscan-push-lruvec-pointer-into-isolate_lru_pages.patch mm-vmscan-push-zone-pointer-into-shrink_page_list.patch mm-vmscan-remove-update_isolated_counts.patch mm-vmscan-push-lruvec-pointer-into-putback_inactive_pages.patch mm-vmscan-replace-zone_nr_lru_pages-with-get_lruvec_size.patch mm-vmscan-push-lruvec-pointer-into-inactive_list_is_low.patch mm-vmscan-push-lruvec-pointer-into-shrink_list.patch mm-vmscan-push-lruvec-pointer-into-get_scan_count.patch mm-vmscan-push-lruvec-pointer-into-should_continue_reclaim.patch mm-vmscan-kill-struct-mem_cgroup_zone.patch mm-huge_memoryc-use-lockdep_assert_held.patch proc-clean-up-proc-pid-environ-handling.patch proc-remove-mm_for_maps.patch proc-use-mm_access-instead-of-ptrace_may_access.patch proc-report-file-anon-bit-in-proc-pid-pagemap.patch proc-use-is_err_or_null.patch fork-call-complete_vfork_done-after-clearing-child_tid-and-flushing-rss-counters.patch prio_tree-debugging-patch.patch -- To unsubscribe from this list: send the line "unsubscribe mm-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html