The patch titled aio-dont-zero-out-the-pages-array-inside-struct-dio-fix has been added to the -mm tree. Its filename is aio-dont-zero-out-the-pages-array-inside-struct-dio-fix.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 *** See http://userweb.kernel.org/~akpm/stuff/added-to-mm.txt to find out what to do about this The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/ ------------------------------------------------------ Subject: aio-dont-zero-out-the-pages-array-inside-struct-dio-fix From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> Cc: Jeff Moyer <jmoyer@xxxxxxxxxx> Cc: Zach Brown <zach.brown@xxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- diff -puN fs/direct-io.c~aio-dont-zero-out-the-pages-array-inside-struct-dio-fix fs/direct-io.c --- a/fs/direct-io.c~aio-dont-zero-out-the-pages-array-inside-struct-dio-fix +++ a/fs/direct-io.c @@ -130,6 +130,12 @@ struct dio { unsigned head; /* next page to process */ unsigned tail; /* last valid page + 1 */ int page_errors; /* errno from get_user_pages() */ + + /* + * pages[] (and any fields placed after it) are not zeroed out at + * allocation time. Don't add new fields after pages[] unless you + * wish that they not be zeroed. + */ struct page *pages[DIO_PAGES]; /* page buffer */ }; _ Patches currently in -mm which might be from akpm@xxxxxxxxxxxxxxxxxxxx are origin.patch linux-next.patch next-remove-localversion.patch i-need-old-gcc.patch include-linux-compiler-gcc4h-gcc-402-doesnt-understand-__builtin_object_size.patch arch-x86-kernel-cpu-cpufreq-acpi-cpufreqc-avoid-cross-cpu-interrupts-by-using-smp_call_function_any.patch cmpc_acpi-add-support-for-classmate-pc-acpi-devices-fix.patch acpi-remove-nid_inval-checkpatch-fixes.patch timer-stats-fix-del_timer_sync-and-try_to_del_timer_sync.patch 3x59x-fix-pci-resource-management.patch bluetooth-fix-for-acer-bluetooth-optical-rechargeable-mouse.patch include-trace-events-lockdeph-fix-do_div-warning.patch st-fix-test-of-value-range-in-st_set_options.patch scsi-add-hpsa-driver-for-hp-smart-array-controllers-fix.patch raw-fix-rawctl-compat-ioctls-breakage-on-amd64-and-itanic.patch fs-improve-remountro-vs-buffercache-coherency.patch percpu-avoid-calling-__pcpu_ptr_to_addrnull.patch drivers-gpu-drm-i915-i915_dmac-fix-unused-var.patch readahead-add-blk_run_backing_dev.patch mmap-dont-return-enomem-when-mapcount-is-temporarily-exceeded-in-munmap-checkpatch-fixes.patch dev-mem-cleanup-unxlate_dev_mem_ptr-calls-fix.patch dev-mem-cleanup-unxlate_dev_mem_ptr-calls-fix-fix.patch frv-duplicate-output_buffer-of-e03-checkpatch-fixes.patch floppy-add-an-extra-bound-check-on-ioctl-arguments-fix.patch drivers-misc-add-driver-for-texas-instruments-dac7512-update.patch rwsem-fix-rwsem_is_locked-bugs-fix.patch errh-add-helper-function-to-simplify-pointer-error-checking-fix.patch hwmon-w83627ehf-updates-checkpatch-fixes.patch spi-controller-driver-for-designware-spi-core-fix.patch gpiolib-add-names-file-in-gpio-chip-sysfs.patch memcg-coalesce-charging-via-percpu-storage-fix.patch aio-dont-zero-out-the-pages-array-inside-struct-dio-fix.patch net-netfilter-ipvs-ip_vs_wrrc-use-lib-gcdc-fix.patch reiser4-export-remove_from_page_cache-fix.patch reiser4.patch reiser4-remove-simple_prepare_write-usage-checkpatch-fixes.patch fs-reiser4-contextc-current_is_pdflush-got-removed.patch reiser4-fix.patch reiser4-disable.patch slab-leaks3-default-y.patch put_bh-debug.patch getblk-handle-2tb-devices.patch getblk-handle-2tb-devices-fix.patch undeprecate-pci_find_device.patch notify_change-callers-must-hold-i_mutex.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