The patch titled ksm-add-ksm-kernel-shared-memory-driver-checkpatch-fixes has been added to the -mm tree. Its filename is ksm-add-ksm-kernel-shared-memory-driver-checkpatch-fixes.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: ksm-add-ksm-kernel-shared-memory-driver-checkpatch-fixes From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> WARNING: Use #include <linux/types.h> instead of <asm/types.h> #54: FILE: include/linux/ksm.h:11: +#include <asm/types.h> ERROR: code indent should use tabs where possible #65: FILE: include/linux/ksm.h:22: + __u64 reserved_bits;$ WARNING: line over 80 characters #305: FILE: mm/ksm.c:175: + * slots_lock protects against removing and adding memory regions while a scanner WARNING: braces {} are not necessary for single statement blocks #485: FILE: mm/ksm.c:355: + if (mm == rmap_item->mm && rmap_item->address == addr) { + return rmap_item; + } ERROR: code indent should use tabs where possible #522: FILE: mm/ksm.c:392: +^I ^I^Iif (!rmap_item->next && !rmap_item->prev) {$ WARNING: braces {} are not necessary for any arm of this statement #857: FILE: mm/ksm.c:727: + if (ret) { [...] + } else { [...] total: 2 errors, 4 warnings, 1746 lines checked ./patches/ksm-add-ksm-kernel-shared-memory-driver.patch has style problems, please review. If any of these errors are false positives report them to the maintainer, see CHECKPATCH in MAINTAINERS. Please run checkpatch prior to sending patches Cc: Andrea Arcangeli <aarcange@xxxxxxxxxx> Cc: Avi Kivity <avi@xxxxxxxxxx> Cc: Chris Wright <chrisw@xxxxxxxxxx> Cc: Hugh Dickins <hugh@xxxxxxxxxxx> Cc: Izik Eidus <ieidus@xxxxxxxxxx> Cc: Nick Piggin <nickpiggin@xxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- include/linux/ksm.h | 2 +- mm/ksm.c | 14 ++++++-------- 2 files changed, 7 insertions(+), 9 deletions(-) diff -puN include/linux/ksm.h~ksm-add-ksm-kernel-shared-memory-driver-checkpatch-fixes include/linux/ksm.h --- a/include/linux/ksm.h~ksm-add-ksm-kernel-shared-memory-driver-checkpatch-fixes +++ a/include/linux/ksm.h @@ -19,7 +19,7 @@ struct ksm_memory_region { __u32 npages; /* number of pages to share */ __u32 pad; __u64 addr; /* the begining of the virtual address */ - __u64 reserved_bits; + __u64 reserved_bits; }; #define KSMIO 0xAB diff -puN mm/ksm.c~ksm-add-ksm-kernel-shared-memory-driver-checkpatch-fixes mm/ksm.c --- a/mm/ksm.c~ksm-add-ksm-kernel-shared-memory-driver-checkpatch-fixes +++ a/mm/ksm.c @@ -172,8 +172,8 @@ struct rmap_item { */ static LIST_HEAD(slots); /* - * slots_lock protects against removing and adding memory regions while a scanner - * is in the middle of scanning. + * slots_lock protects against removing and adding memory regions while a + * scanner is in the middle of scanning. */ static DECLARE_RWSEM(slots_lock); @@ -352,9 +352,8 @@ static struct rmap_item *get_rmap_item(s bucket = &rmap_hash[addr % nrmaps_hash]; hlist_for_each_entry(rmap_item, node, bucket, link) { - if (mm == rmap_item->mm && rmap_item->address == addr) { + if (mm == rmap_item->mm && rmap_item->address == addr) return rmap_item; - } } return NULL; } @@ -389,7 +388,7 @@ static void remove_rmap_item_from_tree(s if (tree_item) { if (rmap_item->stable_tree) { - if (!rmap_item->next && !rmap_item->prev) { + if (!rmap_item->next && !rmap_item->prev) { rb_erase(&tree_item->node, &root_stable_tree); free_tree_item(tree_item); nnodes_stable_tree--; @@ -724,11 +723,10 @@ static int try_to_merge_two_pages_alloc( * just one pte pointing to it, in this case we break * it. */ - if (ret) { + if (ret) break_cow(mm1, addr1); - } else { + else ksm_pages_shared += 2; - } } put_page(kpage); _ Patches currently in -mm which might be from akpm@xxxxxxxxxxxxxxxxxxxx are origin.patch pxafb-lcsr1-is-unused-without-config_fb_pxa_overlay-fix.patch clocksource-pass-clocksource-to-read-callback.patch i2c-too-much-compiler-noise.patch linux-next.patch next-remove-localversion.patch i-need-old-gcc.patch arch-x86-kernel-cpu-cpufreq-acpi-cpufreqc-avoid-cross-cpu-interrupts.patch input-bcm5974-declare-alignment-usage.patch input-keyboard-introduce-lm8323-driver.patch drivers-input-xpadc-improve-xbox-360-wireless-support-and-add-sysfs-interface-checkpatch-fixes.patch input-documentation-input-xpadtxt-update-for-new-driver-functionality-checkpatch-fixes.patch mtd-flex-onenand-support.patch misdn-l1oip-reduce-stack-memory-footprint.patch drivers-net-82596c-suppress-warnings.patch pci-quirks-unhide-overflow-device-on-i828675p-pe-chipsets-v2.patch raw-fix-rawctl-compat-ioctls-breakage-on-amd64-and-itanic.patch libfs-make-simple_read_from_buffer-conventional.patch vfs-kill-vfs_stat_fd-vfs_lstat_fd-fix.patch scsi-dpt_i2o-is-bust-on-ia64.patch squashfs-fix-breakage-when-pagesize-blocksize-checkpatch-fixes.patch mm-consolidate-init_mm-definition-fix.patch readahead-record-mmap-read-around-states-in-file_ra_state-checkpatch-fixes.patch mm-clean-up-get_user_pages_fast-documentation-checkpatch-fixes.patch ksm-add-ksm-kernel-shared-memory-driver-checkpatch-fixes.patch frv-duplicate-output_buffer-of-e03-checkpatch-fixes.patch m68k-count-can-reach-51-not-50.patch rb_tree-reorganize-code-in-rb_erase-for-additional-changes-checkpatch-fixes.patch flat-fix-data-sections-alignment.patch edac-add-cpc925-memory-controller-driver-cleanup.patch edac-add-edac_device_alloc_index-cleanup.patch gru-support-for-asynchronous-gru-instructions-fix.patch reiser4-export-remove_from_page_cache-fix.patch reiser4.patch reiser4-remove-simple_prepare_write-usage-checkpatch-fixes.patch slab-leaks3-default-y.patch put_bh-debug.patch shrink_slab-handle-bad-shrinkers.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 drivers-net-bonding-bond_sysfsc-suppress-uninitialized-var-warning.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