The patch titled
Subject: memory-hotplug-fix-a-double-register-section-info-bug-fix
has been added to the -mm tree. Its filename is
memory-hotplug-fix-a-double-register-section-info-bug-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 ***
The -mm tree is included into linux-next and is updated
there every 3-4 working days
------------------------------------------------------
From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Subject: memory-hotplug-fix-a-double-register-section-info-bug-fix
Cc: "Luck, Tony" <tony.luck@xxxxxxxxx>
Cc: <stable@xxxxxxxxxxxxxxx>
Cc: Jiang Liu <jiang.liu@xxxxxxxxxx>
Cc: Mel Gorman <mgorman@xxxxxxx>
Cc: Xishi Qiu <qiuxishi@xxxxxxxxxx>
Cc: Yasuaki Ishimatsu <isimatu.yasuaki@xxxxxxxxxxxxxx>
Cc: qiuxishi <qiuxishi@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/memory_hotplug.c | 6 ++++++
1 file changed, 6 insertions(+)
diff -puN mm/memory_hotplug.c~memory-hotplug-fix-a-double-register-section-info-bug-fix mm/memory_hotplug.c
--- a/mm/memory_hotplug.c~memory-hotplug-fix-a-double-register-section-info-bug-fix
+++ a/mm/memory_hotplug.c
@@ -185,6 +185,12 @@ void register_page_bootmem_info_node(str
/* register_section info */
for (; pfn < end_pfn; pfn += PAGES_PER_SECTION) {
+ /*
+ * Some platforms can assign the same pfn to multiple nodes - on
+ * node0 as well as nodeN. To avoid registering a pfn against
+ * multiple nodes we check that this pfn does not already
+ * reside in some other node.
+ */
if (pfn_valid(pfn) && (pfn_to_nid(pfn) == node))
register_page_bootmem_info_section(pfn);
}
_
Patches currently in -mm which might be from akpm@xxxxxxxxxxxxxxxxxxxx are
idr-rename-max_level-to-max_idr_level-fix.patch
idr-rename-max_level-to-max_idr_level-fix-fix-2.patch
memory-hotplug-fix-a-double-register-section-info-bug-fix.patch
linux-next.patch
i-need-old-gcc.patch
arch-alpha-kernel-systblss-remove-debug-check.patch
idr-rename-max_level-to-max_idr_level-fix-3.patch
arch-x86-platform-iris-irisc-register-a-platform-device-and-a-platform-driver.patch
audith-replace-defines-with-c-stubs.patch
slab-fix-debug==0-warning.patch
mm.patch
x86-pat-separate-the-pfn-attribute-tracking-for-remap_pfn_range-and-vm_insert_pfn-fix.patch
mm-kill-vma-flag-vm_reserved-and-mm-reserved_vm-counter-fix.patch
mm-fix-nonuniform-page-status-when-writing-new-file-with-small-buffer-fix.patch
mm-fix-nonuniform-page-status-when-writing-new-file-with-small-buffer-fix-fix.patch
mm-vmscan-scale-number-of-pages-reclaimed-by-reclaim-compaction-based-on-failures-fix.patch
mm-mmu_notifier-fix-inconsistent-memory-between-secondary-mmu-and-host-fix.patch
rbtree-performance-and-correctness-test-fix.patch
mm-cma-discard-clean-pages-during-contiguous-allocation-instead-of-migration-fix-fix.patch
mm-move-all-mmu-notifier-invocations-to-be-done-outside-the-pt-lock-fix.patch
memory-hotplug-fix-pages-missed-by-race-rather-than-failng-fix.patch
atomic-implement-generic-atomic_dec_if_positive-fix.patch
swap-add-a-simple-detector-for-inappropriate-swapin-readahead-fix.patch
mm-compaction-abort-compaction-loop-if-lock-is-contended-or-run-too-long.patch
mm-compaction-abort-compaction-loop-if-lock-is-contended-or-run-too-long-fix.patch
mm-compaction-abort-compaction-loop-if-lock-is-contended-or-run-too-long-fix-2.patch
mm-page_alloc-refactor-out-__alloc_contig_migrate_alloc-checkpatch-fixes.patch
sections-fix-section-conflicts-in-arch-h8300-checkpatch-fixes.patch
sections-fix-section-conflicts-in-drivers-macintosh-checkpatch-fixes.patch
sectons-fix-const-sections-for-crc32-table-checkpatch-fixes.patch
backlight-add-backlight-driver-for-lm3630-chip-fix.patch
backlight-add-new-lm3639-backlight-driver-fix.patch
lib-parserc-avoid-overflow-in-match_number-fix.patch
drivers-firmware-dmi_scanc-check-dmi-version-when-get-system-uuid-fix.patch
drivers-firmware-dmi_scanc-fetch-dmi-version-from-smbios-if-it-exists-checkpatch-fixes.patch
rtc-add-dallas-ds2404-driver-fix.patch
rtc-snvs-add-freescale-rtc-snvs-driver-fix.patch
fs-fat-fix-all-other-checkpatch-issues-in-dirc-fix.patch
fat-simplify-writeback_inode-checkpatch-fixes.patch
fat-simplify-writeback_inode-checkpatch-fixes-fix.patch
coredump-make-core-dump-functionality-optional-fix-fix.patch
coredump-use-suid_dumpable_enabled-rather-than-hardcoded-1-checkpatch-fixes.patch
proc-use-kzalloc-instead-of-kmalloc-and-memset-fix.patch
journal_add_journal_head-debug.patch
mutex-subsystem-synchro-test-module-fix.patch
slab-leaks3-default-y.patch
put_bh-debug.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
