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Yinghai Lu 07b4e2bc9c mm: sparse: fix section usemap placement calculation ... Commit 238305bb4d ("mm: remove sparsemem allocation details from the bootmem allocator") introduced a bug in the allocation goal calculation that put section usemaps not in the same section as the node descriptors, creating unnecessary hotplug dependencies between them: node 0 must be removed before remove section 16399 node 1 must be removed before remove section 16399 node 2 must be removed before remove section 16399 node 3 must be removed before remove section 16399 node 4 must be removed before remove section 16399 node 5 must be removed before remove section 16399 node 6 must be removed before remove section 16399 The reason is that it applies PAGE_SECTION_MASK to the physical address of the node descriptor when finding a suitable place to put the usemap, when this mask is actually intended to be used with PFNs. Because the PFN mask is wider, the target address will point beyond the wanted section holding the node descriptor and the node must be offlined before the section holding the usemap can go. Fix this by extending the mask to address width before use. Signed-off-by: Yinghai Lu <yinghai@kernel.org> Signed-off-by: Johannes Weiner <hannes@cmpxchg.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>		2012-07-11 16:04:49 -07:00
..
Kconfig	Frontswap provides a "transcendent memory" interface for swap pages.	2012-06-04 12:28:45 -07:00
Kconfig.debug	mm: more intensive memory corruption debugging	2012-01-10 16:30:42 -08:00
Makefile	Frontswap provides a "transcendent memory" interface for swap pages.	2012-06-04 12:28:45 -07:00
backing-dev.c	backing-dev: fix wakeup timer races with bdi_unregister()	2012-02-01 16:52:49 +08:00
bootmem.c	mm/bootmem.c: cleanup on addition to bootmem data list	2012-05-29 16:22:24 -07:00
bounce.c	mm: remove the second argument of k[un]map_atomic()	2012-03-20 21:48:27 +08:00
cleancache.c	->encode_fh() API change	2012-05-29 23:28:33 -04:00
compaction.c	mm, thp: abort compaction if migration page cannot be charged to memcg	2012-07-11 16:04:43 -07:00
debug-pagealloc.c	mm, x86: Remove debug_pagealloc_enabled	2011-12-06 09:24:07 +01:00
dmapool.c	mm: fix implicit stat.h usage in dmapool.c	2011-10-31 09:20:12 -04:00
fadvise.c	fadvise: only initiate writeback for specified range with FADV_DONTNEED	2012-01-10 16:30:43 -08:00
failslab.c	switch debugfs to umode_t	2012-01-03 22:54:56 -05:00
filemap.c	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2012-06-01 10:34:35 -07:00
filemap_xip.c	fs: introduce inode operation ->update_time	2012-06-01 12:07:25 -04:00
fremap.c	mm: delete various needless include <linux/module.h>	2011-10-31 09:20:11 -04:00
frontswap.c	frontswap: s/put_page/store/g s/get_page/load	2012-05-15 11:34:08 -04:00
highmem.c	Merge branch 'modsplit-Oct31_2011' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux	2011-11-06 19:44:47 -08:00
huge_memory.c	mm/memcg: apply add/del_page to lruvec	2012-05-29 16:22:28 -07:00
hugetlb.c	mm: fix vma_resv_map() NULL pointer	2012-05-30 08:48:13 -07:00
hwpoison-inject.c	HWPOISON: Clean up memory_failure() vs. __memory_failure()	2012-01-03 12:06:32 -08:00
init-mm.c	atomic: use <linux/atomic.h>	2011-07-26 16:49:47 -07:00
internal.h	Revert "mm: compaction: handle incorrect MIGRATE_UNMOVABLE type pageblocks"	2012-06-03 20:05:57 -07:00
kmemcheck.c	kmemcheck: Fix build errors due to missing slab.h	2010-03-30 22:02:32 +09:00
kmemleak-test.c	kmemleak: remove memset by using kzalloc	2011-01-27 18:31:51 +00:00
kmemleak.c	kmemleak: Disable early logging when kmemleak is off by default	2012-01-20 16:57:05 +00:00
ksm.c	ksm: cleanup: introduce find_mergeable_vma()	2012-03-21 17:54:59 -07:00
maccess.c	mm: Map most files to use export.h instead of module.h	2011-10-31 09:20:12 -04:00
madvise.c	mm: Hold a file reference in madvise_remove	2012-07-06 10:34:38 -07:00
memblock.c	mm/memblock: fix overlapping allocation when doubling reserved array	2012-06-20 14:39:36 -07:00
memcontrol.c	mm: fix kernel-doc warnings	2012-06-20 14:39:36 -07:00
memory-failure.c	mm/memory_failure: let the compiler add the function name	2012-05-29 16:22:18 -07:00
memory.c	mm/memory.c: fix kernel-doc warnings	2012-06-20 14:39:36 -07:00
memory_hotplug.c	mm/memory_hotplug.c: release memory resources if hotadd_new_pgdat() fails	2012-07-11 16:04:46 -07:00
mempolicy.c	mm, mempolicy: fix mbind() to do synchronous migration	2012-06-20 22:10:42 -07:00
mempool.c	mempool: fix first round failure behavior	2012-01-10 16:30:45 -08:00
migrate.c	mm: fix warning in __set_page_dirty_nobuffers	2012-06-03 20:05:47 -07:00
mincore.c	mm: thp: fix pmd_bad() triggering in code paths holding mmap_sem read mode	2012-03-21 17:54:54 -07:00
mlock.c	vm: avoid using find_vma_prev() unnecessarily	2012-03-06 18:23:36 -08:00
mm_init.c	mm: Map most files to use export.h instead of module.h	2011-10-31 09:20:12 -04:00
mmap.c	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2012-06-01 10:34:35 -07:00
mmu_context.c	mm, counters: remove task argument to sync_mm_rss() and __sync_task_rss_stat()	2012-03-21 17:54:59 -07:00
mmu_notifier.c	mm: Map most files to use export.h instead of module.h	2011-10-31 09:20:12 -04:00
mmzone.c	mm: add link from struct lruvec to struct zone	2012-05-29 16:22:26 -07:00
mprotect.c	Merge branch 'akpm' (Andrew's patch-bomb)	2012-03-22 09:04:48 -07:00
mremap.c	move security_mmap_addr() to saner place	2012-06-01 10:37:16 -04:00
msync.c	sanitize vfs_fsync calling conventions	2010-05-21 18:31:21 -04:00
nobootmem.c	mm: remove sparsemem allocation details from the bootmem allocator	2012-05-29 16:22:22 -07:00
nommu.c	nommu: fix compilation of nommu.c	2012-06-04 17:17:31 -04:00
oom_kill.c	mm: fix kernel-doc warnings	2012-06-20 14:39:36 -07:00
page-writeback.c	writeback: initialize global_dirty_limit	2012-05-06 13:41:58 +08:00
page_alloc.c	Revert "mm: compaction: handle incorrect MIGRATE_UNMOVABLE type pageblocks"	2012-06-03 20:05:57 -07:00
page_cgroup.c	mm: fix kernel-doc warnings	2012-06-20 14:39:36 -07:00
page_io.c	frontswap: s/put_page/store/g s/get_page/load	2012-05-15 11:34:08 -04:00
page_isolation.c	mm: page_isolation: MIGRATE_CMA isolation functions added	2012-05-21 15:09:33 +02:00
pagewalk.c	mm: fix kernel-doc warnings	2012-06-20 14:39:36 -07:00
percpu-km.c	percpu: clear memory allocated with the km allocator	2010-10-02 10:28:42 +03:00
percpu-vm.c	mm: fix kernel-doc warnings	2012-06-20 14:39:36 -07:00
percpu.c	kmemleak: Fix the kmemleak tracking of the percpu areas with !SMP	2012-05-09 10:13:29 -07:00
pgtable-generic.c	arch/tile: allow building Linux with transparent huge pages enabled	2012-05-25 12:48:21 -04:00
prio_tree.c	sanitize <linux/prefetch.h> usage	2011-05-20 12:50:29 -07:00
process_vm_access.c	aio/vfs: cleanup of rw_copy_check_uvector() and compat_rw_copy_check_uvector()	2012-05-31 17:49:32 -07:00
quicklist.c	mm: delete various needless include <linux/module.h>	2011-10-31 09:20:11 -04:00
readahead.c	mm: move readahead syscall to mm/readahead.c	2012-05-29 16:22:23 -07:00
rmap.c	mm: remove swap token code	2012-05-29 16:22:19 -07:00
shmem.c	shmem: cleanup shmem_add_to_page_cache	2012-07-11 16:04:48 -07:00
slab.c	Merge branch 'slab/for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/penberg/linux	2012-03-28 15:04:26 -07:00
slob.c	mm: Map most files to use export.h instead of module.h	2011-10-31 09:20:12 -04:00
slub.c	Merge branch 'slab/for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/penberg/linux	2012-06-01 16:50:23 -07:00
sparse-vmemmap.c	mm: delete various needless include <linux/module.h>	2011-10-31 09:20:11 -04:00
sparse.c	mm: sparse: fix section usemap placement calculation	2012-07-11 16:04:49 -07:00
swap.c	mm/memcg: apply add/del_page to lruvec	2012-05-29 16:22:28 -07:00
swap_state.c	mm: fix s390 BUG by __set_page_dirty_no_writeback on swap	2012-04-23 18:19:22 -07:00
swapfile.c	swap: fix shmem swapping when more than 8 areas	2012-06-15 21:48:14 -07:00
truncate.c	mm/fs: remove truncate_range	2012-05-29 16:22:23 -07:00
util.c	new helper: vm_mmap_pgoff()	2012-06-01 10:37:18 -04:00
vmalloc.c	mm: fix faulty initialization in vmalloc_init()	2012-05-29 16:22:24 -07:00
vmscan.c	memory hotplug: fix invalid memory access caused by stale kswapd pointer	2012-07-11 16:04:41 -07:00
vmstat.c	mm/vmstat.c: remove debug fs entries on failure of file creation and made extfrag_debug_root dentry local	2012-05-29 16:22:19 -07:00