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android_kernel_google_msm/mm
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Yinghai Lu c7c94a6913 mm: sparse: fix usemap allocation above node descriptor section 
commit 99ab7b1944 upstream.

After commit f5bf18fa22 ("bootmem/sparsemem: remove limit constraint
in alloc_bootmem_section"), usemap allocations may easily be placed
outside the optimal section that holds the node descriptor, even if
there is space available in that section.  This results in unnecessary
hotplug dependencies that need to have the node unplugged before the
section holding the usemap.

The reason is that the bootmem allocator doesn't guarantee a linear
search starting from the passed allocation goal but may start out at a
much higher address absent an upper limit.

Fix this by trying the allocation with the limit at the section end,
then retry without if that fails.  This keeps the fix from f5bf18fa22
of not panicking if the allocation does not fit in the section, but
still makes sure to try to stay within the section at first.

[rewritten massively by Johannes to apply to 3.4]

Change-Id: Ie40e51558b3abcaf0c0e72846928b84fe17f055a
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>
2016-10-29 23:12:12 +08:00
..
backing-dev.c bdi: use deferable timer for sync_supers task 2013-02-27 18:16:50 -08:00
bootmem.c mm: sparse: fix usemap allocation above node descriptor section 2016-10-29 23:12:12 +08:00
bounce.c mm: remove the second argument of k[un]map_atomic() 2012-03-20 21:48:27 +08:00
cleancache.c mm: cleancache: Use __read_mostly as appropiate. 2012-01-23 16:08:09 -05:00
compaction.c cma: fix watermark checking 2013-03-15 17:06:38 -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 fs: introduce inode operation ->update_time 2015-07-13 11:17:49 -07:00
filemap_xip.c fs: introduce inode operation ->update_time 2015-07-13 11:17:49 -07:00
fremap.c mm: delete various needless include <linux/module.h> 2011-10-31 09:20:11 -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 thp: optimize away unnecessary page table locking 2012-03-21 17:54:57 -07:00
hugetlb.c hugetlb: prevent BUG_ON in hugetlb_fault() -> hugetlb_cow() 2012-05-10 15:06:44 -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 cma: fix watermark checking 2013-03-15 17:06:38 -07:00
Kconfig mm: mmzone: MIGRATE_CMA migration type added 2013-02-27 18:14:01 -08:00
Kconfig.debug mm: more intensive memory corruption debugging 2012-01-10 16:30:42 -08:00
kmemcheck.c
kmemleak-test.c
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: add a field to store names for private anonymous memory 2013-10-11 10:02:06 -07:00
Makefile mm: compaction: export some of the functions 2013-02-27 18:13:58 -08:00
memblock.c memblock: Add memblock_overlaps_memory() 2013-02-20 02:43:56 -08:00
memcontrol.c memcg,thp: fix res_counter:96 regression 2012-05-19 10:10:27 -07:00
memory-failure.c mm: page_isolation: MIGRATE_CMA isolation functions added 2013-02-27 18:14:02 -08:00
memory.c mm: Use correct define for CMA features 2013-03-07 15:23:58 -08:00
memory_hotplug.c mm: page_isolation: MIGRATE_CMA isolation functions added 2013-02-27 18:14:02 -08:00
mempolicy.c mm: add a field to store names for private anonymous memory 2013-10-11 10:02:06 -07:00
mempool.c mempool: fix first round failure behavior 2012-01-10 16:30:45 -08:00
migrate.c mm: fix NULL ptr dereference in move_pages 2012-04-25 21:26:34 -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 mm: reorder can_do_mlock to fix audit denial 2015-06-16 23:08:46 -07:00
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 mm: add a field to store names for private anonymous memory 2013-10-11 10:02:06 -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: delete various needless include <linux/module.h> 2011-10-31 09:20:11 -04:00
mprotect.c mm: add a field to store names for private anonymous memory 2013-10-11 10:02:06 -07:00
mremap.c mm: collapse security_vm_enough_memory() variants into a single function 2012-02-14 10:45:39 +11:00
msync.c
nobootmem.c mm: nobootmem: fix sign extend problem in __free_pages_memory() 2012-05-10 15:06:44 -07:00
nommu.c kill mm argument of vm_munmap() 2012-04-21 01:58:20 -04:00
oom_kill.c mm, oom: make dump_tasks public 2014-11-18 15:13:25 -08:00
page-writeback.c Ext4 commits for 3.3 merge window; mostly cleanups and bug fixes 2012-03-28 10:02:55 -07:00
page_alloc.c mm: workaround for widevine playback failed 2013-05-22 07:57:36 +00:00
page_cgroup.c page_cgroup: fix horrid swap accounting regression 2012-03-06 08:18:23 -08:00
page_io.c
page_isolation.c mm: page_isolation: MIGRATE_CMA isolation functions added 2013-02-27 18:14:02 -08:00
pagewalk.c mm: thp: fix pmd_bad() triggering in code paths holding mmap_sem read mode 2012-03-21 17:54:54 -07:00
percpu-km.c
percpu-vm.c percpu: use bitmap_clear 2012-01-20 09:23:16 -08:00
percpu.c kmemleak: Fix the kmemleak tracking of the percpu areas with !SMP 2012-05-09 10:13:29 -07:00
pgtable-generic.c thp: add HPAGE_PMD_* definitions for !CONFIG_TRANSPARENT_HUGEPAGE 2012-03-21 17:55:02 -07:00
prio_tree.c
process_vm_access.c Fix race in process_vm_rw_core 2012-02-02 12:55:17 -08:00
quicklist.c mm: delete various needless include <linux/module.h> 2011-10-31 09:20:11 -04:00
readahead.c mm: Map most files to use export.h instead of module.h 2011-10-31 09:20:12 -04:00
rmap.c memcg: use new logic for page stat accounting 2012-03-21 17:55:01 -07:00
shmem.c ashmem: Add shmem_set_file to mm/shmem.c 2012-04-09 13:53:14 -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 slub: fix a memory leak in get_partial_node() 2013-03-15 17:09:26 -07:00
sparse-vmemmap.c mm: delete various needless include <linux/module.h> 2011-10-31 09:20:11 -04:00
sparse.c msm: mm: Fix errors when turning on SPARSEMEM 2013-02-20 02:43:57 -08:00
swap.c mm: drain percpu lru add/rotate page-vectors on cpu hot-unplug 2012-03-21 17:54:58 -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 swapon: check validity of swap_flags 2012-03-28 17:14:35 -07:00
thrash.c mm/thrash.c: quiet sparse noise 2011-10-31 17:30:50 -07:00
truncate.c mm for fs: add truncate_pagecache_range() 2012-03-28 17:14:35 -07:00
util.c nick kvfree() from apparmor 2014-11-18 15:13:23 -08:00
vmalloc.c mm: fix faulty initialization in vmalloc_init() 2013-02-20 02:43:59 -08:00
vmscan.c mm: fix up the vmscan stat in vmstat 2012-04-25 21:26:33 -07:00
vmstat.c mm: make counts of CMA free pages correct 2013-03-07 15:23:58 -08:00