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387fabdf23d40e84bae8e84d45cbc87d8a1708a6
linux/mm
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Tao Zeng b5b613f16e mm: fix global free page not same with buddy system [1/1] 
PD#TV-12041

Problem:
Lost RAM is too high, we checked meminfo, found that global free
page count is not same with real value counted from buddy system
usually after long time running, this different value can be over
200 MB:
[  484.055739@1] HighMem free:16652kB min:512kB low:15932kB
                              ~~~~~~16MB
[  484.067393@1] lowmem_reserve[]: 0 0 0
[  484.071021@1] HighMem: 2308*4kB (UMC) 1296*8kB (UMC) 913*16kB
                (UMC) 555*32kB (UMC) 339*64kB (UMC) 25*128kB
				(UMC) 2*256kB (C) 1*512kB (C) 1*1024kB (C)
	             0*2048kB 39*4096kB (C) = 238656kB
				                          ~~~~~~~~238MB

Solution:
Fix wrong sub of free pages when no fallback pages get from high memzone.

Verify:
x301

Change-Id: Iae011ec216e2479dd400aea1af4750ad436fe946
Signed-off-by: Tao Zeng <tao.zeng@amlogic.com>
2020-06-29 11:45:42 +09:00
..
kasan
mm: fix wrong kasan report [1/1]
2020-06-29 11:45:26 +09:00
backing-dev.c
block: fix double-free in the failure path of cgwb_bdi_init()
2017-02-26 11:10:52 +01:00
balloon_compaction.c
mm: balloon: use general non-lru movable page feature
2016-07-26 16:19:19 -07:00
bootmem.c
mm: kmemleak: avoid using __va() on addresses that don't have a lowmem mapping
2016-10-11 15:06:33 -07:00
cleancache.c
cleancache: constify cleancache_ops structure
2016-01-27 09:09:57 -05:00
cma_debug.c
mm/cma_debug: correct size input to bitmap function
2015-07-17 16:39:54 -07:00
cma.c
mm: fix cma allocation time too long [1/1]
2020-06-29 11:45:25 +09:00
cma.h
codec_mm: add reserved & cma support for 4.9. [1/1]
2018-12-21 13:05:18 +09:00
compaction.c
mm: fix cma allocation time too long [1/1]
2020-06-29 11:45:25 +09:00
debug_page_ref.c
mm/page_ref: add tracepoint to track down page reference manipulation
2016-03-17 15:09:34 -07:00
debug.c
RAVENPLAT 2387:OSS vulnerability found in [boot.img]:[linux_kernel] (CVE-2018-17182) Risk:[] [1/1]
2020-06-29 11:45:42 +09:00
dmapool.c
mm: convert printk(KERN_<LEVEL> to pr_<level>
2016-03-17 15:09:34 -07:00
early_ioremap.c
mm/early_ioremap: Fix boot hang with earlyprintk=efi,keep
2018-02-25 11:05:49 +01:00
fadvise.c
mm/fadvise: discard partial page if endbyte is also EOF
2018-05-30 07:50:23 +02:00
failslab.c
mm: fault-inject take over bootstrap kmem_cache check
2016-03-15 16:55:16 -07:00
filemap.c
Merge 4.9.96 into android-4.9
2018-04-24 11:26:46 +02:00
frame_vector.c
mm: fail get_vaddr_frames() for filesystem-dax mappings
2018-02-28 10:18:34 +01:00
frontswap.c
mm, frontswap: convert frontswap_enabled to static key
2016-07-26 16:19:19 -07:00
gup.c
proc: do not access cmdline nor environ from file-backed areas
2018-05-19 10:27:00 +02:00
highmem.c
mm/highmem: make nr_free_highpages() handles all highmem zones by itself
2016-05-19 19:12:14 -07:00
huge_memory.c
mm, thp: do not cause memcg oom for thp
2018-05-30 07:50:38 +02:00
hugetlb_cgroup.c
mm, hugetlb_cgroup: round limit_in_bytes down to hugepage size
2016-05-20 17:58:30 -07:00
hugetlb.c
mm: hugetlb: yield when prepping struct pages
2018-07-11 16:26:43 +02:00
hwpoison-inject.c
hwpoison: use page_cgroup_ino for filtering by memcg
2015-09-10 13:29:01 -07:00
init-mm.c
mm: Add a user_ns owner to mm_struct and fix ptrace permission checks
2017-01-06 10:40:13 +01:00
internal.h
Merge branch 'android-4.9' into amlogic-4.9-dev
2018-04-24 17:43:19 +08:00
interval_tree.c
…
Kconfig
mm: don't allow deferred pages with NEED_PER_CPU_KM
2018-05-22 16:57:57 +02:00
Kconfig.debug
PM / Hibernate: allow hibernation with PAGE_POISONING_ZERO
2016-09-13 02:35:27 +02:00
khugepaged.c
mm, thp: do not cause memcg oom for thp
2018-05-30 07:50:38 +02:00
kmemcheck.c
mm: convert printk(KERN_<LEVEL> to pr_<level>
2016-03-17 15:09:34 -07:00
kmemleak-test.c
mm: convert printk(KERN_<LEVEL> to pr_<level>
2016-03-17 15:09:34 -07:00
kmemleak.c
mm/kmemleak.c: wait for scan completion before disabling free
2018-05-30 07:50:39 +02:00
ksm.c
mm: fix cma allocation time too long [1/1]
2020-06-29 11:45:25 +09:00
list_lru.c
mm/list_lru.c: fix list_lru_count_node() to be race free
2017-07-21 07:42:21 +02:00
maccess.c
x86: remove more uaccess_32.h complexity
2016-05-22 17:21:27 -07:00
madvise.c
Merge 4.9.67 into android-4.9
2017-12-05 11:34:59 +01:00
Makefile
Disable the __builtin_return_address() warning globally after all
2016-10-12 10:23:41 -07:00
memblock.c
mm/memblock.c: reversed logic in memblock_discard()
2017-08-30 10:21:47 +02:00
memcontrol.c
hwpoison, memcg: forcibly uncharge LRU pages
2018-01-31 12:55:51 +01:00
memory_hotplug.c
mm/memory_hotplug: set magic number to page->freelist instead of page->lru.next
2017-10-21 17:21:36 +02:00
memory-failure.c
mm: hwpoison: call shake_page() after try_to_unmap() for mlocked page
2018-03-24 11:00:21 +01:00
memory.c
mm: fix cma allocation time too long [1/1]
2020-06-29 11:45:25 +09:00
mempolicy.c
Merge 4.9.104 into android-4.9
2018-05-30 13:19:56 +02:00
mempool.c
Revert "mm, mempool: only set __GFP_NOMEMALLOC if there are free elements"
2016-07-28 16:07:41 -07:00
memtest.c
memtest: remove unused header files
2015-09-08 15:35:28 -07:00
migrate.c
sched: change sleep api for __migration_entry_wait [1/1]
2020-06-29 11:45:42 +09:00
mincore.c
mm, swap: use offset of swap entry as key of swap cache
2016-10-07 18:46:28 -07:00
mlock.c
Merge 4.9.31 into android-4.9
2017-06-07 12:37:47 +02:00
mm_init.c
mm: convert printk(KERN_<LEVEL> to pr_<level>
2016-03-17 15:09:34 -07:00
mmap.c
Merge 4.9.108 into android-4.9
2018-06-13 16:37:10 +02:00
mmu_context.c
mm/mmu_context, sched/core: Fix mmu_context.h assumption
2016-04-28 11:44:19 +02:00
mmu_notifier.c
fix Christoph's email addresses
2016-03-17 15:09:34 -07:00
mmzone.c
mm: optimize for lowmemory killer
2018-04-17 17:58:08 -08:00
mprotect.c
Merge 4.9.42 into android-4.9
2017-08-11 13:55:02 -07:00
mremap.c
mm, mprotect: flush TLB if potentially racing with a parallel reclaim leaving stale TLB entries
2017-08-11 08:49:29 -07:00
msync.c
mm/msync: use offset_in_page macro
2015-11-05 19:34:48 -08:00
nobootmem.c
mm: discard memblock data later
2017-08-24 17:12:19 -07:00
nommu.c
ptrace: Don't allow accessing an undumpable mm
2017-01-06 10:40:13 +01:00
oom_kill.c
mm, oom_reaper: gather each vma to prevent leaking TLB entry
2017-12-09 22:01:47 +01:00
page_alloc.c
mm: fix global free page not same with buddy system [1/1]
2020-06-29 11:45:42 +09:00
page_counter.c
mm: page_counter: let page_counter_try_charge() return bool
2015-11-05 19:34:48 -08:00
page_ext.c
mm/page_ext: support extra space allocation by page_ext user
2016-10-07 18:46:27 -07:00
page_idle.c
mm, vmscan: move lru_lock to the node
2016-07-28 16:07:41 -07:00
page_io.c
mm/page_io.c: replace some BUG_ON()s with VM_BUG_ON_PAGE()
2016-10-07 18:46:29 -07:00
page_isolation.c
mm: optimize for CMA allocate time
2018-03-05 15:34:36 +08:00
page_owner.c
mm/page_owner: don't define fields on struct page_ext by hard-coding
2016-10-07 18:46:27 -07:00
page_poison.c
mm: check the return value of lookup_page_ext for all call sites
2016-06-03 15:06:22 -07:00
page-writeback.c
writeback: safer lock nesting
2018-04-24 09:34:18 +02:00
pagewalk.c
mm/pagewalk.c: report holes in hugetlb ranges
2017-11-24 08:33:42 +01:00
percpu-km.c
mm: percpu: use pr_fmt to prefix output
2016-03-17 15:09:34 -07:00
percpu-vm.c
…
percpu.c
percpu: include linux/sched.h for cond_resched()
2018-05-09 09:50:18 +02:00
pgtable-generic.c
mm/thp/migration: switch from flush_tlb_range to flush_pmd_tlb_range
2016-03-17 15:09:34 -07:00
process_vm_access.c
mm: remove write/force parameters from __get_user_pages_unlocked()
2016-10-18 14:13:37 -07:00
quicklist.c
fix Christoph's email addresses
2016-03-17 15:09:34 -07:00
readahead.c
Merge branch 'android-4.9' into amlogic-4.9-dev
2018-04-24 17:43:19 +08:00
rmap.c
mm, mprotect: flush TLB if potentially racing with a parallel reclaim leaving stale TLB entries
2017-08-11 08:49:29 -07:00
shmem.c
mm: fix cma allocation time too long [1/1]
2020-06-29 11:45:25 +09:00
slab_common.c
numa: fix compile error after open NUMA config [2/2]
2020-06-29 11:45:25 +09:00
slab.c
mm, slab: reschedule cache_reap() on the same CPU
2018-04-24 09:34:09 +02:00
slab.h
slub: move synchronize_sched out of slab_mutex on shrink
2017-03-22 12:43:38 +01:00
slob.c
slub: move synchronize_sched out of slab_mutex on shrink
2017-03-22 12:43:38 +01:00
slub.c
slab: trace for each slab object [1/1]
2020-06-29 11:45:26 +09:00
sparse-vmemmap.c
treewide: replace obsolete _refok by __ref
2016-08-02 17:31:41 -04:00
sparse.c
mm/memory_hotplug: set magic number to page->freelist instead of page->lru.next
2017-10-21 17:21:36 +02:00
swap_cgroup.c
mm, swap_cgroup: reschedule when neeed in swap_cgroup_swapoff()
2017-07-05 14:40:17 +02:00
swap_state.c
mm: fix cma allocation time too long [1/1]
2020-06-29 11:45:25 +09:00
swap.c
mm: optimize for lowmemory killer
2018-04-17 17:58:08 -08:00
swapfile.c
swap: divide-by-zero when zero length swap file on ssd
2018-05-30 07:50:40 +02:00
truncate.c
fs: add i_blocksize()
2017-06-14 15:06:00 +02:00
usercopy.c
mm: usercopy: Check for module addresses
2016-09-20 16:07:39 -07:00
userfaultfd.c
mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros
2016-04-04 10:41:08 -07:00
util.c
Provide a function to create a NUL-terminated string from unterminated data
2018-02-25 11:05:41 +01:00
vmacache.c
RAVENPLAT 2387:OSS vulnerability found in [boot.img]:[linux_kernel] (CVE-2018-17182) Risk:[] [1/1]
2020-06-29 11:45:42 +09:00
vmalloc.c
debug: add more strict checking for show_regs [2/2]
2020-06-29 11:45:29 +09:00
vmpressure.c
mm: vmpressure: fix sending wrong events on underflow
2017-03-12 06:41:43 +01:00
vmscan.c
mm: fix cma allocation time too long [1/1]
2020-06-29 11:45:25 +09:00
vmstat.c
mm: remove total summary of pagetypeinfo
2018-05-21 00:21:18 -07:00
workingset.c
mm: workingset: fix premature shadow node shrinking with cgroups
2017-04-08 09:30:36 +02:00
z3fold.c
mm/z3fold.c: avoid modifying HEADLESS page and minor cleanup
2016-06-03 16:02:55 -07:00
zbud.c
mm/zbud.c: use list_last_entry() instead of list_tail_entry()
2016-01-15 11:40:52 -08:00
zpool.c
mm: zsmalloc: constify struct zs_pool name
2015-11-06 17:50:42 -08:00
zsmalloc.c
zsmalloc: calling zs_map_object() from irq is a bug
2017-12-14 09:28:23 +01:00
zswap.c
zswap: don't param_set_charp while holding spinlock
2018-01-17 09:38:52 +01:00