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Jérémy Lefaure 8bec83b2cf shmem: fix compilation warnings on unused functions
commit f1f5929cd9 upstream.

Compiling shmem.c with SHMEM and TRANSAPRENT_HUGE_PAGECACHE enabled
raises warnings on two unused functions when CONFIG_TMPFS and
CONFIG_SYSFS are both disabled:

  mm/shmem.c:390:20: warning: `shmem_format_huge' defined but not used [-Wunused-function]
   static const char *shmem_format_huge(int huge)
                      ^~~~~~~~~~~~~~~~~
  mm/shmem.c:373:12: warning: `shmem_parse_huge' defined but not used [-Wunused-function]
   static int shmem_parse_huge(const char *str)
               ^~~~~~~~~~~~~~~~

A conditional compilation on tmpfs or sysfs removes the warnings.

Link: http://lkml.kernel.org/r/20161118055749.11313-1-jeremy.lefaure@lse.epita.fr
Signed-off-by: Jérémy Lefaure <jeremy.lefaure@lse.epita.fr>
Acked-by: Hugh Dickins <hughd@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-02-25 11:05:54 +01:00
..
kasan kasan: respect /proc/sys/kernel/traceoff_on_warning 2017-06-17 06:41:51 +02:00
Kconfig Allow KASAN and HOTPLUG_MEMORY to co-exist when doing build testing 2016-10-27 16:23:01 -07:00
Kconfig.debug PM / Hibernate: allow hibernation with PAGE_POISONING_ZERO 2016-09-13 02:35:27 +02:00
Makefile Disable the __builtin_return_address() warning globally after all 2016-10-12 10:23:41 -07:00
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.c cma: fix calculation of aligned offset 2018-01-31 12:55:51 +01:00
cma.h mm: cma: mark cma_bitmap_maxno() inline in header 2015-08-14 15:56:32 -07:00
cma_debug.c mm/cma_debug: correct size input to bitmap function 2015-07-17 16:39:54 -07:00
compaction.c mm, compaction: fix NR_ISOLATED_* stats for pfn based migration 2017-01-12 11:39:32 +01:00
debug.c mm: clarify why we avoid page_mapcount() for slab pages in dump_page() 2016-10-07 18:46:29 -07:00
debug_page_ref.c mm/page_ref: add tracepoint to track down page reference manipulation 2016-03-17 15:09:34 -07:00
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.c: do not discard partial pages with POSIX_FADV_DONTNEED 2016-06-09 14:23:11 -07:00
failslab.c mm: fault-inject take over bootstrap kmem_cache check 2016-03-15 16:55:16 -07:00
filemap.c mm: do not access page->mapping directly on page_endio 2017-03-12 06:41:43 +01:00
frame_vector.c mm: replace get_vaddr_frames() write/force parameters with gup_flags 2016-10-19 08:11:24 -07:00
frontswap.c mm, frontswap: convert frontswap_enabled to static key 2016-07-26 16:19:19 -07:00
gup.c mm: larger stack guard gap, between vmas 2017-06-24 07:11:18 +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 thp: fix MADV_DONTNEED vs. numa balancing race 2017-12-14 09:28:16 +01:00
hugetlb.c mm, hugetlbfs: introduce ->split() to vm_operations_struct 2017-12-05 11:24:32 +01:00
hugetlb_cgroup.c mm, hugetlb_cgroup: round limit_in_bytes down to hugepage size 2016-05-20 17:58:30 -07:00
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 mm: fix 100% CPU kswapd busyloop on unreclaimable nodes 2018-01-31 12:55:53 +01:00
interval_tree.c mm: replace vma->sharead.linear with vma->shared 2015-02-10 14:30:31 -08:00
khugepaged.c mm: khugepaged: fix radix tree node leak in shmem collapse error path 2017-01-12 11:39:32 +01:00
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 kmemleak: add scheduling point to kmemleak_scan() 2018-02-03 17:05:39 +01:00
ksm.c ksm: prevent crash after write_protect_page fails 2017-06-07 12:07:49 +02:00
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 mm/madvise.c: fix madvise() infinite loop under special circumstances 2017-12-05 11:24:32 +01:00
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-failure.c hwpoison, memcg: forcibly uncharge LRU pages 2018-01-31 12:55:51 +01:00
memory.c mm: hide a #warning for COMPILE_TEST 2018-02-22 15:43:48 +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
mempolicy.c mm/mempolicy: fix use after free when calling get_mempolicy 2017-08-24 17:12:20 -07:00
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 Sanitize 'move_pages()' permission checks 2017-08-24 17:12:21 -07:00
mincore.c mm, swap: use offset of swap entry as key of swap cache 2016-10-07 18:46:28 -07:00
mlock.c mlock: fix mlock count can not decrease in race condition 2017-06-07 12:07:49 +02:00
mm_init.c mm: convert printk(KERN_<LEVEL> to pr_<level> 2016-03-17 15:09:34 -07:00
mmap.c mm/mmap.c: do not blow on PROT_NONE MAP_FIXED holes in the stack 2018-01-31 12:55:51 +01:00
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, page_alloc: inline the fast path of the zonelist iterator 2016-05-19 19:12:14 -07:00
mprotect.c mm, mprotect: flush TLB if potentially racing with a parallel reclaim leaving stale TLB entries 2017-08-11 08:49:29 -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-writeback.c mm: don't use radix tree writeback tags for pages in swap cache 2016-10-07 18:46:28 -07:00
page_alloc.c mm: fix 100% CPU kswapd busyloop on unreclaimable nodes 2018-01-31 12:55:53 +01:00
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/page_isolation: fix typo: "paes" -> "pages" 2016-10-07 18:46:29 -07:00
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
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: move region iterations out of pcpu_[de]populate_chunk() 2014-09-02 14:46:02 -04:00
percpu.c percpu: acquire pcpu_lock when updating pcpu_nr_empty_pop_pages 2017-03-26 13:05:58 +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 mm: silently skip readahead for DAX inodes 2016-08-26 17:39:35 -07:00
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 shmem: fix compilation warnings on unused functions 2018-02-25 11:05:54 +01:00
slab.c slub: move synchronize_sched out of slab_mutex on shrink 2017-03-22 12:43:38 +01:00
slab.h slub: move synchronize_sched out of slab_mutex on shrink 2017-03-22 12:43:38 +01:00
slab_common.c slub: do not merge cache if slub_debug contains a never-merge flag 2017-10-21 17:21:36 +02:00
slob.c slub: move synchronize_sched out of slab_mutex on shrink 2017-03-22 12:43:38 +01:00
slub.c mm/slub.c: trace free objects at KERN_INFO 2017-06-07 12:07:49 +02:00
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.c thp: reduce usage of huge zero page's atomic counter 2016-10-07 18:46:28 -07:00
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, swap: use offset of swap entry as key of swap cache 2016-10-07 18:46:28 -07:00
swapfile.c mm: support anonymous stable page 2017-01-19 20:17:59 +01:00
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 mm: unrig VMA cache hit ratio 2016-10-07 18:46:27 -07:00
vmalloc.c mm/vmalloc.c: huge-vmap: fail gracefully on unexpected huge vmap mappings 2017-07-05 14:40:28 +02:00
vmpressure.c mm: vmpressure: fix sending wrong events on underflow 2017-03-12 06:41:43 +01:00
vmscan.c mm,vmscan: Make unregister_shrinker() no-op if register_shrinker() failed. 2018-02-25 11:05:40 +01:00
vmstat.c mm: fix 100% CPU kswapd busyloop on unreclaimable nodes 2018-01-31 12:55:53 +01:00
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