[android-common:android15-6.6-2026-04 0/7] include/trace/hooks/swapfile.h:16:1: sparse: sparse: incorrect type in assignment (different address spaces)

tree:   https://android.googlesource.com/kernel/common android15-6.6-2026-04
head:   94ba6cba4be120105fa6919c2279fc8e0efe174e
commit: a402d311bb6a70f790ec81024488326277d1ba75 [0/7] ANDROID: vendor hooks: add hooks to support the functionality and management of multiple swap devices.
config: i386-randconfig-062-20260814 (https://download.01.org/0day-ci/archive/20260814/[email protected]/config)
compiler: gcc-14 (Debian 14.2.0-19) 14.2.0
sparse: v0.6.5-rc1
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260814/[email protected]/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <[email protected]>
| Closes: https://lore.kernel.org/oe-kbuild-all/[email protected]/

sparse warnings: (new ones prefixed by >>)
   mm/swapfile.c:628:13: sparse: sparse: context imbalance in 'cluster_reclaim_range' - unexpected unlock
   mm/swapfile.c:765:23: sparse: sparse: context imbalance in 'alloc_swap_scan_cluster' - different lock contexts for basic block
   mm/swapfile.c:784:31: sparse: sparse: context imbalance in 'swap_reclaim_full_clusters' - unexpected unlock
   mm/swapfile.c:1051:13: sparse: sparse: context imbalance in 'swap_offset_available_and_locked' - wrong count at exit
   mm/swapfile.c:1257:9: sparse: sparse: context imbalance in 'scan_swap_map_slots' - unexpected unlock
   mm/swapfile.c: note: in included file:
>> include/trace/hooks/swapfile.h:16:1: sparse: sparse: incorrect type in assignment (different address spaces) @@     expected struct tracepoint_func *it_func_ptr @@     got struct tracepoint_func [noderef] __rcu *funcs @@
   include/trace/hooks/swapfile.h:16:1: sparse:     expected struct tracepoint_func *it_func_ptr
   include/trace/hooks/swapfile.h:16:1: sparse:     got struct tracepoint_func [noderef] __rcu *funcs
   mm/swapfile.c:1414:36: sparse: sparse: context imbalance in 'swap_info_get_cont' - unexpected unlock
   mm/swapfile.c:458:9: sparse: sparse: context imbalance in '__swap_entry_free' - different lock contexts for basic block
   mm/swapfile.c:458:9: sparse: sparse: context imbalance in '__swap_entries_free' - different lock contexts for basic block
   mm/swapfile.c:1619:23: sparse: sparse: context imbalance in 'swap_entry_range_free' - different lock contexts for basic block
   mm/swapfile.c:458:9: sparse: sparse: context imbalance in 'cluster_swap_free_nr' - different lock contexts for basic block
   mm/swapfile.c:1699:38: sparse: sparse: context imbalance in 'put_swap_folio' - different lock contexts for basic block
   mm/swapfile.c:1743:28: sparse: sparse: context imbalance in 'swapcache_free_entries' - unexpected unlock
   mm/swapfile.c:458:9: sparse: sparse: context imbalance in 'swap_swapcount' - different lock contexts for basic block
   mm/swapfile.c:458:9: sparse: sparse: context imbalance in 'swp_swapcount' - different lock contexts for basic block
   mm/swapfile.c:458:9: sparse: sparse: context imbalance in 'swap_page_trans_huge_swapped' - different lock contexts for basic block
   mm/swapfile.c:2202:17: sparse: sparse: context imbalance in 'unuse_pte' - unexpected unlock
   mm/swapfile.c:2289:26: sparse: sparse: context imbalance in 'unuse_pte_range' - unexpected unlock
   mm/swapfile.c:458:9: sparse: sparse: context imbalance in '__swap_duplicate' - different lock contexts for basic block
   mm/swapfile.c:3972:23: sparse: sparse: context imbalance in 'add_swap_count_continuation' - different lock contexts for basic block

vim +16 include/trace/hooks/swapfile.h

    12	
    13	DECLARE_HOOK(android_vh_get_swap_pages_bypass,
    14		TP_PROTO(struct swap_info_struct *si, int entry_order, bool *skip),
    15		TP_ARGS(si, entry_order, skip));
  > 16	DECLARE_RESTRICTED_HOOK(android_rvh_get_swap_pages_bypass,
    17		TP_PROTO(struct swap_info_struct *si, int entry_order, bool *skip, swp_entry_t *entry),
    18		TP_ARGS(si, entry_order, skip, entry), 3);
    19	

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