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authorPaolo Bonzini <[email protected]>2024-11-14 12:06:24 +0000
committerPaolo Bonzini <[email protected]>2024-11-14 12:06:24 +0000
commit0586ade9e7f9491ccbe1e00975978cb9c2093006 (patch)
tree3dbb536e37d3e86086bd51dcee4bf81041bac087 /mm/memcontrol.c
parentMerge tag 'kvmarm-6.13' of https://git.kernel.org/pub/scm/linux/kernel/git/kv... (diff)
parentirqchip/loongson-eiointc: Add virt extension support (diff)
downloadkernel-0586ade9e7f9491ccbe1e00975978cb9c2093006.tar.gz
kernel-0586ade9e7f9491ccbe1e00975978cb9c2093006.zip
Merge tag 'loongarch-kvm-6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson into HEAD
LoongArch KVM changes for v6.13 1. Add iocsr and mmio bus simulation in kernel. 2. Add in-kernel interrupt controller emulation. 3. Add virt extension support for eiointc irqchip.
Diffstat (limited to 'mm/memcontrol.c')
-rw-r--r--mm/memcontrol.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 7845c64a2c57..06df2af97415 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -4629,10 +4629,6 @@ static void uncharge_folio(struct folio *folio, struct uncharge_gather *ug)
struct obj_cgroup *objcg;
VM_BUG_ON_FOLIO(folio_test_lru(folio), folio);
- VM_BUG_ON_FOLIO(folio_order(folio) > 1 &&
- !folio_test_hugetlb(folio) &&
- !list_empty(&folio->_deferred_list) &&
- folio_test_partially_mapped(folio), folio);
/*
* Nobody should be changing or seriously looking at
@@ -4679,6 +4675,7 @@ static void uncharge_folio(struct folio *folio, struct uncharge_gather *ug)
ug->nr_memory += nr_pages;
ug->pgpgout++;
+ WARN_ON_ONCE(folio_unqueue_deferred_split(folio));
folio->memcg_data = 0;
}
@@ -4790,6 +4787,9 @@ void mem_cgroup_migrate(struct folio *old, struct folio *new)
/* Transfer the charge and the css ref */
commit_charge(new, memcg);
+
+ /* Warning should never happen, so don't worry about refcount non-0 */
+ WARN_ON_ONCE(folio_unqueue_deferred_split(old));
old->memcg_data = 0;
}
@@ -4976,6 +4976,7 @@ void mem_cgroup_swapout(struct folio *folio, swp_entry_t entry)
VM_BUG_ON_FOLIO(oldid, folio);
mod_memcg_state(swap_memcg, MEMCG_SWAP, nr_entries);
+ folio_unqueue_deferred_split(folio);
folio->memcg_data = 0;
if (!mem_cgroup_is_root(memcg))