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| author |   Matthew Wilcox (Oracle) <willy@infradead.org> | 2022-09-02 20:46:43 +0100 |
|---|---|---|
| committer |   Andrew Morton <akpm@linux-foundation.org> | 2022-10-03 14:02:53 -0700 |
| commit | 9202d527b715f67bcdccbb9b712b65fe053f8109 (patch) | |
| tree | 14324860c4931c6b545e4ace77faadd3b7c0aa11 | |
| parent | mm: convert do_swap_page() to use folio_free_swap() (diff) | |
| download | linux-dev-9202d527b715f67bcdccbb9b712b65fe053f8109.tar.xz linux-dev-9202d527b715f67bcdccbb9b712b65fe053f8109.zip | |
memcg: convert mem_cgroup_swap_full() to take a folio
All callers now have a folio, so convert the function to take a folio.
Saves a couple of calls to compound_head().
Link: https://lkml.kernel.org/r/20220902194653.1739778-48-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
| -rw-r--r-- | include/linux/swap.h | 4 | ||||
| -rw-r--r-- | mm/memcontrol.c | 6 | ||||
| -rw-r--r-- | mm/memory.c | 2 | ||||
| -rw-r--r-- | mm/swapfile.c | 2 | ||||
| -rw-r--r-- | mm/vmscan.c | 3 |
5 files changed, 8 insertions, 9 deletions
diff --git a/include/linux/swap.h b/include/linux/swap.h index 42cbef554de6..d8bd6401c3e7 100644 --- a/include/linux/swap.h +++ b/include/linux/swap.h @@ -692,7 +692,7 @@ static inline void mem_cgroup_uncharge_swap(swp_entry_t entry, unsigned int nr_p } extern long mem_cgroup_get_nr_swap_pages(struct mem_cgroup *memcg); -extern bool mem_cgroup_swap_full(struct page *page); +extern bool mem_cgroup_swap_full(struct folio *folio); #else static inline void mem_cgroup_swapout(struct folio *folio, swp_entry_t entry) { @@ -714,7 +714,7 @@ static inline long mem_cgroup_get_nr_swap_pages(struct mem_cgroup *memcg) return get_nr_swap_pages(); } -static inline bool mem_cgroup_swap_full(struct page *page) +static inline bool mem_cgroup_swap_full(struct folio *folio) { return vm_swap_full(); } diff --git a/mm/memcontrol.c b/mm/memcontrol.c index 9863fb588972..632402001bca 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -7406,18 +7406,18 @@ long mem_cgroup_get_nr_swap_pages(struct mem_cgroup *memcg) return nr_swap_pages; } -bool mem_cgroup_swap_full(struct page *page) +bool mem_cgroup_swap_full(struct folio *folio) { struct mem_cgroup *memcg; - VM_BUG_ON_PAGE(!PageLocked(page), page); + VM_BUG_ON_FOLIO(!folio_test_locked(folio), folio); if (vm_swap_full()) return true; if (cgroup_memory_noswap || !cgroup_subsys_on_dfl(memory_cgrp_subsys)) return false; - memcg = page_memcg(page); + memcg = folio_memcg(folio); if (!memcg) return false; diff --git a/mm/memory.c b/mm/memory.c index b8e4dae18ac1..2f1a6da7f1e6 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -3647,7 +3647,7 @@ static inline bool should_try_to_free_swap(struct folio *folio, { if (!folio_test_swapcache(folio)) return false; - if (mem_cgroup_swap_full(&folio->page) || (vma->vm_flags & VM_LOCKED) || + if (mem_cgroup_swap_full(folio) || (vma->vm_flags & VM_LOCKED) || folio_test_mlocked(folio)) return true; /* diff --git a/mm/swapfile.c b/mm/swapfile.c index 3820b5ab64d9..4efcfe34e45b 100644 --- a/mm/swapfile.c +++ b/mm/swapfile.c @@ -148,7 +148,7 @@ static int __try_to_reclaim_swap(struct swap_info_struct *si, if (folio_trylock(folio)) { if ((flags & TTRS_ANYWAY) || ((flags & TTRS_UNMAPPED) && !folio_mapped(folio)) || - ((flags & TTRS_FULL) && mem_cgroup_swap_full(&folio->page))) + ((flags & TTRS_FULL) && mem_cgroup_swap_full(folio))) ret = folio_free_swap(folio); folio_unlock(folio); } diff --git a/mm/vmscan.c b/mm/vmscan.c index 1707e3bfcfe4..c5a4bff11da6 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -2047,8 +2047,7 @@ activate_locked_split: activate_locked: /* Not a candidate for swapping, so reclaim swap space. */ if (folio_test_swapcache(folio) && - (mem_cgroup_swap_full(&folio->page) || - folio_test_mlocked(folio))) + (mem_cgroup_swap_full(folio) || folio_test_mlocked(folio))) folio_free_swap(folio); VM_BUG_ON_FOLIO(folio_test_active(folio), folio); if (!folio_test_mlocked(folio)) { |