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| author | Vlastimil Babka <vbabka@suse.cz> | 2023-02-21 13:49:14 +0300 |
|---|---|---|
| committer | Vlastimil Babka <vbabka@suse.cz> | 2023-02-21 13:49:14 +0300 |
| commit | 0028517724a520cce416ab69e3f3ea0632ee20c0 (patch) | |
| tree | a51cd1a2da38a99cec13accfbba029137e3c4ca3 /mm/slab.c | |
| parent | cc2e9d2b26c86c1dd8687f6916e5f621bcacd6f7 (diff) | |
| parent | 81ce2ebd194cf32027854ce1c703b7fd129c86b8 (diff) | |
| download | linux-0028517724a520cce416ab69e3f3ea0632ee20c0.tar.xz | |
Merge branch 'slab/for-6.3/cleanups' into slab/for-linus
A bunch of cleanups for SLAB and SLUB:
- Use the standard idiom to get head page of folio (by SeongJae Park)
- Simplify and inline is_debug_pagealloc_cache() in SLAB (by lvqian)
- Remove unused variable in SLAB (by Gou Hao)
Diffstat (limited to 'mm/slab.c')
| -rw-r--r-- | mm/slab.c | 16 |
1 files changed, 5 insertions, 11 deletions
diff --git a/mm/slab.c b/mm/slab.c index 29300fc1289a..aa31cb78b840 100644 --- a/mm/slab.c +++ b/mm/slab.c @@ -220,7 +220,6 @@ static inline void fixup_objfreelist_debug(struct kmem_cache *cachep, static inline void fixup_slab_list(struct kmem_cache *cachep, struct kmem_cache_node *n, struct slab *slab, void **list); -static int slab_early_init = 1; #define INDEX_NODE kmalloc_index(sizeof(struct kmem_cache_node)) @@ -1249,8 +1248,6 @@ void __init kmem_cache_init(void) slab_state = PARTIAL_NODE; setup_kmalloc_cache_index_table(); - slab_early_init = 0; - /* 5) Replace the bootstrap kmem_cache_node */ { int nid; @@ -1389,7 +1386,7 @@ static void kmem_freepages(struct kmem_cache *cachep, struct slab *slab) BUG_ON(!folio_test_slab(folio)); __slab_clear_pfmemalloc(slab); - page_mapcount_reset(folio_page(folio, 0)); + page_mapcount_reset(&folio->page); folio->mapping = NULL; /* Make the mapping reset visible before clearing the flag */ smp_wmb(); @@ -1398,7 +1395,7 @@ static void kmem_freepages(struct kmem_cache *cachep, struct slab *slab) if (current->reclaim_state) current->reclaim_state->reclaimed_slab += 1 << order; unaccount_slab(slab, order, cachep); - __free_pages(folio_page(folio, 0), order); + __free_pages(&folio->page, order); } static void kmem_rcu_free(struct rcu_head *head) @@ -1413,13 +1410,10 @@ static void kmem_rcu_free(struct rcu_head *head) } #if DEBUG -static bool is_debug_pagealloc_cache(struct kmem_cache *cachep) +static inline bool is_debug_pagealloc_cache(struct kmem_cache *cachep) { - if (debug_pagealloc_enabled_static() && OFF_SLAB(cachep) && - (cachep->size % PAGE_SIZE) == 0) - return true; - - return false; + return debug_pagealloc_enabled_static() && OFF_SLAB(cachep) && + ((cachep->size % PAGE_SIZE) == 0); } #ifdef CONFIG_DEBUG_PAGEALLOC |