[18/62] mm/slub: Convert count_partial() to struct slab

Message ID	20211004134650.4031813-19-willy@infradead.org (mailing list archive)
State	New
Headers	show Return-Path: <SRS0=Fowb=OY=kvack.org=owner-linux-mm@kernel.org> DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 0681161216 From: "Matthew Wilcox (Oracle)" <willy@infradead.org> To: linux-mm@kvack.org Cc: "Matthew Wilcox (Oracle)" <willy@infradead.org> Subject: [PATCH 18/62] mm/slub: Convert count_partial() to struct slab Date: Mon, 4 Oct 2021 14:46:06 +0100 Message-Id: <20211004134650.4031813-19-willy@infradead.org> In-Reply-To: <20211004134650.4031813-1-willy@infradead.org> References: <20211004134650.4031813-1-willy@infradead.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Sender: owner-linux-mm@kvack.org Precedence: bulk
Series	Separate struct slab from struct page \| expand [00/62] Separate struct slab from struct page [01/62] mm: Convert page_to_section() to pgflags_section() [02/62] mm: Add pgflags_nid() [03/62] mm: Split slab into its own type [04/62] mm: Add account_slab() and unaccount_slab() [05/62] mm: Convert virt_to_cache() to use struct slab [06/62] mm: Convert __ksize() to struct slab [07/62] mm: Use struct slab in kmem_obj_info() [08/62] mm: Convert check_heap_object() to use struct slab [09/62] mm/slub: Convert process_slab() to take a struct slab [10/62] mm/slub: Convert detached_freelist to use a struct slab [11/62] mm/slub: Convert kfree() to use a struct slab [12/62] mm/slub: Convert __slab_free() to take a struct slab [13/62] mm/slub: Convert new_slab() to return a struct slab [14/62] mm/slub: Convert early_kmem_cache_node_alloc() to use struct slab [15/62] mm/slub: Convert kmem_cache_cpu to struct slab [16/62] mm/slub: Convert show_slab_objects() to struct slab [17/62] mm/slub: Convert validate_slab() to take a struct slab [18/62] mm/slub: Convert count_partial() to struct slab [19/62] mm/slub: Convert bootstrap() to struct slab [20/62] mm/slub: Convert __kmem_cache_do_shrink() to struct slab [21/62] mm/slub: Convert free_partial() to use struct slab [22/62] mm/slub: Convert list_slab_objects() to take a struct slab [23/62] mm/slub: Convert slab_alloc_node() to use a struct slab [24/62] mm/slub: Convert get_freelist() to take a struct slab [25/62] mm/slub: Convert node_match() to take a struct slab [26/62] mm/slub: Convert slab flushing to struct slab [27/62] mm/slub: Convert __unfreeze_partials to take a struct slab [28/62] mm/slub: Convert deactivate_slab() to take a struct slab [29/62] mm/slub: Convert acquire_slab() to take a struct page [30/62] mm/slub: Convert partial slab management to struct slab [31/62] mm/slub: Convert slab freeing to struct slab [32/62] mm/slub: Convert shuffle_freelist to struct slab [33/62] mm/slub: Remove struct page argument to next_freelist_entry() [34/62] mm/slub: Remove struct page argument from setup_object() [35/62] mm/slub: Convert freelist_corrupted() to struct slab [36/62] mm/slub: Convert full slab management to struct slab [37/62] mm/slub: Convert free_consistency_checks() to take a struct slab [38/62] mm/slub: Convert alloc_debug_processing() to struct slab [39/62] mm/slub: Convert check_object() to struct slab [40/62] mm/slub: Convert on_freelist() to struct slab [41/62] mm/slub: Convert check_slab() to struct slab [42/62] mm/slub: Convert check_valid_pointer() to struct slab [43/62] mm/slub: Convert object_err() to take a struct slab [44/62] mm/slub: Convert print_trailer() to struct slab [45/62] mm/slub: Convert slab_err() to take a struct slab [46/62] mm/slub: Convert print_page_info() to print_slab_info() [47/62] mm/slub: Convert trace() to take a struct slab [48/62] mm/slub: Convert cmpxchg_double_slab to struct slab [49/62] mm/slub: Convert get_map() and __fill_map() to struct slab [50/62] mm/slub: Convert slab_lock() and slab_unlock() to struct slab [51/62] mm/slub: Convert setup_page_debug() to setup_slab_debug() [52/62] mm/slub: Convert pfmemalloc_match() to take a struct slab [53/62] mm/slub: Remove pfmemalloc_match_unsafe() [54/62] mm: Convert slab to use struct slab [55/62] mm: Convert slob to use struct slab [56/62] mm: Convert slub to use struct slab [57/62] memcg: Convert object cgroups from struct page to struct slab [58/62] mm/kasan: Convert to struct slab [59/62] zsmalloc: Stop using slab fields in struct page [60/62] bootmem: Use page->index instead of page->freelist [61/62] iommu: Use put_pages_list [62/62] mm: Remove slab from struct page

Message ID

20211004134650.4031813-19-willy@infradead.org (mailing list archive)

State

New

Headers

DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 0681161216
From: "Matthew Wilcox (Oracle)" <willy@infradead.org>
To: linux-mm@kvack.org
Cc: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Subject: [PATCH 18/62] mm/slub: Convert count_partial() to struct slab
Date: Mon,  4 Oct 2021 14:46:06 +0100
Message-Id: <20211004134650.4031813-19-willy@infradead.org>
In-Reply-To: <20211004134650.4031813-1-willy@infradead.org>
References: <20211004134650.4031813-1-willy@infradead.org>
MIME-Version: 1.0
Content-Transfer-Encoding: quoted-printable
Sender: owner-linux-mm@kvack.org
Precedence: bulk

Series

Separate struct slab from struct page | expand

Commit Message

Matthew Wilcox (Oracle) Oct. 4, 2021, 1:46 p.m. UTC

Convert all its helper functions at the same time.  Adds a little
typesafety.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
---
 mm/slub.c | 20 ++++++++++----------
 1 file changed, 10 insertions(+), 10 deletions(-)

diff --git a/mm/slub.c b/mm/slub.c
index 5e10a9cc6939..fc1a7f7832c0 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -2730,9 +2730,9 @@  static inline int node_match(struct page *page, int node)
 }
 
 #ifdef CONFIG_SLUB_DEBUG
-static int count_free(struct page *page)
+static int count_free(struct slab *slab)
 {
-	return page->objects - page->inuse;
+	return slab->objects - slab->inuse;
 }
 
 static inline unsigned long node_nr_objs(struct kmem_cache_node *n)
@@ -2743,15 +2743,15 @@  static inline unsigned long node_nr_objs(struct kmem_cache_node *n)
 
 #if defined(CONFIG_SLUB_DEBUG) || defined(CONFIG_SYSFS)
 static unsigned long count_partial(struct kmem_cache_node *n,
-					int (*get_count)(struct page *))
+					int (*get_count)(struct slab *))
 {
 	unsigned long flags;
 	unsigned long x = 0;
-	struct page *page;
+	struct slab *slab;
 
 	spin_lock_irqsave(&n->list_lock, flags);
-	list_for_each_entry(page, &n->partial, slab_list)
-		x += get_count(page);
+	list_for_each_entry(slab, &n->partial, slab_list)
+		x += get_count(slab);
 	spin_unlock_irqrestore(&n->list_lock, flags);
 	return x;
 }
@@ -4944,14 +4944,14 @@  EXPORT_SYMBOL(__kmalloc_node_track_caller);
 #endif
 
 #ifdef CONFIG_SYSFS
-static int count_inuse(struct page *page)
+static int count_inuse(struct slab *slab)
 {
-	return page->inuse;
+	return slab->inuse;
 }
 
-static int count_total(struct page *page)
+static int count_total(struct slab *slab)
 {
-	return page->objects;
+	return slab->objects;
 }
 #endif

[18/62] mm/slub: Convert count_partial() to struct slab

Commit Message

Patch