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-rw-r--r--include/linux/mm_types.h28
-rw-r--r--include/linux/page-flags.h37
-rw-r--r--mm/slab.h6
3 files changed, 0 insertions, 71 deletions
diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h
index 3764c1b51b02..9db36dc5d4cf 100644
--- a/include/linux/mm_types.h
+++ b/include/linux/mm_types.h
@@ -119,31 +119,6 @@ struct page {
atomic_long_t pp_frag_count;
};
};
- struct { /* slab, slob and slub */
- union {
- struct list_head slab_list;
- struct { /* Partial pages */
- struct page *next;
-#ifdef CONFIG_64BIT
- int pages; /* Nr of pages left */
-#else
- short int pages;
-#endif
- };
- };
- struct kmem_cache *slab_cache; /* not slob */
- /* Double-word boundary */
- void *freelist; /* first free object */
- union {
- void *s_mem; /* slab: first object */
- unsigned long counters; /* SLUB */
- struct { /* SLUB */
- unsigned inuse:16;
- unsigned objects:15;
- unsigned frozen:1;
- };
- };
- };
struct { /* Tail pages of compound page */
unsigned long compound_head; /* Bit zero is set */
@@ -207,9 +182,6 @@ struct page {
* which are currently stored here.
*/
unsigned int page_type;
-
- unsigned int active; /* SLAB */
- int units; /* SLOB */
};
/* Usage count. *DO NOT USE DIRECTLY*. See page_ref.h */
diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h
index 129421002443..1c3b6e5c8bfd 100644
--- a/include/linux/page-flags.h
+++ b/include/linux/page-flags.h
@@ -920,43 +920,6 @@ extern bool is_free_buddy_page(struct page *page);
__PAGEFLAG(Isolated, isolated, PF_ANY);
-/*
- * If network-based swap is enabled, sl*b must keep track of whether pages
- * were allocated from pfmemalloc reserves.
- */
-static inline int PageSlabPfmemalloc(struct page *page)
-{
- VM_BUG_ON_PAGE(!PageSlab(page), page);
- return PageActive(page);
-}
-
-/*
- * A version of PageSlabPfmemalloc() for opportunistic checks where the page
- * might have been freed under us and not be a PageSlab anymore.
- */
-static inline int __PageSlabPfmemalloc(struct page *page)
-{
- return PageActive(page);
-}
-
-static inline void SetPageSlabPfmemalloc(struct page *page)
-{
- VM_BUG_ON_PAGE(!PageSlab(page), page);
- SetPageActive(page);
-}
-
-static inline void __ClearPageSlabPfmemalloc(struct page *page)
-{
- VM_BUG_ON_PAGE(!PageSlab(page), page);
- __ClearPageActive(page);
-}
-
-static inline void ClearPageSlabPfmemalloc(struct page *page)
-{
- VM_BUG_ON_PAGE(!PageSlab(page), page);
- ClearPageActive(page);
-}
-
#ifdef CONFIG_MMU
#define __PG_MLOCKED (1UL << PG_mlocked)
#else
diff --git a/mm/slab.h b/mm/slab.h
index 7edb7d23f141..c7f2abc2b154 100644
--- a/mm/slab.h
+++ b/mm/slab.h
@@ -67,14 +67,8 @@ struct slab {
static_assert(offsetof(struct page, pg) == offsetof(struct slab, sl))
SLAB_MATCH(flags, __page_flags);
SLAB_MATCH(compound_head, slab_list); /* Ensure bit 0 is clear */
-SLAB_MATCH(slab_list, slab_list);
#ifndef CONFIG_SLOB
SLAB_MATCH(rcu_head, rcu_head);
-SLAB_MATCH(slab_cache, slab_cache);
-#endif
-#ifdef CONFIG_SLAB
-SLAB_MATCH(s_mem, s_mem);
-SLAB_MATCH(active, active);
#endif
SLAB_MATCH(_refcount, __page_refcount);
#ifdef CONFIG_MEMCG