diff options
Diffstat (limited to 'arch/powerpc/mm/pgtable-frag.c')
-rw-r--r-- | arch/powerpc/mm/pgtable-frag.c | 34 |
1 files changed, 15 insertions, 19 deletions
diff --git a/arch/powerpc/mm/pgtable-frag.c b/arch/powerpc/mm/pgtable-frag.c index e89f64a0f24a..77e55eac16e4 100644 --- a/arch/powerpc/mm/pgtable-frag.c +++ b/arch/powerpc/mm/pgtable-frag.c @@ -25,7 +25,7 @@ void pte_frag_destroy(void *pte_frag) count = ((unsigned long)pte_frag & ~PAGE_MASK) >> PTE_FRAG_SIZE_SHIFT; /* We allow PTE_FRAG_NR fragments from a PTE page */ if (atomic_sub_and_test(PTE_FRAG_NR - count, &ptdesc->pt_frag_refcount)) { - pagetable_pte_dtor(ptdesc); + pagetable_dtor(ptdesc); pagetable_free(ptdesc); } } @@ -56,19 +56,17 @@ static pte_t *__alloc_for_ptecache(struct mm_struct *mm, int kernel) { void *ret = NULL; struct ptdesc *ptdesc; + gfp_t gfp = PGALLOC_GFP; - if (!kernel) { - ptdesc = pagetable_alloc(PGALLOC_GFP | __GFP_ACCOUNT, 0); - if (!ptdesc) - return NULL; - if (!pagetable_pte_ctor(ptdesc)) { - pagetable_free(ptdesc); - return NULL; - } - } else { - ptdesc = pagetable_alloc(PGALLOC_GFP, 0); - if (!ptdesc) - return NULL; + if (!kernel) + gfp |= __GFP_ACCOUNT; + + ptdesc = pagetable_alloc(gfp, 0); + if (!ptdesc) + return NULL; + if (!pagetable_pte_ctor(mm, ptdesc)) { + pagetable_free(ptdesc); + return NULL; } atomic_set(&ptdesc->pt_frag_refcount, 1); @@ -111,7 +109,7 @@ static void pte_free_now(struct rcu_head *head) struct ptdesc *ptdesc; ptdesc = container_of(head, struct ptdesc, pt_rcu_head); - pagetable_pte_dtor(ptdesc); + pagetable_dtor(ptdesc); pagetable_free(ptdesc); } @@ -124,12 +122,10 @@ void pte_fragment_free(unsigned long *table, int kernel) BUG_ON(atomic_read(&ptdesc->pt_frag_refcount) <= 0); if (atomic_dec_and_test(&ptdesc->pt_frag_refcount)) { - if (kernel) - pagetable_free(ptdesc); - else if (folio_test_clear_active(ptdesc_folio(ptdesc))) - call_rcu(&ptdesc->pt_rcu_head, pte_free_now); - else + if (kernel || !folio_test_clear_active(ptdesc_folio(ptdesc))) pte_free_now(&ptdesc->pt_rcu_head); + else + call_rcu(&ptdesc->pt_rcu_head, pte_free_now); } } |