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| author |   Martin Schwidefsky <schwidefsky@de.ibm.com> | 2010-10-25 16:10:11 +0200 |
|---|---|---|
| committer |   Martin Schwidefsky <sky@mschwide.boeblingen.de.ibm.com> | 2010-10-25 16:10:15 +0200 |
| commit | 80217147a3d80c8a4e48f06e2f6e965455f3fe2a (patch) | |
| tree | b419ae9ee3ab0e5b92c0ed2a30ff59b76d6a4978 /arch/s390/include/asm/pgalloc.h | |
| parent | [S390] set ARCH_HAS_SG_CHAIN for s390 (diff) | |
| download | linux-dev-80217147a3d80c8a4e48f06e2f6e965455f3fe2a.tar.xz linux-dev-80217147a3d80c8a4e48f06e2f6e965455f3fe2a.zip | |
[S390] lockless get_user_pages_fast()
Implement get_user_pages_fast without locking in the fastpath on s390.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/include/asm/pgalloc.h')
| -rw-r--r-- | arch/s390/include/asm/pgalloc.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/s390/include/asm/pgalloc.h b/arch/s390/include/asm/pgalloc.h index 68940d0bad91..082eb4e50e8b 100644 --- a/arch/s390/include/asm/pgalloc.h +++ b/arch/s390/include/asm/pgalloc.h @@ -21,9 +21,11 @@ unsigned long *crst_table_alloc(struct mm_struct *, int); void crst_table_free(struct mm_struct *, unsigned long *); +void crst_table_free_rcu(struct mm_struct *, unsigned long *); unsigned long *page_table_alloc(struct mm_struct *); void page_table_free(struct mm_struct *, unsigned long *); +void page_table_free_rcu(struct mm_struct *, unsigned long *); void disable_noexec(struct mm_struct *, struct task_struct *); static inline void clear_table(unsigned long *s, unsigned long val, size_t n) @@ -176,4 +178,6 @@ static inline void pmd_populate(struct mm_struct *mm, #define pte_free_kernel(mm, pte) page_table_free(mm, (unsigned long *) pte) #define pte_free(mm, pte) page_table_free(mm, (unsigned long *) pte) +extern void rcu_table_freelist_finish(void); + #endif /* _S390_PGALLOC_H */ |