diff options
Diffstat (limited to 'arch/powerpc/mm/book3s64/subpage_prot.c')
| -rw-r--r-- | arch/powerpc/mm/book3s64/subpage_prot.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/arch/powerpc/mm/book3s64/subpage_prot.c b/arch/powerpc/mm/book3s64/subpage_prot.c index 6c9d5415aa72..e814d34bf7f4 100644 --- a/arch/powerpc/mm/book3s64/subpage_prot.c +++ b/arch/powerpc/mm/book3s64/subpage_prot.c @@ -94,7 +94,7 @@ static void subpage_prot_clear(unsigned long addr, unsigned long len) size_t nw; unsigned long next, limit; - down_write(&mm->mmap_sem); + mmap_write_lock(mm); spt = mm_ctx_subpage_prot(&mm->context); if (!spt) @@ -129,7 +129,7 @@ static void subpage_prot_clear(unsigned long addr, unsigned long len) } err_out: - up_write(&mm->mmap_sem); + mmap_write_unlock(mm); } #ifdef CONFIG_TRANSPARENT_HUGEPAGE @@ -219,7 +219,7 @@ SYSCALL_DEFINE3(subpage_prot, unsigned long, addr, if (!access_ok(map, (len >> PAGE_SHIFT) * sizeof(u32))) return -EFAULT; - down_write(&mm->mmap_sem); + mmap_write_lock(mm); spt = mm_ctx_subpage_prot(&mm->context); if (!spt) { @@ -269,11 +269,11 @@ SYSCALL_DEFINE3(subpage_prot, unsigned long, addr, if (addr + (nw << PAGE_SHIFT) > next) nw = (next - addr) >> PAGE_SHIFT; - up_write(&mm->mmap_sem); + mmap_write_unlock(mm); if (__copy_from_user(spp, map, nw * sizeof(u32))) return -EFAULT; map += nw; - down_write(&mm->mmap_sem); + mmap_write_lock(mm); /* now flush any existing HPTEs for the range */ hpte_flush_range(mm, addr, nw); @@ -282,6 +282,6 @@ SYSCALL_DEFINE3(subpage_prot, unsigned long, addr, spt->maxaddr = limit; err = 0; out: - up_write(&mm->mmap_sem); + mmap_write_unlock(mm); return err; } |