diff options
| author | Nicholas Piggin <npiggin@gmail.com> | 2017-11-09 20:27:40 +0300 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2017-11-13 15:35:43 +0300 |
| commit | 4722476bce283149986a3463f61009dec0e7f6a1 (patch) | |
| tree | 87ce6b6610eea7d259ff119c2c63dd8937aa8702 /arch/powerpc/mm/mmap.c | |
| parent | 85e3f1adcb9d49300b0a943bb93f9604be375bfb (diff) | |
| download | linux-4722476bce283149986a3463f61009dec0e7f6a1.tar.xz | |
powerpc/64s: mm_context.addr_limit is only used on hash
Radix keeps no meaningful state in addr_limit, so remove it from radix
code and rename to slb_addr_limit to make it clear it applies to hash
only.
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Reviewed-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/mm/mmap.c')
| -rw-r--r-- | arch/powerpc/mm/mmap.c | 18 |
1 files changed, 4 insertions, 14 deletions
diff --git a/arch/powerpc/mm/mmap.c b/arch/powerpc/mm/mmap.c index 6d476a7b5611..d503f344e476 100644 --- a/arch/powerpc/mm/mmap.c +++ b/arch/powerpc/mm/mmap.c @@ -116,17 +116,12 @@ radix__arch_get_unmapped_area(struct file *filp, unsigned long addr, if (len > high_limit) return -ENOMEM; + if (fixed) { if (addr > high_limit - len) return -ENOMEM; - } - - if (unlikely(addr > mm->context.addr_limit && - mm->context.addr_limit != TASK_SIZE)) - mm->context.addr_limit = TASK_SIZE; - - if (fixed) return addr; + } if (addr) { addr = PAGE_ALIGN(addr); @@ -165,17 +160,12 @@ radix__arch_get_unmapped_area_topdown(struct file *filp, if (len > high_limit) return -ENOMEM; + if (fixed) { if (addr > high_limit - len) return -ENOMEM; - } - - if (unlikely(addr > mm->context.addr_limit && - mm->context.addr_limit != TASK_SIZE)) - mm->context.addr_limit = TASK_SIZE; - - if (fixed) return addr; + } if (addr) { addr = PAGE_ALIGN(addr); |