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linux/arch/powerpc/mm
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Aneesh Kumar K.V a707569270 powerpc/mm/hash: Handle mmap_min_addr correctly in get_unmapped_area topdown search 
commit 3b4d07d267 upstream.

When doing top-down search the low_limit is not PAGE_SIZE but rather
max(PAGE_SIZE, mmap_min_addr). This handle cases in which mmap_min_addr >
PAGE_SIZE.

Fixes: fba2369e6c ("mm: use vm_unmapped_area() on powerpc architecture")
Reviewed-by: Laurent Dufour <ldufour@linux.vnet.ibm.com>
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
[bwh: Backported to 3.16: adjust context]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
History 2019-07-09 22:04:07 +01:00
..
40x_mmu.c memblock: Remove rmo_size, burry it in arch/powerpc where it belongs 2010-08-05 12:56:08 +10:00
44x_mmu.c powerpc: Delete __cpuinit usage from all users 2013-07-01 11:10:36 +10:00
dma-noncoherent.c mm/arch: use __free_reserved_page() to simplify the code 2013-11-13 12:09:03 +09:00
fault.c vm: add VM_FAULT_SIGSEGV handling support 2015-02-04 10:58:27 +00:00
fsl_booke_mmu.c powerpc/e6500: TLB miss handler with hardware tablewalk support 2014-01-09 17:52:19 -06:00
gup.c powerpc/mm: NUMA pte should be handled via slow path in get_user_pages_fast() 2014-04-09 12:53:03 +10:00
hash_low_32.S powerpc: Use CURRENT_THREAD_INFO instead of open coded assembly 2012-07-11 14:18:22 +10:00
hash_low_64.S powerpc: Fix branch patching code for ABIv2 2014-04-23 10:05:22 +10:00
hash_native_64.c powerpc/thp: Invalidate with vpn in loop 2014-09-17 09:21:57 -07:00
hash_utils_64.c powerpc/mm: Fix check of multiple 16G pages from device tree 2017-11-26 13:50:15 +00:00
highmem.c mm: fix race in kunmap_atomic() 2010-10-27 18:03:05 -07:00
hugepage-hash64.c powerpc/mm: Recompute hash value after a failed update 2015-10-06 11:52:29 +01:00
hugetlbpage-book3e.c powerpc/fsl-book3e-64: Use paca for hugetlb TLB1 entry selection 2014-01-09 17:52:20 -06:00
hugetlbpage-hash64.c powerpc/mm: Free up _PAGE_COHERENCE for numa fault use later 2013-12-09 11:40:28 +11:00
hugetlbpage.c powerpc/mm/hugetlb: initialize the pagetable cache correctly for hugetlb 2018-10-21 08:45:11 +01:00
icswx.c powerpc: Fix typo "CONFIG_ICSWX_PID" 2013-04-18 13:03:54 +10:00
icswx.h powerpc/icswx: Fix race condition with IPI setting ACOP 2012-03-07 17:06:09 +11:00
icswx_pid.c powerpc: Split ICSWX ACOP and PID processing 2011-11-25 14:11:27 +11:00
init_32.c powerpc/8xx: Fixing memory init issue with CONFIG_PIN_TLB 2013-10-28 21:11:22 -05:00
init_64.c powerpc/mm: Build fix for non SPARSEMEM_VMEMAP config 2017-11-26 13:50:14 +00:00
Makefile powerpc/THP: Add code to handle HPTE faults for hugepages 2013-06-21 16:01:56 +10:00
mem.c powerpc/pseries: Use remove_memory() to remove memory 2014-03-07 15:53:13 +11:00
mmap.c mm: remove free_area_cache 2013-07-10 18:11:34 -07:00
mmu_context_hash32.c powerpc: include export.h for files using EXPORT_SYMBOL/THIS_MODULE 2011-10-31 19:30:38 -04:00
mmu_context_hash64.c powerpc: Reduce PTE table memory wastage 2013-04-30 16:00:07 +10:00
mmu_context_nohash.c powerpc: Clean up MMU_FTRS_A2 and MMU_FTR_TYPE_3E 2014-07-11 12:55:05 +10:00
mmu_decl.h powerpc/fsl_booke: smp support for booting a relocatable kernel above 64M 2014-01-09 17:52:18 -06:00
numa.c powerpc/pseries: Fix unitialized timer reset on migration 2018-12-16 22:09:25 +00:00
pgtable.c powerpc: Delete non-required instances of include <linux/init.h> 2014-01-15 13:46:44 +11:00
pgtable_32.c powerpc: add barrier after writing kernel PTE 2014-01-09 17:52:19 -06:00
pgtable_64.c powerpc: drop _PAGE_FILE and pte_file()-related helpers 2018-10-03 04:09:59 +01:00
ppc_mmu_32.c memblock: Remove rmo_size, burry it in arch/powerpc where it belongs 2010-08-05 12:56:08 +10:00
slb.c Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc 2014-06-10 18:54:22 -07:00
slb_low.S Merge remote-tracking branch 'anton/abiv2' into next 2014-05-05 20:57:12 +10:00
slice.c powerpc/mm/hash: Handle mmap_min_addr correctly in get_unmapped_area topdown search 2019-07-09 22:04:07 +01:00
stab.c powerpc/mm: Remove uses of abs_to_virt() and virt_to_abs() 2012-09-05 15:19:31 +10:00
subpage-prot.c powerpc/mm/hash: Free the subpage_prot_table correctly 2017-11-11 13:33:09 +00:00
tlb_hash32.c powerpc: include export.h for files using EXPORT_SYMBOL/THIS_MODULE 2011-10-31 19:30:38 -04:00
tlb_hash64.c powerpc/thp: Handle combo pages in invalidate 2014-09-17 09:21:57 -07:00
tlb_low_64e.S powerpc/booke64: Use SPRG_TLB_EXFRAME on bolted handlers 2014-03-19 19:57:15 -05:00
tlb_nohash.c powerpc/fsl-booke64: Set vmemmap_psize to 4K 2014-05-22 18:08:12 -05:00
tlb_nohash_low.S powerpc/fsl_booke: smp support for booting a relocatable kernel above 64M 2014-01-09 17:52:18 -06:00