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linux-next: build failure after merge of the akpm-current tree

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Hi Andrew,

After merging the akpm-current tree, today's linux-next build (powerpc
ppc64_defconfig) failed like this:

arch/powerpc/mm/hash_utils_64.c: In function 'htab_bolt_mapping':
arch/powerpc/mm/hash_utils_64.c:260:28: error: 'linear_map_hash_count' undeclared (first use in this function)
    (paddr >> PAGE_SHIFT) < linear_map_hash_count)
                            ^
arch/powerpc/mm/hash_utils_64.c:260:28: note: each undeclared identifier is reported only once for each function it appears in
arch/powerpc/mm/hash_utils_64.c:261:4: error: 'linear_map_hash_slots' undeclared (first use in this function)
    linear_map_hash_slots[paddr >> PAGE_SHIFT] = ret | 0x80;
    ^
arch/powerpc/mm/hash_utils_64.c: In function 'htab_initialize':
arch/powerpc/mm/hash_utils_64.c:724:3: error: 'linear_map_hash_count' undeclared (first use in this function)
   linear_map_hash_count = memblock_end_of_DRAM() >> PAGE_SHIFT;
   ^
arch/powerpc/mm/hash_utils_64.c:725:3: error: 'linear_map_hash_slots' undeclared (first use in this function)
   linear_map_hash_slots = __va(memblock_alloc_base(
   ^

Caused by commit

  79581c9f284e ("powerpc: query dynamic DEBUG_PAGEALLOC setting")

The CONFIG_DEBUG_PAGEALLOC stuff in this file depends on extra data
being kept which was left under CONFIG_DEBUG_PAGEALLOC protection.

I just reverted this commit for today.

-- 
Cheers,
Stephen Rothwell

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linux-next: build failure after merge of the akpm-current tree Stephen Rothwell <sfr@canb.auug.org.au> - 2016-02-08 06:00 +0100

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