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mm/mmap: kill hook arch_rebalance_pgtables()

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Nobody uses it.

Signed-off-by: Konstantin Khlebnikov <koct9i@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Konstantin Khlebnikov 2016-05-19 17:12:32 -07:00 committed by Linus Torvalds
parent e87d59f7a2
commit 1269019e69
1 changed files with 0 additions and 5 deletions
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5
mm/mmap.c
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@ -55,10 +55,6 @@
#define arch_mmap_check(addr, len, flags) (0)
#endif
#ifndef arch_rebalance_pgtables
#define arch_rebalance_pgtables(addr, len) (addr)
#endif
#ifdef CONFIG_HAVE_ARCH_MMAP_RND_BITS
const int mmap_rnd_bits_min = CONFIG_ARCH_MMAP_RND_BITS_MIN;
const int mmap_rnd_bits_max = CONFIG_ARCH_MMAP_RND_BITS_MAX;
@ -1911,7 +1907,6 @@ get_unmapped_area(struct file *file, unsigned long addr, unsigned long len,
if (offset_in_page(addr))
return -EINVAL;
addr = arch_rebalance_pgtables(addr, len);
error = security_mmap_addr(addr);
return error ? error : addr;
}