Commit 1269019e authored by Konstantin Khlebnikov's avatar Konstantin Khlebnikov Committed by Linus Torvalds
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mm/mmap: kill hook arch_rebalance_pgtables() 



Nobody uses it.

Signed-off-by: default avatarKonstantin Khlebnikov <koct9i@gmail.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent e87d59f7

mm/mmap.c

+0 −5
Original line number Original line Diff line number Diff line
@@ -55,10 +55,6 @@ 
#define arch_mmap_check(addr, len, flags)	(0)

#define arch_mmap_check(addr, len, flags)	(0)

#endif

#endif





#ifndef arch_rebalance_pgtables

#define arch_rebalance_pgtables(addr, len)		(addr)

#endif



#ifdef CONFIG_HAVE_ARCH_MMAP_RND_BITS

#ifdef CONFIG_HAVE_ARCH_MMAP_RND_BITS

const int mmap_rnd_bits_min = CONFIG_ARCH_MMAP_RND_BITS_MIN;

const int mmap_rnd_bits_min = CONFIG_ARCH_MMAP_RND_BITS_MIN;

const int mmap_rnd_bits_max = CONFIG_ARCH_MMAP_RND_BITS_MAX;

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))

	if (offset_in_page(addr))

		return -EINVAL;

		return -EINVAL;





	addr = arch_rebalance_pgtables(addr, len);

	error = security_mmap_addr(addr);

	error = security_mmap_addr(addr);

	return error ? error : addr;

	return error ? error : addr;

}

}