[PATCH] mm/mmap: kill hook arch_rebalance_pgtables

From: Konstantin Khlebnikov
Date: Sun Apr 03 2016 - 01:47:06 EST


Nobody use it.

Signed-off-by: Konstantin Khlebnikov <koct9i@xxxxxxxxx>
---
mm/mmap.c | 5 -----
1 file changed, 5 deletions(-)

diff --git a/mm/mmap.c b/mm/mmap.c
index bd2e1a533bc1..fba246b8f1a5 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -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;
}