mm: remove the page size change check in tlb_remove_page
authorAneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Tue, 13 Dec 2016 00:42:43 +0000 (16:42 -0800)
committerLinus Torvalds <torvalds@linux-foundation.org>
Tue, 13 Dec 2016 02:55:07 +0000 (18:55 -0800)
commit692a68c1544d6be4ba7c6e929e9c7b2ba0447b91
treea8d1ee7cb797cb64a260c229b8ce67926657166a
parent07e326610e5634e5038fce32fff370949eb42101
mm: remove the page size change check in tlb_remove_page

Now that we check for page size change early in the loop, we can
partially revert e9d55e157034a ("mm: change the interface for
__tlb_remove_page").

This simplies the code much, by removing the need to track the last
address with which we adjusted the range.  We also go back to the older
way of filling the mmu_gather array, ie, we add an entry and then check
whether the gather batch is full.

Link: http://lkml.kernel.org/r/20161026084839.27299-6-aneesh.kumar@linux.vnet.ibm.com
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Cc: "Kirill A. Shutemov" <kirill@shutemov.name>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Ross Zwisler <ross.zwisler@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
arch/arm/include/asm/tlb.h
arch/ia64/include/asm/tlb.h
arch/s390/include/asm/tlb.h
arch/sh/include/asm/tlb.h
arch/um/include/asm/tlb.h
include/asm-generic/tlb.h
mm/memory.c