mirrors/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2024-09-20 09:31:09 +00:00
Code Issues Releases Wiki Activity

powerpc/nohash: Update 64K nohash config to have 32 pte fragement

Browse source 
They don't need to track 4k subpage slot details and hence don't need
second half of pgtable_t.

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Aneesh Kumar K.V 2015-12-01 09:06:57 +05:30 committed by Michael Ellerman
parent 4d9057c39a
commit cc50380db3
1 changed files with 3 additions and 3 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
arch/powerpc/include/asm/nohash/64/pgtable-64k.h
View file

@ -10,14 +10,14 @@
#define PGD_INDEX_SIZE 12
/*
* we support 16 fragments per PTE page of 64K size.
* we support 32 fragments per PTE page of 64K size
*/
#define PTE_FRAG_NR 16
#define PTE_FRAG_NR 32
/*
* We use a 2K PTE page fragment and another 2K for storing
* real_pte_t hash index
*/
#define PTE_FRAG_SIZE_SHIFT 12
#define PTE_FRAG_SIZE_SHIFT 11
#define PTE_FRAG_SIZE (1UL << PTE_FRAG_SIZE_SHIFT)
#ifndef __ASSEMBLY__