diff options
author | Guo Ren <ren_guo@c-sky.com> | 2019-08-20 15:31:29 +0800 |
---|---|---|
committer | Guo Ren <ren_guo@c-sky.com> | 2019-08-20 16:09:37 +0800 |
commit | be819aa6f11145de32dab8690ec6055348488c18 (patch) | |
tree | 88175e0f8e4f9431d23dc581cef389c3e41fcf68 /arch/csky/abiv1/inc | |
parent | 5336c17928cc464845ff765ce45b368c22f848e0 (diff) | |
download | linux-be819aa6f11145de32dab8690ec6055348488c18.tar.gz |
csky: Fixup arch_get_unmapped_area() implementation
Current arch_get_unmapped_area() of abiv1 doesn't use standard kernel
api. After referring to the implementation of arch/arm, we implement
it with vm_unmapped_area() from linux/mm.h.
Signed-off-by: Guo Ren <ren_guo@c-sky.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'arch/csky/abiv1/inc')
-rw-r--r-- | arch/csky/abiv1/inc/abi/page.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/arch/csky/abiv1/inc/abi/page.h b/arch/csky/abiv1/inc/abi/page.h index 6336e92a103a..c864519117c7 100644 --- a/arch/csky/abiv1/inc/abi/page.h +++ b/arch/csky/abiv1/inc/abi/page.h @@ -1,13 +1,14 @@ /* SPDX-License-Identifier: GPL-2.0 */ // Copyright (C) 2018 Hangzhou C-SKY Microsystems co.,ltd. -extern unsigned long shm_align_mask; +#include <asm/shmparam.h> + extern void flush_dcache_page(struct page *page); static inline unsigned long pages_do_alias(unsigned long addr1, unsigned long addr2) { - return (addr1 ^ addr2) & shm_align_mask; + return (addr1 ^ addr2) & (SHMLBA-1); } static inline void clear_user_page(void *addr, unsigned long vaddr, |