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Subject[PATCH RFC PKS/PMEM 54/58] powerpc: Utilize new kmap_thread()
Date
From: Ira Weiny <ira.weiny@intel.com>

These kmap() calls are localized to a single thread. To avoid the over
head of global PKRS updates use the new kmap_thread() call.

Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Ira Weiny <ira.weiny@intel.com>
---
arch/powerpc/mm/mem.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c
index 42e25874f5a8..6ef557b8dda6 100644
--- a/arch/powerpc/mm/mem.c
+++ b/arch/powerpc/mm/mem.c
@@ -573,9 +573,9 @@ void flush_icache_user_page(struct vm_area_struct *vma, struct page *page,
{
unsigned long maddr;

- maddr = (unsigned long) kmap(page) + (addr & ~PAGE_MASK);
+ maddr = (unsigned long) kmap_thread(page) + (addr & ~PAGE_MASK);
flush_icache_range(maddr, maddr + len);
- kunmap(page);
+ kunmap_thread(page);
}

/*
--
2.28.0.rc0.12.gb6a658bd00c9
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