From: Ira Weiny <ira.weiny@xxxxxxxxx>
These kmap() calls are localized to a single thread. To avoid the over head of
global PKRS updates use the new kmap_thread() call.
Signed-off-by: Ira Weiny <ira.weiny@xxxxxxxxx>
---
fs/isofs/compress.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/fs/isofs/compress.c b/fs/isofs/compress.c
index bc12ac7e2312..ddd3fd99d2e1 100644
--- a/fs/isofs/compress.c
+++ b/fs/isofs/compress.c
@@ -344,7 +344,7 @@ static int zisofs_readpage(struct file *file, struct page *page)
pages[i] = grab_cache_page_nowait(mapping, index);
if (pages[i]) {
ClearPageError(pages[i]);
- kmap(pages[i]);
+ kmap_thread(pages[i]);
}
}
@@ -356,7 +356,7 @@ static int zisofs_readpage(struct file *file, struct page *page)
flush_dcache_page(pages[i]);
if (i == full_page && err)
SetPageError(pages[i]);
- kunmap(pages[i]);
+ kunmap_thread(pages[i]);
unlock_page(pages[i]);
if (i != full_page)
put_page(pages[i]);
--
2.28.0.rc0.12.gb6a658bd00c9
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