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. Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> Signed-off-by: Ira Weiny <ira.weiny@xxxxxxxxx> --- drivers/staging/rts5208/rtsx_transport.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/staging/rts5208/rtsx_transport.c b/drivers/staging/rts5208/rtsx_transport.c index 0027bcf638ad..f747cc23951b 100644 --- a/drivers/staging/rts5208/rtsx_transport.c +++ b/drivers/staging/rts5208/rtsx_transport.c @@ -92,13 +92,13 @@ unsigned int rtsx_stor_access_xfer_buf(unsigned char *buffer, while (sglen > 0) { unsigned int plen = min(sglen, (unsigned int) PAGE_SIZE - poff); - unsigned char *ptr = kmap(page); + unsigned char *ptr = kmap_thread(page); if (dir == TO_XFER_BUF) memcpy(ptr + poff, buffer + cnt, plen); else memcpy(buffer + cnt, ptr + poff, plen); - kunmap(page); + kunmap_thread(page); /* Start at the beginning of the next page */ poff = 0; -- 2.28.0.rc0.12.gb6a658bd00c9