Nitin Gupta 24e49ee3d7 sparc64: Reduce TLB flushes during hugepte changes ... During hugepage map/unmap, TSB and TLB flushes are currently issued at every PAGE_SIZE'd boundary which is unnecessary. We now issue the flush at REAL_HPAGE_SIZE boundaries only. Without this patch workloads which unmap a large hugepage backed VMA region get CPU lockups due to excessive TLB flush calls. Orabug: 22365539, 22643230, 22995196 Signed-off-by: Nitin Gupta <nitin.m.gupta@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>		2016-05-20 18:44:27 -07:00
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asm	sparc64: Reduce TLB flushes during hugepte changes	2016-05-20 18:44:27 -07:00
uapi/asm	sparc: Write up preadv2/pwritev2 syscalls.	2016-03-29 18:39:26 -07:00