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authorPavel Tatashin <pasha.tatashin@oracle.com>2017-05-31 18:25:23 +0300
committerDavid S. Miller <davem@davemloft.net>2017-06-06 23:45:29 +0300
commit7a5b4bbf49fe86ce77488a70c5dccfe2d50d7a2d (patch)
treed53db5c2f4b5cd9a675a1b3f85fe370ec8a672b5 /arch/sparc/mm
parentc4415235b2be0cc791572e8e7f7466ab8f73a2bf (diff)
downloadlinux-7a5b4bbf49fe86ce77488a70c5dccfe2d50d7a2d.tar.xz
sparc64: add per-cpu mm of secondary contexts
The new wrap is going to use information from this array to figure out mm's that currently have valid secondary contexts setup. Signed-off-by: Pavel Tatashin <pasha.tatashin@oracle.com> Reviewed-by: Bob Picco <bob.picco@oracle.com> Reviewed-by: Steven Sistare <steven.sistare@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc/mm')
-rw-r--r--arch/sparc/mm/init_64.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/sparc/mm/init_64.c b/arch/sparc/mm/init_64.c
index 63b50447bb62..a4c0bc8af820 100644
--- a/arch/sparc/mm/init_64.c
+++ b/arch/sparc/mm/init_64.c
@@ -711,6 +711,7 @@ unsigned long tlb_context_cache = CTX_FIRST_VERSION;
#define MAX_CTX_NR (1UL << CTX_NR_BITS)
#define CTX_BMAP_SLOTS BITS_TO_LONGS(MAX_CTX_NR)
DECLARE_BITMAP(mmu_context_bmap, MAX_CTX_NR);
+DEFINE_PER_CPU(struct mm_struct *, per_cpu_secondary_mm) = {0};
/* Caller does TLB context flushing on local CPU if necessary.
* The caller also ensures that CTX_VALID(mm->context) is false.