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| author | Pavel Tatashin <pasha.tatashin@oracle.com> | 2017-05-31 18:25:23 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-06-14 14:16:20 +0300 |
| commit | 3e557fd99a222570750a9269ac17372f4da07c8f (patch) | |
| tree | e78fe25599eff584eafaa4d7aa74e1c3821beb0e /arch/sparc/mm/init_64.c | |
| parent | 7e5551fbb86424aa64ad1be26c87cffc563d2d93 (diff) | |
| download | linux-3e557fd99a222570750a9269ac17372f4da07c8f.tar.xz | |
sparc64: add per-cpu mm of secondary contexts
[ Upstream commit 7a5b4bbf49fe86ce77488a70c5dccfe2d50d7a2d ]
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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/sparc/mm/init_64.c')
| -rw-r--r-- | arch/sparc/mm/init_64.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/sparc/mm/init_64.c b/arch/sparc/mm/init_64.c index d189babf5445..d11e907a8932 100644 --- a/arch/sparc/mm/init_64.c +++ b/arch/sparc/mm/init_64.c @@ -660,6 +660,7 @@ 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. |