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tcg: Fold CPUTLBWindow into CPUTLBDesc

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Both structures are allocated once per mmu_idx.
There is no reason for them to be separate.

Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2019-03-22 08:36:40 -07:00
parent 19735c837a
commit 79e4208506
2 changed files with 16 additions and 25 deletions
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17
include/exec/cpu-defs.h
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@ -127,18 +127,6 @@ typedef struct CPUIOTLBEntry {
MemTxAttrs attrs;
} CPUIOTLBEntry;
/**
* struct CPUTLBWindow
* @begin_ns: host time (in ns) at the beginning of the time window
* @max_entries: maximum number of entries observed in the window
*
* See also: tlb_mmu_resize_locked()
*/
typedef struct CPUTLBWindow {
int64_t begin_ns;
size_t max_entries;
} CPUTLBWindow;
typedef struct CPUTLBDesc {
/*
* Describe a region covering all of the large pages allocated
@ -148,9 +136,12 @@ typedef struct CPUTLBDesc {
*/
target_ulong large_page_addr;
target_ulong large_page_mask;
/* host time (in ns) at the beginning of the time window */
int64_t window_begin_ns;
/* maximum number of entries observed in the window */
size_t window_max_entries;
/* The next index to use in the tlb victim table. */
size_t vindex;
CPUTLBWindow window;
size_t n_used_entries;
} CPUTLBDesc;