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pc64: use unsigned long for kmapindex and mmu counts avoiding signed integer division

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This commit is contained in:
cinap_lenrek 2015-07-07 21:13:36 +02:00
parent cd92790c50
commit 63879193e7
2 changed files with 6 additions and 6 deletions
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8
sys/src/9/pc64/dat.h
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@ -141,9 +141,9 @@ struct PMMU
MMU* mmutail; MMU* mmutail;
MMU* kmaphead; MMU* kmaphead;
MMU* kmaptail; MMU* kmaptail;
int kmapcount; ulong kmapcount;
int kmapindex; ulong kmapindex;
int mmucount; ulong mmucount;
}; };
/* /*
@ -182,7 +182,7 @@ struct Mach
u64int mmumap[4]; /* bitmap of pml4 entries for zapping */ u64int mmumap[4]; /* bitmap of pml4 entries for zapping */
MMU* mmufree; /* freelist for MMU structures */ MMU* mmufree; /* freelist for MMU structures */
int mmucount; /* number of MMU structures in freelist */ ulong mmucount; /* number of MMU structures in freelist */
ulong ticks; /* of the clock since boot time */ ulong ticks; /* of the clock since boot time */
Label sched; /* scheduler wakeup */ Label sched; /* scheduler wakeup */

4
sys/src/9/pc64/mmu.c
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@ -27,8 +27,8 @@ static struct {
Lock; Lock;
MMU *free; MMU *free;
int nalloc; ulong nalloc;
int nfree; ulong nfree;
} mmupool; } mmupool;
/* level */ /* level */