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kernel: mmuptpcheck: use less global memory

This commit is contained in:
Giacomo Tesio 2017-05-31 01:10:18 +02:00
parent 7108477c32
commit 87de13f1e0
1 changed files with 4 additions and 7 deletions
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11
sys/src/kern/amd64/mmu.c
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@ -5,6 +5,7 @@
#include "fns.h"
#include "amd64.h"
#define DO_mmuptpcheck
//#undef DBG
//#define DBG(...) jehanne_print(__VA_ARGS__)
@ -759,19 +760,15 @@ dumpmmuwalk(uintmem addr)
static void
mmuptpcheck(Proc *proc)
{
enum{Tsize = 512};
int lvl, npgs, i;
Mpl pl;
Ptpage *lp, *p, **pgs, *fp;
enum{Tsize = 512};
static Ptpage *pgtab[MACHMAX][Tsize];
static uint32_t idxtab[MACHMAX][Tsize];
uint32_t *idx;
Ptpage *lp, *p, *pgs[Tsize], *fp;
uint32_t idx[Tsize];
if(proc == nil)
return;
pl = splhi();
pgs = pgtab[m->machno];
idx = idxtab[m->machno];
lp = m->pml4;
for(lvl = 3; lvl >= 1; lvl--){
npgs = 0;