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try to continue from walk() failing to allocate a page-table page

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This commit is contained in:
Robert Morris 2019-07-02 11:45:06 -04:00
parent b27f275014
commit f59c1bf1d8
3 changed files with 17 additions and 8 deletions
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4
kernel/defs.h
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@ -185,9 +185,9 @@ pagetable_t uvmcreate(void);
void uvminit(pagetable_t, uchar *, uint);
uint64 uvmalloc(pagetable_t, uint64, uint64);
uint64 uvmdealloc(pagetable_t, uint64, uint64);
int uvmcopy(pagetable_t, pagetable_t, uint64);
int uvmcopy(pagetable_t, pagetable_t, uint64);
void uvmfree(pagetable_t, uint64);
void mappages(pagetable_t, uint64, uint64, uint64, int);
int mappages(pagetable_t, uint64, uint64, uint64, int);
void unmappages(pagetable_t, uint64, uint64, int);
uint64 walkaddr(pagetable_t, uint64);
int copyout(pagetable_t, uint64, char *, uint64);