Imbus/xv6-riscv-kernel
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Simplify allocuvm/deallocuvm to operate in a contiguous memory model. This makes their interface match up better with proc->sz and also simplifies the callers (it even gets the main body of exec on one page).

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This commit is contained in:
Austin Clements 2010-09-02 18:28:36 -04:00
parent d49d31381d
commit 79cd8b3eed
4 changed files with 44 additions and 51 deletions
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4
defs.h
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@ -157,8 +157,8 @@ void kvmalloc(void);
void vmenable(void);
pde_t* setupkvm(void);
char* uva2ka(pde_t*, char*);
int allocuvm(pde_t*, char*, uint);
int deallocuvm(pde_t *pgdir, char *addr, uint sz);
int allocuvm(pde_t*, uint, uint);
int deallocuvm(pde_t*, uint, uint);
void freevm(pde_t*);
void inituvm(pde_t*, char*, uint);
int loaduvm(pde_t*, char*, struct inode *ip, uint, uint);