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brk(): more forceful heap extension

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Balazs Gerofi
2017-03-06 16:58:11 +09:00
parent e554f4e2f9
commit 0dd2fad33b
4 changed files with 35 additions and 31 deletions
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6
kernel/include/process.h
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@@ -384,7 +384,7 @@ struct vm_regions {
unsigned long vm_start, vm_end;
unsigned long text_start, text_end;
unsigned long data_start, data_end;
unsigned long brk_start, brk_end;
unsigned long brk_start, brk_end, brk_end_allocated;
unsigned long map_start, map_end;
unsigned long stack_start, stack_end;
unsigned long user_start, user_end;
@@ -767,8 +767,8 @@ int init_process_stack(struct thread *thread, struct program_load_desc *pn,
int argc, char **argv,
int envc, char **env);
unsigned long extend_process_region(struct process_vm *vm,
unsigned long start, unsigned long end,
unsigned long address, unsigned long flag);
unsigned long end_allocated,
unsigned long address, unsigned long flag);
extern enum ihk_mc_pt_attribute arch_vrflag_to_ptattr(unsigned long flag, uint64_t fault, pte_t *ptep);
enum ihk_mc_pt_attribute common_vrflag_to_ptattr(unsigned long flag, uint64_t fault, pte_t *ptep);