minhtrannhat/os161
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Change free to used in new coremap function.

Browse Source
This commit is contained in:
Geoffrey Challen 2016-03-05 11:00:48 -05:00
parent a367007689
commit a07a4b75c1
3 changed files with 6 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
kern/arch/mips/vm/dumbvm.c
View File

@ -128,7 +128,7 @@ free_kpages(vaddr_t addr)
unsigned
int
coremap_free_bytes() {
coremap_used_bytes() {
/* dumbvm doesn't track page allocations. Return 0 so that khu works. */

9
kern/include/vm.h
View File

@ -56,12 +56,11 @@ vaddr_t alloc_kpages(unsigned npages);
void free_kpages(vaddr_t addr);
/*
* Return amount of free memory (in bytes) available in unallocated coremap pages.
* If there are ongoing allocations, this value could change after it is
* returned to the caller. But it should have been correct at some point in
* time.
* Return amount of memory (in bytes) used by allocated coremap pages. If
* there are ongoing allocations, this value could change after it is returned
* to the caller. But it should have been correct at some point in time.
*/
unsigned int coremap_free_bytes(void);
unsigned int coremap_used_bytes(void);
/* TLB shootdown handling called from interprocessor_interrupt */
void vm_tlbshootdown_all(void);

2
kern/vm/kmalloc.c
View File

@ -834,7 +834,7 @@ kheap_printused(void)
for (pr = allbase; pr != NULL; pr = pr->next_all) {
total += subpage_stats(pr, true);
}
total += coremap_free_bytes();
total += coremap_used_bytes();
spinlock_release(&kmalloc_spinlock);
snprintf(total_string, sizeof(total_string), "%lu", total);