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fileobj/shmobj: release pages correctly according to dynamic page frame management

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This commit is contained in:
Balazs Gerofi
2016-09-13 00:05:51 -04:00
parent 8eb3bf3559
commit f4db8b96de
2 changed files with 25 additions and 1 deletions
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14
kernel/fileobj.c
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@ -258,6 +258,7 @@ static void fileobj_release(struct memobj *memobj)
/* zap page_list */
for (;;) {
struct page *page;
void *page_va;
int count;
page = page_list_first(obj);
@ -265,6 +266,17 @@ static void fileobj_release(struct memobj *memobj)
break;
}
page_list_remove(obj, page);
page_va = phys_to_virt(page_to_phys(page));
if (ihk_atomic_read(&page->count) != 1) {
kprintf("%s: WARNING: page count for phys 0x%lx is invalid\n",
__FUNCTION__, page->phys);
}
if (page_unmap(page)) {
ihk_mc_free_pages(page_va, 1);
}
#if 0
count = ihk_atomic_sub_return(1, &page->count);
if (!((page->mode == PM_WILL_PAGEIO)
@ -281,7 +293,7 @@ static void fileobj_release(struct memobj *memobj)
}
page->mode = PM_NONE;
ihk_mc_free_pages(phys_to_virt(page_to_phys(page)), 1);
#endif
}
obj_list_remove(free_obj);
ihk_mc_spinlock_unlock_noirq(&fileobj_list_lock);