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vmmcache: fix page address passed to pmm_release

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Matheus
2024-05-27 22:01:52 -03:00
parent 5562f078fa
commit f29a4cc321
1 changed files with 5 additions and 3 deletions
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kernel-src/mm/vmmcache.c
+5 -3
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@@ -119,12 +119,14 @@ int vmmcache_getpage(vnode_t *vnode, uintmax_t offset, page_t **res) {
pmm_release(pmm_getpageaddress(newpage));
// wait for page to be ready
while ((page->flags & (PAGE_FLAGS_READY | PAGE_FLAGS_ERROR)) == 0)
while ((page->flags & (PAGE_FLAGS_READY | PAGE_FLAGS_ERROR)) == 0) {
arch_e9_puts("waiting for ready page\n");
sched_yield(); // TODO proper sleeping mechanism here
}
if (page->flags & PAGE_FLAGS_ERROR) {
// the thread handling the page in failed to read it, we should retry it and see whats up
pmm_release((page_t *)page);
pmm_release(pmm_getpageaddress((page_t *)page));
goto retry_err;
}
@@ -169,7 +171,7 @@ int vmmcache_getpage(vnode_t *vnode, uintmax_t offset, page_t **res) {
newpage->offset = 0;
RELEASE_LOCK();
pmm_release(newpage);
pmm_release(pmm_getpageaddress(newpage));
return error;
}