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pmm: fix page cache takepage retry memory leak

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Matheus
2024-05-27 22:01:16 -03:00
parent d2527bee92
commit 5562f078fa
1 changed files with 1 additions and 0 deletions
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kernel-src/mm/pmm.c
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@@ -180,6 +180,7 @@ void *pmm_allocpage(int section) {
if (cachepage && vmmcache_takepage(page) == EAGAIN) { if (cachepage && vmmcache_takepage(page) == EAGAIN) {
// someone already got the page from the cache between us holding it and taking it // someone already got the page from the cache between us holding it and taking it
pmm_release(pmm_getpageaddress(page));
page = NULL; page = NULL;
// retry it from the start, as an anonymous page could have been released while the lock was not held // retry it from the start, as an anonymous page could have been released while the lock was not held
goto retry; goto retry;