mirrors/Astral
1
0
Fork 0
mirror of https://github.com/Mathewnd/Astral.git synced 2026-11-02 15:38:22 +00:00
Code Issues Packages Projects Releases Wiki Activity

mm: properly implement page locking

Browse Source
This commit is contained in:
Matheus
2026-07-08 01:37:12 -03:00
parent af30088c0d
commit 1512b2f3c6
14 changed files with 123 additions and 45 deletions
Download Patch File Download Diff File Expand all files Collapse all files
kernel-src/io/block/vioblk.c
+2 -2
View File
@@ -116,7 +116,7 @@ static int vioblk_rw(vioblkdev_t *blkdev, iovec_iterator_t *iovec_iterator, uint
while (done < count) {
void *page;
size_t page_offset, page_remaining;
err = iovec_iterator_next_page(iovec_iterator, &page_offset, &page_remaining, &page);
err = iovec_iterator_next_page(iovec_iterator, &page_offset, &page_remaining, &page, !write);
if (err)
break;
@@ -133,7 +133,7 @@ static int vioblk_rw(vioblkdev_t *blkdev, iovec_iterator_t *iovec_iterator, uint
vioblk_enqueue(blkdev, header, (void *)((uintptr_t)page + page_offset), PAGE_SIZE, status, write);
mm_release_page(page);
mm_unlock_and_release_page(page);
// if we didnt use the whole space in the page, set the iterator back a bit
size_t diff_between_available_and_used = page_remaining - docount * 512;