diff options
Diffstat (limited to 'src/kernel/ipc/shm.c')
| -rw-r--r-- | src/kernel/ipc/shm.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/src/kernel/ipc/shm.c b/src/kernel/ipc/shm.c index 1cdacfb..e760a0f 100644 --- a/src/kernel/ipc/shm.c +++ b/src/kernel/ipc/shm.c @@ -2,6 +2,7 @@ #include <mem/mem.h> #include <mem/seg.h> #include <task/task.h> +#include <core/sys.h> struct segment* shmseg_make(size_t len, struct process* owner) { struct shmseg *ss = kmalloc(sizeof(struct shmseg)); @@ -29,8 +30,9 @@ struct segment_map *shmseg_map(struct segment *seg, struct page_directory *paged void shmseg_unmap(struct segment_map *sm) { size_t i; - for (i = sm->start; i < sm->start + sm->len; i += 0x1000) { - page_unmap(pagedir_getPage(sm->pagedir, i, 0)); + for (i = 0; i < sm->len; i += 0x1000) { + struct page *page = pagedir_getPage(sm->pagedir, sm->start + i, 0); + if (page != 0) page_unmap(page); } } |