diff options
| author | Kimplul <kimi.h.kuparinen@gmail.com> | 2022-04-24 13:54:41 +0300 |
|---|---|---|
| committer | Kimplul <kimi.h.kuparinen@gmail.com> | 2022-04-24 13:54:41 +0300 |
| commit | be3696bd5853819212b1240751efd8d85f282c68 (patch) | |
| tree | fd58279b90ce82c073c6f8d9a929ceb00bec5703 /common/mem_regions.c | |
| parent | d4c420689b1872f6fb22f421dfd27704ee94951a (diff) | |
| download | kmi-be3696bd5853819212b1240751efd8d85f282c68.tar.gz kmi-be3696bd5853819212b1240751efd8d85f282c68.zip | |
start initial irq handling
+ Still lots todo, and I'm not entirely sure how I should handle program
space switches (mainly since the kernel uses the process' stack, maybe
it shouldn't?)
Diffstat (limited to 'common/mem_regions.c')
| -rw-r--r-- | common/mem_regions.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/common/mem_regions.c b/common/mem_regions.c index e994b0e..bbd9a3b 100644 --- a/common/mem_regions.c +++ b/common/mem_regions.c @@ -291,8 +291,11 @@ static vm_t __partition_region(struct mem_region_root *r, struct mem_region *m, * fs server */ vm_t alloc_region(struct mem_region_root *r, size_t size, size_t *actual_size) { - *actual_size = align_up(size, BASE_PAGE_SIZE); - size_t pages = __page(*actual_size); + size_t asize = align_up(size, BASE_PAGE_SIZE); + if (actual_size) + *actual_size = asize; + + size_t pages = __page(asize); /* find best fitting, alignment etc. */ size_t align = 0; |