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| author | Kimplul <kimi.h.kuparinen@gmail.com> | 2024-08-30 19:20:21 +0300 |
|---|---|---|
| committer | Kimplul <kimi.h.kuparinen@gmail.com> | 2024-08-30 19:20:21 +0300 |
| commit | 314bca3dc19a864c76153bfcd5a58be8c40000f9 (patch) | |
| tree | 9aba30284fce66e149a7472adea1cb4037e49463 /src/regions.c | |
| parent | 1a2e1fff7ce4b8fd8db46549d81e71e76b842da3 (diff) | |
| download | kmi-314bca3dc19a864c76153bfcd5a58be8c40000f9.tar.gz kmi-314bca3dc19a864c76153bfcd5a58be8c40000f9.zip | |
improvements to shared memory handling
+ Now each shared region is reference counter (technically each region
is refernce counted, private regions just have a count of 1).
Also, syscalls that touch the TLB get flushed, but should probably
look into where else this flushing might be needed.
Diffstat (limited to 'src/regions.c')
| -rw-r--r-- | src/regions.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/regions.c b/src/regions.c index d5f431d..2db1a91 100644 --- a/src/regions.c +++ b/src/regions.c @@ -440,6 +440,9 @@ static vm_t __partition_region(struct mem_region_root *r, struct mem_region *m, m->start = start; m->flags = flags; m->pid = pid; + if (m->pid == 0) + m->refcount = 1; + mark_region_used(m->flags); __insert_used_region(r, m); return __addr(start); |