diff options
| author | Johannes Berg <johannes.berg@intel.com> | 2024-07-02 19:21:20 +0200 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2024-07-03 12:24:48 +0200 |
| commit | e20f9b3c59041d82199e7a622efa4495dade66c5 (patch) | |
| tree | dd4b7e1347755d648f68ecfb4de9a650562f55a7 /arch/um/include/shared/os.h | |
| parent | 5cde6096a4dd114b7dc5ac37a71778ea68507938 (diff) | |
um: add mmap/mremap OS calls
For the upcoming shared-memory time-travel external
optimisations, we need to be able to mmap/mremap.
Add the necessary OS calls.
Link: https://patch.msgid.link/20240702192118.ca4472963638.Ic2da1d3a983fe57340c1b693badfa9c5bd2d8c61@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'arch/um/include/shared/os.h')
| -rw-r--r-- | arch/um/include/shared/os.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/um/include/shared/os.h b/arch/um/include/shared/os.h index fc4091c127c8..d269637adcd6 100644 --- a/arch/um/include/shared/os.h +++ b/arch/um/include/shared/os.h @@ -181,6 +181,8 @@ extern int os_eventfd(unsigned int initval, int flags); extern int os_sendmsg_fds(int fd, const void *buf, unsigned int len, const int *fds, unsigned int fds_num); int os_poll(unsigned int n, const int *fds); +void *os_mmap_rw_shared(int fd, size_t size); +void *os_mremap_rw_shared(void *old_addr, size_t old_size, size_t new_size); /* start_up.c */ extern void os_early_checks(void); |