DRM drivers set some pointers to `ZERO_SIZE_PTR` directly (without allocating anything), to treat pointers which were "initialized" (set to `ZERO_SIZE_PTR`) with no memory allocation like really allocated pointers. NULL isn't used because it represents a third state. Reviewed by: emaste, manu Approved by: emaste, manu Differential Revision: https://reviews.freebsd.org/D39055 |
||
---|---|---|
.. | ||
freebsd32 | ||
ia32 | ||
lindebugfs | ||
linprocfs | ||
linsysfs | ||
linux | ||
linuxkpi | ||
x86bios |