Files
mop3/kernel/proc/mem.c
2026-01-18 20:50:45 +01:00

34 lines
791 B
C

#include <libk/std.h>
#include <mm/pmm.h>
#include <proc/mem.h>
#include <proc/proc.h>
#include <proc/resource.h>
#include <sync/spin_lock.h>
bool proc_create_resource_mem (struct proc_resource_mem* mem, struct proc_resource_mem_init* init) {
if (init->pages == 0)
return false;
if (init->managed) {
mem->paddr = init->paddr;
mem->managed = true;
} else {
uintptr_t paddr = pmm_alloc (init->pages);
if (paddr == PMM_ALLOC_ERR)
return false;
mem->paddr = paddr;
mem->managed = false;
}
mem->pages = mem->alive_pages = init->pages;
return true;
}
void proc_cleanup_resource_mem (struct proc* proc, struct proc_resource* resource) {
(void)proc;
if (!resource->u.mem.managed)
pmm_free (resource->u.mem.paddr, resource->u.mem.pages);
}