Eviction Algorithm APIs

Functions
struct z_page_frame *	k_mem_paging_eviction_select (bool *dirty)
void	k_mem_paging_eviction_init (void)

Detailed Description

Eviction algorithm APIs

Function Documentation

k_mem_paging_eviction_init()

void k_mem_paging_eviction_init

(

void

)

#include <include/sys/mem_manage.h>

Initialization function

Called at POST_KERNEL to perform any necessary initialization tasks for the eviction algorithm. k_mem_paging_eviction_select() is guaranteed to never be called until this has returned, and this will only be called once.

k_mem_paging_eviction_select()

struct z_page_frame * k_mem_paging_eviction_select

(

bool *

dirty

)

#include <include/sys/mem_manage.h>

Select a page frame for eviction

The kernel will invoke this to choose a page frame to evict if there are no free page frames.

This function will never be called before the initial k_mem_paging_eviction_init().

This function is invoked with interrupts locked.

Parameters

[out]

dirty

Whether the page to evict is dirty

Returns

The page frame to evict