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lmb: Rename free_mem to available_mem

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free_mem is a misnomer. We never update it with the free memory for
LMB. Instead, it describes all available memory and is checked against
used_mem to decide whether an area is free or not.

So let's rename this field to better match its usage.

Reviewed-by: Sam Protsenko <semen.protsenko@linaro.org>
Tested-by: Sam Protsenko <semen.protsenko@linaro.org>
Signed-off-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
(cherry picked from commit 400c34db89)
This commit is contained in:
Ilias Apalodimas
2024-12-18 09:02:33 +02:00
committed by Simon Glass
parent 8e54e97f09
commit 8692e10965
4 changed files with 21 additions and 21 deletions
Download Patch File Download Diff File Expand all files Collapse all files

34
lib/lmb.c
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@@ -350,7 +350,7 @@ int io_lmb_setup(struct lmb *io_lmb)
{
int ret;
ret = alist_init(&io_lmb->free_mem, sizeof(struct lmb_region),
ret = alist_init(&io_lmb->available_mem, sizeof(struct lmb_region),
(uint)LMB_ALIST_INITIAL_SIZE);
if (!ret) {
log_debug("Unable to initialise the list for LMB free IOVA\n");
@@ -371,13 +371,13 @@ int io_lmb_setup(struct lmb *io_lmb)
void io_lmb_teardown(struct lmb *io_lmb)
{
alist_uninit(&io_lmb->free_mem);
alist_uninit(&io_lmb->available_mem);
alist_uninit(&io_lmb->used_mem);
}
long io_lmb_add(struct lmb *io_lmb, phys_addr_t base, phys_size_t size)
{
return lmb_add_region_flags(&io_lmb->free_mem, base, size, LMB_NONE);
return lmb_add_region_flags(&io_lmb->available_mem, base, size, LMB_NONE);
}
/* derived and simplified from _lmb_alloc_base() */
@@ -387,9 +387,9 @@ phys_addr_t io_lmb_alloc(struct lmb *io_lmb, phys_size_t size, ulong align)
phys_addr_t base = 0;
phys_addr_t res_base;
struct lmb_region *lmb_used = io_lmb->used_mem.data;
struct lmb_region *lmb_memory = io_lmb->free_mem.data;
struct lmb_region *lmb_memory = io_lmb->available_mem.data;
for (i = io_lmb->free_mem.count - 1; i >= 0; i--) {
for (i = io_lmb->available_mem.count - 1; i >= 0; i--) {
phys_addr_t lmbbase = lmb_memory[i].base;
phys_size_t lmbsize = lmb_memory[i].size;
@@ -512,7 +512,7 @@ static void lmb_dump_region(struct alist *lmb_rgn_lst, char *name)
void lmb_dump_all_force(void)
{
printf("lmb_dump_all:\n");
lmb_dump_region(&lmb.free_mem, "memory");
lmb_dump_region(&lmb.available_mem, "memory");
lmb_dump_region(&lmb.used_mem, "reserved");
}
@@ -640,7 +640,7 @@ static long lmb_add_region(struct alist *lmb_rgn_lst, phys_addr_t base,
long lmb_add(phys_addr_t base, phys_size_t size)
{
long ret;
struct alist *lmb_rgn_lst = &lmb.free_mem;
struct alist *lmb_rgn_lst = &lmb.available_mem;
ret = lmb_add_region(lmb_rgn_lst, base, size);
if (ret)
@@ -686,9 +686,9 @@ static phys_addr_t _lmb_alloc_base(phys_size_t size, ulong align,
phys_addr_t base = 0;
phys_addr_t res_base;
struct lmb_region *lmb_used = lmb.used_mem.data;
struct lmb_region *lmb_memory = lmb.free_mem.data;
struct lmb_region *lmb_memory = lmb.available_mem.data;
for (i = lmb.free_mem.count - 1; i >= 0; i--) {
for (i = lmb.available_mem.count - 1; i >= 0; i--) {
phys_addr_t lmbbase = lmb_memory[i].base;
phys_size_t lmbsize = lmb_memory[i].size;
@@ -769,10 +769,10 @@ static phys_addr_t _lmb_alloc_addr(phys_addr_t base, phys_size_t size,
u32 flags)
{
long rgn;
struct lmb_region *lmb_memory = lmb.free_mem.data;
struct lmb_region *lmb_memory = lmb.available_mem.data;
/* Check if the requested address is in one of the memory regions */
rgn = lmb_overlaps_region(&lmb.free_mem, base, size);
rgn = lmb_overlaps_region(&lmb.available_mem, base, size);
if (rgn >= 0) {
/*
* Check if the requested end address is in the same memory
@@ -811,10 +811,10 @@ phys_size_t lmb_get_free_size(phys_addr_t addr)
int i;
long rgn;
struct lmb_region *lmb_used = lmb.used_mem.data;
struct lmb_region *lmb_memory = lmb.free_mem.data;
struct lmb_region *lmb_memory = lmb.available_mem.data;
/* check if the requested address is in the memory regions */
rgn = lmb_overlaps_region(&lmb.free_mem, addr, 1);
rgn = lmb_overlaps_region(&lmb.available_mem, addr, 1);
if (rgn >= 0) {
for (i = 0; i < lmb.used_mem.count; i++) {
if (addr < lmb_used[i].base) {
@@ -828,8 +828,8 @@ phys_size_t lmb_get_free_size(phys_addr_t addr)
}
}
/* if we come here: no reserved ranges above requested addr */
return lmb_memory[lmb.free_mem.count - 1].base +
lmb_memory[lmb.free_mem.count - 1].size - addr;
return lmb_memory[lmb.available_mem.count - 1].base +
lmb_memory[lmb.available_mem.count - 1].size - addr;
}
return 0;
}
@@ -852,7 +852,7 @@ static int lmb_setup(bool test)
{
bool ret;
ret = alist_init(&lmb.free_mem, sizeof(struct lmb_region),
ret = alist_init(&lmb.available_mem, sizeof(struct lmb_region),
(uint)LMB_ALIST_INITIAL_SIZE);
if (!ret) {
log_debug("Unable to initialise the list for LMB free memory\n");
@@ -912,7 +912,7 @@ int lmb_push(struct lmb *store)
void lmb_pop(struct lmb *store)
{
alist_uninit(&lmb.free_mem);
alist_uninit(&lmb.available_mem);
alist_uninit(&lmb.used_mem);
lmb = *store;
}