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util/range_remap: use child memory context for list

Browse source 
This will allow us to easily free the list when we switch to
a sorted array in a following patch

Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/37754>
This commit is contained in:
Timothy Arceri 2025-10-14 09:42:47 +11:00 • committed by Marge Bot
parent 9536de6eac
commit f8326657f8
2 changed files with 7 additions and 4 deletions
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9
src/util/u_range_remap.c
View file

@ -95,7 +95,7 @@ util_range_insert_remap(unsigned start, unsigned end,
struct list_head *r_list = &r_remap->r_list;
struct list_range_entry *lre = NULL;
if (list_is_empty(r_list)) {
lre = rzalloc(r_list, struct list_range_entry);
lre = rzalloc(r_remap->list_mem_ctx, struct list_range_entry);
list_addtail(&lre->node, r_list);
goto insert_end;
}
@ -104,7 +104,7 @@ util_range_insert_remap(unsigned start, unsigned end,
struct list_range_entry *last_entry =
list_last_entry(r_list, struct list_range_entry, node);
if (last_entry->entry.end < start) {
lre = rzalloc(r_list, struct list_range_entry);
lre = rzalloc(r_remap->list_mem_ctx, struct list_range_entry);
list_addtail(&lre->node, r_list);
goto insert_end;
}
@ -125,7 +125,7 @@ util_range_insert_remap(unsigned start, unsigned end,
while (low <= high) {
if (end < mid_entry->entry.start) {
if (low == high || mid == low) {
lre = rzalloc(r_list, struct list_range_entry);
lre = rzalloc(r_remap->list_mem_ctx, struct list_range_entry);
list_addtail(&lre->node, &mid_entry->node); /* insert before mid */
goto insert_end;
}
@ -139,7 +139,7 @@ util_range_insert_remap(unsigned start, unsigned end,
}
} else if (start > mid_entry->entry.end) {
if (low == high || mid == high) {
lre = rzalloc(r_list, struct list_range_entry);
lre = rzalloc(r_remap->list_mem_ctx, struct list_range_entry);
list_add(&lre->node, &mid_entry->node); /* insert after mid */
goto insert_end;
}
@ -183,6 +183,7 @@ util_create_range_remap()
{
struct range_remap *r = rzalloc(NULL, struct range_remap);
list_inithead(&r->r_list);
r->list_mem_ctx = ralloc_context(r);
return r;
}

2
src/util/u_range_remap.h
View file

@ -30,6 +30,8 @@ extern "C" {
struct range_remap {
/* Linked list of range remap entries */
struct list_head r_list;
void *list_mem_ctx;
};
struct range_entry {