Skip to content

fix: fix lua allocator memory #148

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
black-ghost-off merged 1 commit into from
Oct 9, 2026
Merged

fix: fix lua allocator memory #148

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
14 changes: 4 additions & 10 deletions src/apps/lua/luarunner.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -115,19 +115,13 @@ AbstractLuaRunnerApp::AbstractLuaRunnerApp(const char* appName) : App(appName),
}

void* lua_smart_alloc(void* ud, void* ptr, size_t osize, size_t nsize) {
// If there will be less than 32 KB of free RAM after reallocating, use PSRAM allocator.
// Prefer PSRAM to keep internal RAM free for WiFi/TLS/DMA; fall back to internal RAM if PSRAM is exhausted.
(void)ud;
(void)osize;
int32_t free_mem = heap_caps_get_free_size(MALLOC_CAP_8BIT);
if (nsize) {
uint32_t caps = MALLOC_CAP_8BIT;
if (free_mem - nsize < 32 * 1024) {
// Less than 32 KB of free RAM after reallocating. Use PSRAM allocator.
caps |= MALLOC_CAP_SPIRAM;
} else {
// More than 32 KB of free RAM after reallocating. Use regular allocator.
}
return heap_caps_realloc(ptr, nsize, caps);
void* newPtr = heap_caps_realloc(ptr, nsize, MALLOC_CAP_SPIRAM | MALLOC_CAP_8BIT);
if (!newPtr) newPtr = heap_caps_realloc(ptr, nsize, MALLOC_CAP_INTERNAL | MALLOC_CAP_8BIT);
return newPtr;
} else {
free(ptr);
return NULL;
Expand Down
Loading