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Reformat and increase minimum arena capacity to 4 pages

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Abdelrahman Said
2024-10-06 12:42:12 +01:00
parent 1de3608b1f
commit e9451f10f8
5 changed files with 19 additions and 63 deletions
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24
src/core/mem/arena/mem_arena.c
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@@ -1,5 +1,6 @@
#include "mem_arena.h"
#include "aliases.h"
#include "misc_utils.h"
#include "mem_utils.h"
#include <stdbool.h>
#include <stdlib.h>
@@ -11,7 +12,7 @@
#define DEFAULT_ALIGNMENT (2 * sizeof(void *))
#endif /* ifndef DEFAULT_ALIGNMENT */
#define ARENA_MINIMUM_CAPACITY 1024
#define ARENA_MINIMUM_CAPACITY KB(16) // Allocate minimum of 4 pages
struct arena {
u8 *buf;
@@ -20,19 +21,11 @@ struct arena {
bool committed;
#ifdef WAPP_PLATFORM_WINDOWS
#include "misc_utils.h"
wapp_misc_utils_padding_size(sizeof(u8 *) * 2 + sizeof(u64) + sizeof(bool));
#endif // ifdef WAPP_PLATFORM_WINDOWS
};
/***************************************************************************/ //
////////////////////////////////////////////////////////////////////////////////
////// Arena API definitions
////////////////////////////////////////////////////////////////////////////////
/***************************************************************************/ //
bool wapp_mem_arena_init_custom(Arena **arena, u64 base_capacity,
MemAllocFlags flags, bool zero_buffer) {
bool wapp_mem_arena_init_custom(Arena **arena, u64 base_capacity, MemAllocFlags flags, bool zero_buffer) {
if (!arena || *arena || base_capacity == 0) {
return false;
}
@@ -43,9 +36,7 @@ bool wapp_mem_arena_init_custom(Arena **arena, u64 base_capacity,
return false;
}
u64 arena_capacity = base_capacity >= ARENA_MINIMUM_CAPACITY
? base_capacity
: ARENA_MINIMUM_CAPACITY;
u64 arena_capacity = base_capacity >= ARENA_MINIMUM_CAPACITY ? base_capacity : ARENA_MINIMUM_CAPACITY;
arena_ptr->buf = (u8 *)wapp_mem_util_alloc(NULL, arena_capacity, WAPP_MEM_ACCESS_READ_WRITE, flags,
zero_buffer ? WAPP_MEM_INIT_INITIALISED : WAPP_MEM_INIT_UNINITIALISED);
@@ -82,10 +73,9 @@ void *wapp_mem_arena_alloc_aligned(Arena *arena, u64 size, u64 alignment) {
#ifdef WAPP_PLATFORM_WINDOWS
if (!(arena->committed)) {
output = (u8 *)wapp_mem_util_alloc(
alloc_start, (uptr)(arena->offset) - (uptr)(alloc_start),
WAPP_MEM_ACCESS_READ_WRITE, WAPP_MEM_ALLOC_COMMIT,
WAPP_MEM_INIT_INITIALISED);
output = (u8 *)wapp_mem_util_alloc(alloc_start, (uptr)(arena->offset) - (uptr)(alloc_start),
WAPP_MEM_ACCESS_READ_WRITE, WAPP_MEM_ALLOC_COMMIT,
WAPP_MEM_INIT_INITIALISED);
}
#else
memset(output, 0, size);