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renamed DEFAULT_PAGE_SIZE to PAGE_SIZE

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This commit is contained in:
Carlyle
2026-03-24 16:35:03 -07:00
parent 44b50eab98
commit 7ffbe52995
5 changed files with 12 additions and 11 deletions
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4
core/mem/virtual/arena.odin
View File

@@ -126,11 +126,11 @@ arena_alloc_unguarded :: proc(arena: ^Arena, size: uint, alignment: uint, loc :=
if err == .Out_Of_Memory {
if arena.minimum_block_size == 0 {
arena.minimum_block_size = DEFAULT_ARENA_GROWING_MINIMUM_BLOCK_SIZE
arena.minimum_block_size = mem.align_forward_uint(arena.minimum_block_size, DEFAULT_PAGE_SIZE)
arena.minimum_block_size = mem.align_forward_uint(arena.minimum_block_size, PAGE_SIZE)
}
if arena.default_commit_size == 0 {
arena.default_commit_size = min(DEFAULT_ARENA_GROWING_COMMIT_SIZE, arena.minimum_block_size)
arena.default_commit_size = mem.align_forward_uint(arena.default_commit_size, DEFAULT_PAGE_SIZE)
arena.default_commit_size = mem.align_forward_uint(arena.default_commit_size, PAGE_SIZE)
}
if arena.default_commit_size != 0 {

7
core/mem/virtual/virtual.odin
View File

@@ -6,7 +6,8 @@ import "base:intrinsics"
import "base:runtime"
_ :: runtime
DEFAULT_PAGE_SIZE := uint(4096)
// On platforms where we were able to retrieve a configurable size, we use that value instead.
PAGE_SIZE := uint(4096)
@(init, private)
platform_memory_init :: proc "contextless" () {
@@ -79,7 +80,7 @@ align_formula :: #force_inline proc "contextless" (size, align: uint) -> uint {
@(require_results, no_sanitize_address)
memory_block_alloc :: proc(committed, reserved: uint, alignment: uint = 0, flags: Memory_Block_Flags = {}) -> (block: ^Memory_Block, err: Allocator_Error) {
page_size := DEFAULT_PAGE_SIZE
page_size := PAGE_SIZE
assert(mem.is_power_of_two(uintptr(page_size)))
committed := committed
@@ -144,7 +145,7 @@ alloc_from_memory_block :: proc(block: ^Memory_Block, min_size, alignment: uint,
// TODO(bill): determine a better heuristic for this behaviour
extra_size := max(size, block.committed>>1)
platform_total_commit := base_offset + block.used + extra_size
platform_total_commit = align_formula(platform_total_commit, DEFAULT_PAGE_SIZE)
platform_total_commit = align_formula(platform_total_commit, PAGE_SIZE)
platform_total_commit = min(max(platform_total_commit, default_commit_size), pmblock.reserved)
assert(pmblock.committed <= pmblock.reserved)

4
core/mem/virtual/virtual_linux.odin
View File

@@ -44,9 +44,9 @@ _protect :: proc "contextless" (data: rawptr, size: uint, flags: Protect_Flags)
}
_platform_memory_init :: proc "contextless" () {
DEFAULT_PAGE_SIZE = 4096
PAGE_SIZE = 4096
// is power of two
assert_contextless(DEFAULT_PAGE_SIZE != 0 && (DEFAULT_PAGE_SIZE & (DEFAULT_PAGE_SIZE-1)) == 0)
assert_contextless(PAGE_SIZE != 0 && (PAGE_SIZE & (PAGE_SIZE-1)) == 0)
}
_map_file :: proc "contextless" (fd: uintptr, size: i64, flags: Map_File_Flags) -> (data: []byte, error: Map_File_Error) {

4
core/mem/virtual/virtual_posix.odin
View File

@@ -31,10 +31,10 @@ _protect :: proc "contextless" (data: rawptr, size: uint, flags: Protect_Flags)
_platform_memory_init :: proc "contextless" () {
// NOTE: `posix.PAGESIZE` due to legacy reasons could be wrong so we use `sysconf`.
size := posix.sysconf(._PAGESIZE)
DEFAULT_PAGE_SIZE = uint(max(size, posix.PAGESIZE))
PAGE_SIZE = uint(max(size, posix.PAGESIZE))
// is power of two
assert_contextless(DEFAULT_PAGE_SIZE != 0 && (DEFAULT_PAGE_SIZE & (DEFAULT_PAGE_SIZE-1)) == 0)
assert_contextless(PAGE_SIZE != 0 && (PAGE_SIZE & (PAGE_SIZE-1)) == 0)
}
_map_file :: proc "contextless" (fd: uintptr, size: i64, flags: Map_File_Flags) -> (data: []byte, error: Map_File_Error) {

4
core/mem/virtual/virtual_windows.odin
View File

@@ -151,10 +151,10 @@ _protect :: proc "contextless" (data: rawptr, size: uint, flags: Protect_Flags)
_platform_memory_init :: proc "contextless" () {
sys_info: SYSTEM_INFO
GetSystemInfo(&sys_info)
DEFAULT_PAGE_SIZE = max(DEFAULT_PAGE_SIZE, uint(sys_info.dwPageSize))
PAGE_SIZE = max(PAGE_SIZE, uint(sys_info.dwPageSize))
// is power of two
assert_contextless(DEFAULT_PAGE_SIZE != 0 && (DEFAULT_PAGE_SIZE & (DEFAULT_PAGE_SIZE-1)) == 0)
assert_contextless(PAGE_SIZE != 0 && (PAGE_SIZE & (PAGE_SIZE-1)) == 0)
}