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base: bug fix large pages commit code path

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This commit is contained in:
Nikita Smith
2024-10-11 09:32:16 -07:00
parent 4091f5e0c0
commit ab9804860c
1 changed files with 10 additions and 2 deletions
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src/base/base_arena.c
+10 -2
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@@ -103,13 +103,21 @@ arena_push(Arena *arena, U64 size, U64 align)
}
// rjf: commit new pages, if needed
if(current->cmt < pos_pst && !(current->flags & ArenaFlag_LargePages))
if(current->cmt < pos_pst)
{
U64 cmt_pst_aligned = pos_pst + current->cmt_size-1;
cmt_pst_aligned -= cmt_pst_aligned%current->cmt_size;
U64 cmt_pst_clamped = ClampTop(cmt_pst_aligned, current->res);
U64 cmt_size = cmt_pst_clamped - current->cmt;
os_commit((U8 *)current + current->cmt, cmt_size);
U8 *cmt_ptr = (U8 *)current + current->cmt;
if(current->flags & ArenaFlag_LargePages)
{
os_commit_large(cmt_ptr, cmt_size);
}
else
{
os_commit(cmt_ptr, cmt_size);
}
current->cmt = cmt_pst_clamped;
}