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Remove use of __curbrk.

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This commit is contained in:
Wilco Dijkstra
2025-08-04 12:45:56 +00:00
parent 4b3e65682d
commit 1ee0b771a9
1 changed files with 3 additions and 5 deletions
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8
malloc/malloc.c
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@@ -2646,13 +2646,11 @@ sysmalloc (INTERNAL_SIZE_T nb, mstate av)
previous calls. Otherwise, we correct to page-align below. previous calls. Otherwise, we correct to page-align below.
*/ */
/* Defined in brk.c. */
extern void *__curbrk;
if (__glibc_unlikely (mp_.thp_pagesize != 0)) if (__glibc_unlikely (mp_.thp_pagesize != 0))
{ {
uintptr_t top = ALIGN_UP ((uintptr_t) __curbrk + size, uintptr_t lastbrk = (uintptr_t) MORECORE (0);
mp_.thp_pagesize); uintptr_t top = ALIGN_UP (lastbrk + size, mp_.thp_pagesize);
size = top - (uintptr_t) __curbrk; size = top - lastbrk;
} }
else else
size = ALIGN_UP (size, GLRO(dl_pagesize)); size = ALIGN_UP (size, GLRO(dl_pagesize));