Ksawlii/kernel_samsung_a53x
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Revert "support randomizing the lower bits of brk"

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This reverts commit e3839126e6.
This commit is contained in:
Ksawlii 2024-12-13 19:44:19 +01:00
parent ece840ae37
commit db7496cd5f
1 changed files with 0 additions and 7 deletions
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7
mm/mmap.c
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@ -250,13 +250,6 @@ SYSCALL_DEFINE1(brk, unsigned long, brk)
newbrk = PAGE_ALIGN(brk); newbrk = PAGE_ALIGN(brk);
oldbrk = PAGE_ALIGN(mm->brk); oldbrk = PAGE_ALIGN(mm->brk);
/* properly handle unaligned min_brk as an empty heap */
if (min_brk & ~PAGE_MASK) {
if (brk == min_brk)
newbrk -= PAGE_SIZE;
if (mm->brk == min_brk)
oldbrk -= PAGE_SIZE;
}
if (oldbrk == newbrk) { if (oldbrk == newbrk) {
mm->brk = brk; mm->brk = brk;
goto success; goto success;