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Make the end variable be really at the end of bss, and delete + 4096 in freerange()

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Frans Kaashoek 2019-09-08 15:18:38 -04:00
parent e5b7fa62cc
commit 035cca95fe
2 changed files with 2 additions and 3 deletions
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1
kernel/kalloc.c
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@ -35,7 +35,6 @@ freerange(void *pa_start, void *pa_end)
{ {
char *p; char *p;
p = (char*)PGROUNDUP((uint64)pa_start); p = (char*)PGROUNDUP((uint64)pa_start);
p += 4096; // XXX I can't get kernel.ld to place end beyond the last bss symbol.
for(; p + PGSIZE <= (char*)pa_end; p += PGSIZE) for(; p + PGSIZE <= (char*)pa_end; p += PGSIZE)
kfree(p); kfree(p);
} }

2
kernel/kernel.ld
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@ -26,7 +26,7 @@ SECTIONS
} }
.bss : { .bss : {
*(.bss) *(.bss)
*(.sbss*)
PROVIDE(end = .); PROVIDE(end = .);
} }
} }