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| author | Chris Metcalf <cmetcalf@tilera.com> | 2010-10-14 14:47:35 -0400 |
|---|---|---|
| committer | Chris Metcalf <cmetcalf@tilera.com> | 2010-10-14 14:47:35 -0400 |
| commit | 77d233036ea886398770f208aa22235acf0d011c (patch) | |
| tree | f3edb38ea286885b65cd1e615fddb796d0799c6a /arch/tile | |
| parent | d6f0f22c3c409f9ed88e64f881f8308730be76f0 (diff) | |
| download | lwn-77d233036ea886398770f208aa22235acf0d011c.tar.gz lwn-77d233036ea886398770f208aa22235acf0d011c.zip | |
arch/tile: Add a warning if we try to allocate too much vmalloc memory.
Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
Diffstat (limited to 'arch/tile')
| -rw-r--r-- | arch/tile/kernel/setup.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/tile/kernel/setup.c b/arch/tile/kernel/setup.c index e7d54c73d5c1..c1a697e68546 100644 --- a/arch/tile/kernel/setup.c +++ b/arch/tile/kernel/setup.c @@ -1334,6 +1334,10 @@ static void __init pcpu_fc_populate_pte(unsigned long addr) pte_t *pte; BUG_ON(pgd_addr_invalid(addr)); + if (addr < VMALLOC_START || addr >= VMALLOC_END) + panic("PCPU addr %#lx outside vmalloc range %#lx..%#lx;" + " try increasing CONFIG_VMALLOC_RESERVE\n", + addr, VMALLOC_START, VMALLOC_END); pgd = swapper_pg_dir + pgd_index(addr); pud = pud_offset(pgd, addr); |