diff options
| author | Hugh Dickins <hugh@veritas.com> | 2005-05-16 21:53:09 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-05-17 07:59:10 -0700 |
| commit | 64d13c00cf1f7c3d2c1ff449e2a0500ab568d319 (patch) | |
| tree | 864ac985be04cc9434ffc63a7357043c2b46b8a6 | |
| parent | baae956100334ffbd101eea5eeea9a5ac9cf3abd (diff) | |
| download | lwn-64d13c00cf1f7c3d2c1ff449e2a0500ab568d319.tar.gz lwn-64d13c00cf1f7c3d2c1ff449e2a0500ab568d319.zip | |
[PATCH] fix impossible VmallocChunk
VmallocTotal: 34359738367 kB
VmallocUsed: 266288 kB
VmallocChunk: 18014366299193295 kB
is unsettling - x86_64 and some other architectures keep a separate address
range for modules in vmalloc's vmlist, which /proc/meminfo should pass over.
Signed-off-by: Hugh Dickins <hugh@veritas.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| -rw-r--r-- | fs/proc/mmu.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/fs/proc/mmu.c b/fs/proc/mmu.c index a7041038ad56..25d2d9c6e329 100644 --- a/fs/proc/mmu.c +++ b/fs/proc/mmu.c @@ -50,13 +50,23 @@ void get_vmalloc_info(struct vmalloc_info *vmi) read_lock(&vmlist_lock); for (vma = vmlist; vma; vma = vma->next) { + unsigned long addr = (unsigned long) vma->addr; + + /* + * Some archs keep another range for modules in vmlist + */ + if (addr < VMALLOC_START) + continue; + if (addr >= VMALLOC_END) + break; + vmi->used += vma->size; - free_area_size = (unsigned long) vma->addr - prev_end; + free_area_size = addr - prev_end; if (vmi->largest_chunk < free_area_size) vmi->largest_chunk = free_area_size; - prev_end = vma->size + (unsigned long) vma->addr; + prev_end = vma->size + addr; } if (VMALLOC_END - prev_end > vmi->largest_chunk) |