diff options
| author | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2011-04-20 23:35:42 +0200 |
|---|---|---|
| committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2011-04-20 23:40:16 +0200 |
| commit | 67d4e8403fe12592f99cf6fc51e4f33684899d6b (patch) | |
| tree | c4f8ed13d12ab04e067d396dd3c39b6afeadeb1a /ipc | |
| parent | a44f51203c43bb4306a225506075740cdacaccfa (diff) | |
Warn once when part of the kernel is lacking memory
* kern/printf.h (printf_once): New macro.
* ipc/mach_port.c (mach_port_names, mach_port_get_set_status): Warn when
returning KERN_RESOURCE_SHORTAGE.
* vm/vm_kern.c: Include printf.h.
(kmem_alloc, kmem_realloc, kmem_alloc_wired, kmem_alloc_aligned,
kmem_alloc_pageable): Warn when failing.
* vm/vm_resident.c (vm_page_grab_contiguous_pages): Warn when returning
KERN_RESOURCE_SHORTAGE.
Diffstat (limited to 'ipc')
| -rw-r--r-- | ipc/mach_port.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/ipc/mach_port.c b/ipc/mach_port.c index 122d5d9..904fd14 100644 --- a/ipc/mach_port.c +++ b/ipc/mach_port.c @@ -205,11 +205,14 @@ mach_port_names( size = size_needed; kr = vm_allocate(ipc_kernel_map, &addr1, size, TRUE); - if (kr != KERN_SUCCESS) + if (kr != KERN_SUCCESS) { + printf_once("no more room in ipc_kernel_map\n"); return KERN_RESOURCE_SHORTAGE; + } kr = vm_allocate(ipc_kernel_map, &addr2, size, TRUE); if (kr != KERN_SUCCESS) { + printf_once("no more room in ipc_kernel_map\n"); kmem_free(ipc_kernel_map, addr1, size); return KERN_RESOURCE_SHORTAGE; } @@ -982,8 +985,10 @@ mach_port_get_set_status( ipc_pset_t pset; kr = vm_allocate(ipc_kernel_map, &addr, size, TRUE); - if (kr != KERN_SUCCESS) + if (kr != KERN_SUCCESS) { + printf_once("no more room in ipc_kernel_map\n"); return KERN_RESOURCE_SHORTAGE; + } /* can't fault while we hold locks */ |