diff options
| -rw-r--r-- | ipc/mach_port.c | 9 | ||||
| -rw-r--r-- | kern/printf.h | 9 | ||||
| -rw-r--r-- | vm/vm_kern.c | 9 | ||||
| -rw-r--r-- | vm/vm_resident.c | 2 |
4 files changed, 26 insertions, 3 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 */ diff --git a/kern/printf.h b/kern/printf.h index 1383198..c5effe5 100644 --- a/kern/printf.h +++ b/kern/printf.h @@ -43,6 +43,15 @@ extern int sprintf (char *buf, const char *fmt, ...); extern int printf (const char *fmt, ...); +#define printf_once(fmt, ...) \ + MACRO_BEGIN \ + static int __once = 0; \ + if (!__once) { \ + printf(fmt, ##__VA_ARGS__); \ + __once = 1; \ + } \ + MACRO_END + extern int indent; extern void iprintf (const char *fmt, ...); diff --git a/vm/vm_kern.c b/vm/vm_kern.c index dc7f7e4..cfa33ff 100644 --- a/vm/vm_kern.c +++ b/vm/vm_kern.c @@ -43,6 +43,7 @@ #include <kern/debug.h> #include <kern/lock.h> #include <kern/thread.h> +#include <kern/printf.h> #include <vm/pmap.h> #include <vm/vm_fault.h> #include <vm/vm_kern.h> @@ -387,6 +388,7 @@ kmem_alloc(map, addrp, size) kr = vm_map_find_entry(map, &addr, size, (vm_offset_t) 0, VM_OBJECT_NULL, &entry); if (kr != KERN_SUCCESS) { + printf_once("no more room for kmem_alloc in %p\n", map); vm_map_unlock(map); vm_object_deallocate(object); return kr; @@ -453,6 +455,7 @@ kern_return_t kmem_realloc(map, oldaddr, oldsize, newaddrp, newsize) VM_OBJECT_NULL, &newentry); if (kr != KERN_SUCCESS) { vm_map_unlock(map); + printf_once("no more room for kmem_realloc in %p\n", map); return kr; } @@ -537,6 +540,7 @@ kmem_alloc_wired(map, addrp, size) kr = vm_map_find_entry(map, &addr, size, (vm_offset_t) 0, kernel_object, &entry); if (kr != KERN_SUCCESS) { + printf_once("no more room for kmem_alloc_wired in %p\n", map); vm_map_unlock(map); return kr; } @@ -611,6 +615,7 @@ kmem_alloc_aligned(map, addrp, size) kr = vm_map_find_entry(map, &addr, size, size - 1, kernel_object, &entry); if (kr != KERN_SUCCESS) { + printf_once("no more rooom for kmem_alloc_aligned in %p\n", map); vm_map_unlock(map); return kr; } @@ -672,8 +677,10 @@ kmem_alloc_pageable(map, addrp, size) (vm_offset_t) 0, TRUE, VM_OBJECT_NULL, (vm_offset_t) 0, FALSE, VM_PROT_DEFAULT, VM_PROT_ALL, VM_INHERIT_DEFAULT); - if (kr != KERN_SUCCESS) + if (kr != KERN_SUCCESS) { + printf_once("no more room for kmem_alloc_pageable in %p\n", map); return kr; + } *addrp = addr; return KERN_SUCCESS; diff --git a/vm/vm_resident.c b/vm/vm_resident.c index b23e0f3..a633498 100644 --- a/vm/vm_resident.c +++ b/vm/vm_resident.c @@ -976,6 +976,7 @@ vm_page_grab_contiguous_pages( if ((vm_page_free_count < vm_page_free_reserved) || (vm_page_external_count >= vm_page_external_limit)) { + printf_once("no more room for vm_page_grab_contiguous_pages"); simple_unlock(&vm_page_queue_free_lock); return KERN_RESOURCE_SHORTAGE; } @@ -1064,6 +1065,7 @@ count_ones: */ simple_unlock(&vm_page_queue_free_lock); + printf_once("no contiguous room for vm_page_grab_contiguous_pages"); ret = KERN_RESOURCE_SHORTAGE; goto out; |