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add memory allocation check

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This commit is contained in:
Tomoki Shirasawa
2013-05-28 12:06:41 +09:00
parent 9354c82ee7
commit bb4caccf98
16 changed files with 260 additions and 105 deletions
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5
lib/include/ihk/mm.h
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@@ -22,6 +22,9 @@ enum ihk_mc_ma_type {
enum ihk_mc_ap_flag {
IHK_MC_AP_FLAG,
IHK_MC_AP_CRITICAL, /* panic on no memory space */
IHK_MC_AP_NOWAIT, /* error return on no memory space */
IHK_MC_AP_WAIT /* wait on no memory space */
};
enum ihk_mc_pt_prepare_flag {
@@ -91,7 +94,7 @@ int ihk_mc_pt_clear_page(page_table_t pt, void *virt);
int ihk_mc_pt_prepare_map(page_table_t pt, void *virt, unsigned long size,
enum ihk_mc_pt_prepare_flag);
struct page_table *ihk_mc_pt_create(void);
struct page_table *ihk_mc_pt_create(enum ihk_mc_ap_flag ap_flag);
void ihk_mc_load_page_table(struct page_table *pt);
int ihk_mc_pt_virt_to_phys(struct page_table *pt,
void *virt, unsigned long *phys);

2
lib/page_alloc.c
View File

@@ -44,7 +44,7 @@ void *__ihk_pagealloc_init(unsigned long start, unsigned long size,
desc = initial;
*pdescsize = descsize;
} else {
desc = (void *)allocate_pages(descsize, 0);
desc = (void *)allocate_pages(descsize, IHK_MC_AP_CRITICAL);
}
if (!desc) {
kprintf("IHK: failed to allocate page-allocator-desc "\