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VM: allow for 16KB chunk alignment

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This commit is contained in:
Arun Thomas 2012-08-16 23:33:27 +02:00
parent c78b56a9e5
commit fc9b3f9bdd
2 changed files with 4 additions and 0 deletions
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3
servers/vm/alloc.c
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@ -171,6 +171,9 @@ phys_clicks alloc_mem(phys_clicks clicks, u32_t memflags)
if(memflags & PAF_ALIGN64K) {
align_clicks = (64 * 1024) / CLICK_SIZE;
clicks += align_clicks;
} else if(memflags & PAF_ALIGN16K) {
align_clicks = (16 * 1024) / CLICK_SIZE;
clicks += align_clicks;
}
mem = alloc_pages(clicks, memflags, NULL);

1
servers/vm/vm.h
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@ -8,6 +8,7 @@
#define PAF_LOWER16MB 0x08
#define PAF_LOWER1MB 0x10
#define PAF_FIRSTBLOCK 0x20 /* alloc_mem: return first block */
#define PAF_ALIGN16K 0x40 /* Aligned to 16k boundary. */
#define MARK do { if(mark) { printf("%d\n", __LINE__); } } while(0)