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mmap()/stack/heap: follow user requested NUMA policy

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This commit is contained in:
Balazs Gerofi
2016-12-31 17:32:51 +09:00
parent e3f0662130
commit 5bac38ce8b
2 changed files with 11 additions and 6 deletions
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8
kernel/syscall.c
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@@ -1321,15 +1321,15 @@ do_mmap(const intptr_t addr0, const size_t len0, const int prot,
npages = len >> PAGE_SHIFT;
/* Small allocations mostly benefit from closest RAM,
* otherwise follow user requested policy */
unsigned long __flag = (len >= 1048576) ? IHK_MC_AP_USER : 0;
unsigned long __flag = (len >= 2097152) ? IHK_MC_AP_USER : 0;
p = ihk_mc_alloc_aligned_pages(npages, p2align,
IHK_MC_AP_NOWAIT | __flag);
if (p == NULL) {
ekprintf("%s: warning: failed to allocate %d contiguous pages"
" (pgshift: %d), enabling demand paging\n",
dkprintf("%s: warning: failed to allocate %d contiguous pages "
" (bytes: %lu, pgshift: %d), enabling demand paging\n",
__FUNCTION__,
npages, p2align);
npages, npages * PAGE_SIZE, p2align);
/* Give demand paging a chance */
vrflags |= VR_DEMAND_PAGING;