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opcache huge pages: Little fix for FreeBSD

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Calculating the vm entries size beforehand, as we could
possibly miss few entries.

Closes GH-4344.
This commit is contained in:
David Carlier 2019-07-01 14:07:55 +00:00 • committed by Nikita Popov
parent 237f07ea9d
commit 994a01ea43
1 changed files with 1 additions and 1 deletions
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2
ext/opcache/ZendAccelerator.c
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@ -2746,9 +2746,9 @@ static void accel_move_code_to_huge_pages(void)
int mib[4] = {CTL_KERN, KERN_PROC, KERN_PROC_VMMAP, getpid()}; int mib[4] = {CTL_KERN, KERN_PROC, KERN_PROC_VMMAP, getpid()};
long unsigned int huge_page_size = 2 * 1024 * 1024; long unsigned int huge_page_size = 2 * 1024 * 1024;
if(sysctl(mib, 4, NULL, &s, NULL, 0) == 0) { if(sysctl(mib, 4, NULL, &s, NULL, 0) == 0) {
s = s * 4 / 3;
void *addr = mmap(NULL, s * sizeof (struct kinfo_vmentry), PROT_READ | PROT_WRITE, MAP_SHARED | MAP_ANON, -1, 0); void *addr = mmap(NULL, s * sizeof (struct kinfo_vmentry), PROT_READ | PROT_WRITE, MAP_SHARED | MAP_ANON, -1, 0);
if (addr != MAP_FAILED) { if (addr != MAP_FAILED) {
s = s * 4 / 3;
if (sysctl(mib, 4, addr, &s, NULL, 0) == 0) { if (sysctl(mib, 4, addr, &s, NULL, 0) == 0) {
uintptr_t start = (uintptr_t)addr; uintptr_t start = (uintptr_t)addr;
uintptr_t end = start + s; uintptr_t end = start + s;