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Differential D22884

Update the vm_page.h comment to reflect impending page lock removal.
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Authored by markj on Dec 19 2019, 11:16 PM.
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Reviewers
alc
jeff
kib
dougm
Commits
rS356158: Update the vm_page.h block comment to reflect recent changes.
Summary

Explain the new locking rules for queue state updates.

Diff Detail

Repository
rS FreeBSD src repository - subversion
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Lint Not Applicable
Unit
Tests Not Applicable

Revision Contents
Changeset List

PathSize
head/
sys/
vm/
52 lines

Diff 66068

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head/sys/vm/vm_page.h

Show First 20 Lines • Show All 764 Lines • ▼ Show 20 Lines#endif
if (cio->num_matches >= ionum) { if (cio->num_matches >= ionum) {
error = 0; error = 0;
break; break;
} }
#ifdef PRE7_COMPAT #ifdef PRE7_COMPAT
#ifdef COMPAT_FREEBSD32 #ifdef COMPAT_FREEBSD32
if (cmd == PCIOCGETCONF_OLD32) { if (cmd == PCIOCGETCONF_OLD32) {
memset(&conf_old32, 0,
sizeof(conf_old32));
conf_old32.pc_sel.pc_bus = conf_old32.pc_sel.pc_bus =
dinfo->conf.pc_sel.pc_bus; dinfo->conf.pc_sel.pc_bus;
conf_old32.pc_sel.pc_dev = conf_old32.pc_sel.pc_dev =
dinfo->conf.pc_sel.pc_dev; dinfo->conf.pc_sel.pc_dev;
conf_old32.pc_sel.pc_func = conf_old32.pc_sel.pc_func =
dinfo->conf.pc_sel.pc_func; dinfo->conf.pc_sel.pc_func;
conf_old32.pc_hdr = dinfo->conf.pc_hdr; conf_old32.pc_hdr = dinfo->conf.pc_hdr;
conf_old32.pc_subvendor = conf_old32.pc_subvendor =
Show All 17 Lines#ifdef COMPAT_FREEBSD32
sizeof(conf_old32.pd_name)); sizeof(conf_old32.pd_name));
conf_old32.pd_name[PCI_MAXNAMELEN] = 0; conf_old32.pd_name[PCI_MAXNAMELEN] = 0;
conf_old32.pd_unit = conf_old32.pd_unit =
(uint32_t)dinfo->conf.pd_unit; (uint32_t)dinfo->conf.pd_unit;
confdata = &conf_old32; confdata = &conf_old32;
} else } else
#endif /* COMPAT_FREEBSD32 */ #endif /* COMPAT_FREEBSD32 */
if (cmd == PCIOCGETCONF_OLD) { if (cmd == PCIOCGETCONF_OLD) {
memset(&conf_old, 0, sizeof(conf_old));
conf_old.pc_sel.pc_bus = conf_old.pc_sel.pc_bus =
dinfo->conf.pc_sel.pc_bus; dinfo->conf.pc_sel.pc_bus;
conf_old.pc_sel.pc_dev = conf_old.pc_sel.pc_dev =
dinfo->conf.pc_sel.pc_dev; dinfo->conf.pc_sel.pc_dev;
conf_old.pc_sel.pc_func = conf_old.pc_sel.pc_func =
dinfo->conf.pc_sel.pc_func; dinfo->conf.pc_sel.pc_func;
conf_old.pc_hdr = dinfo->conf.pc_hdr; conf_old.pc_hdr = dinfo->conf.pc_hdr;
conf_old.pc_subvendor = conf_old.pc_subvendor =
▲ Show 20 Lines • Show All 210 Lines • Show Last 20 Lines