src/sys/vm/device_pager.c, branch release/5.4.0 FreeBSD source tree https://cgit-dev.freebsd.org/src/atom?h=release%2F5.4.0 2005-01-31T23:27:04Z MFC: /*- and related license changes 2005-01-31T23:27:04Z Warner Losh imp@FreeBSD.org 2005-01-31T23:27:04Z urn:sha1:c9769f3ab5327a99909391e070c143e92ddc43ec In dev_pager_updatefake, m->valid is typically 0 on entry. It 2004-08-04T08:58:58Z Doug Rabson dfr@FreeBSD.org 2004-08-04T08:58:58Z urn:sha1:c413d99c4e1edb7fd040a2745b83bec22db71508 should be set to VM_PAGE_BITS_ALL before returning, to ensure that neither vm_pager_get_pages nor vm_fault calls vm_page_zero_invalid after dev_pager_getpages has returned. Submitted by: tegge Fix a memory leak in the device pager which is exposed by the NVIDIA 2004-07-30T11:09:18Z Doug Rabson dfr@FreeBSD.org 2004-07-30T11:09:18Z urn:sha1:92bab635d359616180771d2d2630d00493bc4cc6 OpenGL driver. Submitted by: nvidia (possibly also tegge) Do the dreaded s/dev_t/struct cdev */ 2004-06-16T09:47:26Z Poul-Henning Kamp phk@FreeBSD.org 2004-06-16T09:47:26Z urn:sha1:89c9c53da05197f657dfe8e0bdda6941a2e9a0d4 Bump __FreeBSD_version accordingly. Push down Giant into vm_pager_get_pages(). The only get pages methods that 2004-04-23T06:10:58Z Alan Cox alc@FreeBSD.org 2004-04-23T06:10:58Z urn:sha1:87aefa499ab823fd345d3454991930aa7568a4f4 require Giant are in the device and vnode pagers. Remove advertising clause from University of California Regent's license, 2004-04-06T20:15:37Z Warner Losh imp@FreeBSD.org 2004-04-06T20:15:37Z urn:sha1:05eb3785e755044e8f30f064b5be4fe1ac788dbd per letter dated July 22, 1999. Approved by: core Simplify the various pager allocation routines by computing the desired 2004-01-04T20:55:15Z Alan Cox alc@FreeBSD.org 2004-01-04T20:55:15Z urn:sha1:2f7af3db57828addd56306981dd2c3ba694f35e3 object size once and assigning that value to a local variable. The addition of a locking assertion to vm_page_zero_invalid() has revealed 2003-10-05T22:23:44Z Alan Cox alc@FreeBSD.org 2003-10-05T22:23:44Z urn:sha1:9aa3d17d376e3cbb7f305ee8033d9485e2d54637 a long-time bug: vm_pager_get_pages() assumes that m[reqpage] contains a valid page upon return from pgo_getpages(). In the case of the device pager this page has been freed and replaced by a fake page. The fake page is properly inserted into the vm object but m[reqpage] is left pointing to a freed page. For now, update m[reqpage] to point to the fake page. Submitted by: tegge - Use the UMA_ZONE_VM flag on the fakepg and object zones to prevent 2003-10-04T14:21:53Z Jeff Roberson jeff@FreeBSD.org 2003-10-04T14:21:53Z urn:sha1:f3c625e47a2d95607558d2577ee26580ed8e9a3a vm recursion and LORs. This may be necessary for other zones created in the vm but this needs to be verified. Use sparse struct initializations for struct pagerops. 2003-08-05T06:51:26Z Poul-Henning Kamp phk@FreeBSD.org 2003-08-05T06:51:26Z urn:sha1:4e6586002df89aa5ef4d86d464a8e91a1ce552fa This makes grepping for which pagers implement which methods easier.