Bump pseudofs size limit from 128kB to 1MB. The old limit could result
in process' memory maps being truncated. PR: 237883 Submitted by: dchagin MFC after: 2 weeks Differential Revision: https://reviews.freebsd.org/D20575
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svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=366748
@ -68,6 +68,8 @@ __FBSDID("$FreeBSD$");
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KASSERT((pn)->pn_type == pfstype_symlink, \
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("%s(): VLNK vnode refers to non-link pfs_node", __func__))
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#define PFS_MAXBUFSIZ 1024 * 1024
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/*
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* Returns the fileno, adjusted for target pid
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*/
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@ -677,8 +679,8 @@ pfs_read(struct vop_read_args *va)
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goto ret;
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}
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buflen = uio->uio_offset + uio->uio_resid;
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if (buflen > MAXPHYS)
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buflen = MAXPHYS;
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if (buflen > PFS_MAXBUFSIZ)
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buflen = PFS_MAXBUFSIZ;
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sb = sbuf_new(sb, NULL, buflen + 1, 0);
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if (sb == NULL) {
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